WO2024255854A1 - 一种聚乙二醇药物及其制备方法和应用 - Google Patents

一种聚乙二醇药物及其制备方法和应用 Download PDF

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WO2024255854A1
WO2024255854A1 PCT/CN2024/099265 CN2024099265W WO2024255854A1 WO 2024255854 A1 WO2024255854 A1 WO 2024255854A1 CN 2024099265 W CN2024099265 W CN 2024099265W WO 2024255854 A1 WO2024255854 A1 WO 2024255854A1
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compound
mmol
reaction
pharmaceutically acceptable
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English (en)
French (fr)
Inventor
李高全
刘念
梅刚
彭永陈
高扬
彭媛媛
陈惠渝
娄杰
曾下凡
李淼
刘静
胡茜
尹仪枫
杨帅
吴永秦
官盛
陈龙舞
许夏
张鑫利
张庆蒙
石曦辰
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Chongqing Upgra Biotechnology Co Ltd
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Chongqing Upgra Biotechnology Co Ltd
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Priority to CN202480039550.6A priority Critical patent/CN121368610A/zh
Priority to EP24822802.5A priority patent/EP4729561A1/en
Publication of WO2024255854A1 publication Critical patent/WO2024255854A1/zh
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/10Alpha-amino-carboxylic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/56Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
    • A61K47/59Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes
    • A61K47/60Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes the organic macromolecular compound being a polyoxyalkylene oligomer, polymer or dendrimer, e.g. PEG, PPG, PEO or polyglycerol
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/62Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
    • A61K47/64Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/329Polymers modified by chemical after-treatment with organic compounds
    • C08G65/333Polymers modified by chemical after-treatment with organic compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/40Polyamides containing oxygen in the form of ether groups

Definitions

  • the present invention relates to the field of pharmaceutical chemistry, and in particular to polyethylene glycol drugs and preparation methods and applications thereof.
  • polyethylene glycol drugs Over the past 30 years, in the field of polyethylene glycol drugs, the US FDA has approved 30 drugs for sale on the market, and more than 40 new clinical drugs are in the first, second and third phase clinical trials and NDA process, half of which are polyethylene glycol small molecule drugs.
  • Polyethylene glycol (PEG) is undoubtedly the most successful artificial polymer carrier in clinical practice, the so-called "gold standard” carrier, and polyethylene glycol drugs are shifting from polyethylene glycol macromolecule drugs to polyethylene glycol small molecule drugs, and small molecule drugs account for 80-90% of the drug market.
  • the present application designs methods for synthesizing various compounds such as polyethylene glycol-peptide-small molecule drugs, active targeting accessories, boron reagents, etc. based on certain fatty polyamines or polyhydroxy core structures and synthesizes these compounds. Biological tests show that these compounds have significant therapeutic effects.
  • the present application provides a compound of formula I or a pharmaceutically acceptable salt thereof,
  • M is a hydrocarbon group containing two or more (e.g., 2, 3, 4, 5 or 6) identical or different heteroatoms (e.g., N, O or S), and M is connected to L 1 and L 1 ' through the heteroatoms;
  • Each L1 is independently selected from End 1 is connected to M, and end 2 is connected to L2 ;
  • Each L 1 ' is independently selected from 1 end is connected to M, and 2 end is connected to L 3 ; and L 1 and L 1 'are different (for example, L 1 is L 1 ' is Or L 1 is L 1 ' is );
  • x1 and x2 are each independently selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 at each occurrence;
  • Each L2 is independently selected from the residues of Lys, Cys, Thr, Ser, Asp or Glu;
  • Each PEG is independently selected from Its number average molecular weight is 5k-10k or 10k-40k, for example, 5k or 10k;
  • Each L3 is independently a bond or 1 end is connected to L 2 or L 1 ', and 2 ends are connected to L 4 , wherein each L 31 and L 32 is independently selected from a bond and -NH(CH 2 ) x3 C(O)-, x 3 is selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10,
  • a 1 is selected from a bond, an amino acid residue or a derivative thereof, or a polypeptide fragment consisting of more than 2 amino acids or a derivative thereof, and r1 is selected from 1, 2, 3, 4, 5 and 6;
  • Each L 4 is independently a bond or The first end is connected to L3 , and the second end is connected to L5 , wherein each L41 and L42 are independently selected from a bond, -NH( CH2 ) x4C (O)-, -NH( CH2 ) x4NH- , -NH (( CH2 ) 2O ) x4CH2CH2NH- and -C(O)(CH 2 ) x4 C(O)-, A 2 and A 3 are independently selected from a bond, an amino acid residue or a derivative thereof, or a polypeptide fragment consisting of two or more amino acids or a derivative thereof, and r2 and r3 are independently selected from 1, 2, 3, 4, 5 and 6;
  • L4 and L5 are connected to form Preferably, L4 and L5 are linked to form
  • x4 and x5 are each independently selected at each occurrence from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;
  • Each D is independently selected from the group of cytotoxic drugs, preferably, the cytotoxic drug is selected from microtubule inhibitors, DNA intercalators, DNA topoisomerase inhibitors and RNA polymerase inhibitors; preferably, the cytotoxic drug is selected from PTX (paclitaxel), PCB (pabloxilibu), SN38 (7-ethyl-10-hydroxy-camptothecin), NPB (Niraparib, MK-4827), AXT (Axitinib), LPT (lapatinib), DOX (doxorubicin), Ac-C-PLGLAG-iRGD, folic acid, SB7 (SB-743921), IRN (Irinotecan), sodium dodecahydroborate, PPT-iRGD, 1,2,3,4,5,6,7,8,9,10,11-11-hydro- 12 -thiol dodecaborane BSH (Sodium Mercaptododecaborate ( 10 B)),
  • PTX pac
  • n11 and n12 are independently selected from 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;
  • n21 and n22 is independently selected from 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;
  • n31 and n32 is independently selected from 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;
  • Each of y1 and y2 is independently selected from 1 , 2 , 3, 4, 5, 6, 7, 8, 9 and 10.
  • M is a hydrocarbon group containing two or more (e.g., 2, 3, 4, 5, or 6) identical or different heteroatoms (e.g., N, O, or S), and M is connected to L through the heteroatoms;
  • Each L1 is independently selected from The 1 end is connected to M, and the 2 end is connected to L 2 , wherein x 1 and x 2 are each independently selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;
  • Each L 1 ' is independently selected from The 1st end is connected to M, and the 2nd end is connected to L 3 , wherein x 1 and x 2 are each independently selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10; and L 1 and L 1 'are different;
  • Each L2 is independently selected from the residues of Lys, Cys, Thr, Ser, Asp or Glu;
  • Each PEG is independently selected from Its number average molecular weight is 5k-10k or 10k-40k, for example, 5k or 10k;
  • Each L3 is independently a bond or 1 end is connected to L 2 , and 2 ends are connected to L 4 , wherein each of L 31 , L 32 and L 33 is independently selected from a bond and -NH(CH 2 ) x3 C(O)-, x 3 is selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10,
  • a 1 is selected from a bond, an amino acid residue or a derivative thereof, or a polypeptide fragment consisting of more than 2 amino acids or a derivative thereof, and when A 1 is a polypeptide fragment or a derivative thereof, A 1 is connected to one or more L 32 ;
  • Each L 4 is independently a bond or The 1st end is connected to L3 , and the 2nd end is connected to L5 .
  • L 43 is independently selected from a bond, -NH(CH 2 ) x4 C(O)-, -NH(CH 2 ) x6 NH-, -NH(CH 2 O) x4 CH 2 CH 2 NH-, -C(O)(CH 2 ) x4 C(O)-, x 4 is selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10,
  • a 2 and A 3 are independently selected from a bond, an amino acid residue or a derivative thereof, or a polypeptide fragment consisting of two or more amino acids or a derivative thereof, when A 3 is a polypeptide fragment or a derivative thereof, A 3 is connected to one or more L 42 ;
  • L4 and L5 are connected to form Preferably, L4 and L5 are linked to form
  • Each D is independently selected from a cytotoxic drug group, preferably, the cytotoxic drug is selected from a microtubule inhibitor, a DNA intercalator, a DNA topoisomerase inhibitor and an RNA polymerase inhibitor; preferably, the cytotoxic drug is selected from PTX (paclitaxel), PCB (pabloxilibu), SN38 (7-ethyl-10-hydroxy-camptothecin), NPB (Niraparib, MK-4827), AXT (Axitinib), LPT (lapatinib), DOX (doxorubicin), MI-AH-PLGLAG-iRGD, folic acid, SB7 (SB-743921), IRN (Irinotecan), sodium dodecahydroborate, PPT-iRGD, 1,2,3,4,5,6,7,8,9,10,11-11-hydro- 12 -thiol dodecaborane BSH (Sodium Mercaptododecaborate ( 10 B)),
  • n11 and n12 are independently selected from 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;
  • n21 and n22 are independently selected from 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;
  • n31 and n32 is independently selected from 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10;
  • Each of y1 and y2 is independently selected from 1 , 2 , 3, 4, 5, 6, 7, 8, 9 and 10.
  • M is a C 2-10 hydrocarbon group containing 2 to 4 heteroatoms which may be the same or different.
  • M is a C 2-6 saturated hydrocarbon group containing 2-4 heteroatoms independently selected from N and O.
  • M is selected from the following structures:
  • each L 1 and L 1 ' is independently selected from
  • L1 is L 1 ' is
  • L1 is L 1 ' is
  • M is linked to L 1 ′ via an N atom, or M is linked to L 1 ′ via an O atom.
  • M is linked to L 1 ′ via an N atom.
  • each L2 is independently a Lys residue.
  • L3 when L31 and L32 are independently selected from a bond and -NH( CH2 ) x3C (O)-, x3 is selected from 0, 1, 2, 3, 4, 5 and 6, A1 is selected from a bond, an amino acid residue or a derivative thereof, or a combination of 2 or more The polypeptide fragment or derivative thereof composed of the above amino acids, r1 is selected from 1, 2, 3, 4, 5 and 6. In some embodiments, A1 is selected from Glu, Asp and GluGlu.
  • each L 3 is independently a bond or selected from the following structures:
  • each L 41 and L 42 is independently selected from a bond, -NH(CH 2 ) x4 C(O)-, -NH(CH 2 ) x4 NH- and -NH((CH 2 ) 2 O) x4 CH 2 CH 2 NH- and -C(O)(CH 2 ) x4 C(O)-, each x 4 is independently selected from 0, 1, 2, 3, 4, 5 and 6,
  • a 2 and A 3 are independently selected from a bond, an amino acid residue or a derivative thereof, or a polypeptide fragment consisting of more than 2 amino acids or a derivative thereof, and r1 is selected from 1, 2, 3, 4, 5 and 6.
  • each A 2 and A 3 is independently selected from Lys, Glu, Asp, GluGlu and Glu(Glu) 2 .
  • each L 4 is independently a bond or is selected from the following structures:
  • each L 4 is independently a bond or selected from the following structures:
  • the amino acid in L 5 is selected from Glu, Gly, Phe, Leu and Cys; preferably, the polypeptide consisting of two or more amino acids is selected from GlyPheLeuGly, Glu(Glu(Gly) 2 ) 2 ; preferably, the derivative is selected from acylated (eg acetylated) or alkylated (eg methylated) derivatives.
  • L4 and L5 are linked to form
  • x4 and x5 are each independently selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 at each occurrence.
  • L4 and L5 are linked to form
  • L is a structure formed by connecting the aforementioned L4 and L5 , and the remaining groups are as defined in any of the above items.
  • D is a group formed by connecting the cytotoxic drug with the rest of the general formula through the reactive group on it.
  • the reactive group is amino (-NH 2 ), secondary amine, hydroxyl (-OH), thiol (-SH), carboxyl (-COOH) and the like.
  • D is selected from:
  • L 1 ' is When one end of L 1 ′ is a carbonyl group, one end of L 1 is an alkylene group; when one end of L 1 ′ is an alkylene group, one end of L 1 is a carbonyl group;
  • L 3 is a bond or is selected from the following structures:
  • L 4 is independently a bond or selected from the following structures:
  • n 11 1, 2 or 3;
  • n 21 1 or 2;
  • n 31 1, 2, 3 or 4.
  • L 1 is When one end of L 1 is an alkylene group, one end of L 1 ′ is a carbonyl group; when one end of L 1 is a carbonyl group, one end of L 1 ′ is an alkylene group;
  • L2 is a Lys residue
  • L 3 is a bond or is selected from the following structures:
  • L 4 is independently a bond or selected from the following structures:
  • L 5 is independently selected from the following structures:
  • n 12 2, 3 or 4;
  • n 21 1, 2 or 3;
  • n 32 1, 4 or 5.
  • -y 1 D or -y 2 D in each general formula represents that the number of D to which one L 5 can be connected is y 1 or y 2 , respectively.
  • amino acids used in the preparation of the compounds and the amino acid residues in the structural formulas of the compounds are in natural configuration (L-form, except for glycine Gly).
  • the compound is selected from:
  • the present application prepares a dual-drug (or triple-drug) polyethylene glycol small molecule through unique molecular design and protecting group chemistry, and thus the present application also provides an intermediate compound of formula II-XX for synthesizing the compound described in the present application.
  • Pg 1 and Pg 1 ' are independently hydrogen or an amino protecting group, and Pg 1 and Pg 1 'are different; preferably, the amino protecting group is selected from an alkyl protecting group (e.g., Bn, Trt, DMB or PMB) and an alkoxycarbonyl protecting group (e.g., Boc, Fmoc, Cbz or Teoc); preferably, Pg 1 is hydrogen and Pg 1 'is an amino protecting group; or, Pg 1 is an amino protecting group and Pg 1 'is hydrogen;
  • an alkyl protecting group e.g., Bn, Trt, DMB or PMB
  • an alkoxycarbonyl protecting group e.g., Boc, Fmoc, Cbz or Teoc
  • the compound is selected from:
  • the present application provides a compound of formula III or a pharmaceutically acceptable salt thereof,
  • each Pg 3 is independently hydrogen or selected from amino and carboxyl protecting groups, the amino protecting group is selected from alkoxycarbonyl protecting groups, such as Boc, Fmoc, Cbz or Teoc; the carboxyl protecting group is selected from ester protecting groups, such as methyl ester, ethyl ester, tert-butyl ester, allyl ester or benzyl ester; preferably, each Pg 3 is independently hydrogen or a carboxyl protecting group, such as an ester protecting group, such as methyl ester, ethyl ester, tert-butyl ester, allyl ester or benzyl ester, preferably tert-butyl ester or benzyl ester; preferably, each Pg 3 is the same, preferably all are tert-butyl ester or benzyl ester;
  • Pg 4 is hydrogen or a side chain protecting group of L 2 , preferably, the protecting group is selected from an amino protecting group and a carboxyl protecting group, preferably, the amino protecting group is selected from an alkoxycarbonyl protecting group, such as Boc, Fmoc, Cbz or Teoc, preferably, the carboxyl protecting group is selected from an ester protecting group, such as methyl ester, ethyl ester, tert-butyl ester, allyl ester or benzyl ester, preferably, Pg 4 is an amino protecting group, preferably, Pg 4 is Boc or Cbz;
  • Pg 5 is hydrogen or an amino protecting group, wherein the amino protecting group is selected from an alkoxycarbonyl protecting group, such as Boc, Fmoc, Cbz or Teoc; preferably, Pg 5 is hydrogen or Fmoc;
  • the compound is selected from:
  • each of Pg 6 and Pg 7 is independently hydrogen or selected from an amino protecting group, preferably, the amino protecting group is selected from an alkyl protecting group (e.g., Bn, Trt, DMB or PMB) and an alkoxycarbonyl protecting group (e.g., Boc, Fmoc, Cbz or Teoc);
  • an alkyl protecting group e.g., Bn, Trt, DMB or PMB
  • an alkoxycarbonyl protecting group e.g., Boc, Fmoc, Cbz or Teoc
  • the present application provides a compound of formula V or a pharmaceutically acceptable salt thereof,
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • each group is as defined in any of the above items.
  • the present application provides a compound represented by formula VII or a pharmaceutically acceptable salt thereof,
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • the present application provides a compound represented by general formula VIII or a pharmaceutically acceptable salt thereof,
  • each of Pg 2 and Pg 2 ′ is independently hydrogen or a carboxyl protecting group, preferably, the carboxyl protecting group is selected from an ester protecting group, such as a methyl ester, an ethyl ester, a tert-butyl ester, an allyl ester or a benzyl ester;
  • Pg 2 is hydrogen and Pg 2 ' is a carboxyl protecting group; Pg 2 is a carboxyl protecting group and Pg 2 ' is hydrogen; or, Pg 2 and Pg 2 ' are both carboxyl protecting groups (e.g., tert-butyl ester or benzyl ester), and Pg 2 and Pg 2 ' are different;
  • Pg 2 and Pg 2 ' are both carboxyl protecting groups (e.g., tert-butyl ester or benzyl ester), and Pg 2 and Pg 2 ' are different;
  • the compound is selected from:
  • the present application provides a compound represented by the general formula IX or a pharmaceutically acceptable salt thereof,
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • the present application provides a compound represented by the general formula XI or a pharmaceutically acceptable salt thereof,
  • the compound is selected from:
  • the present application provides a compound represented by the general formula XII or a pharmaceutically acceptable salt thereof,
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • the present application provides a compound represented by the general formula XIII or a pharmaceutically acceptable salt thereof,
  • the compound is selected from:
  • the present application provides a compound represented by the general formula XIV or a pharmaceutically acceptable salt thereof,
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • the present application provides a compound represented by the general formula XV or a pharmaceutically acceptable salt thereof,
  • Pg 7 ' is hydrogen or is selected from amino and carboxyl protecting groups; preferably, the amino protecting group is selected from alkyl protecting groups (such as Bn, Trt, DMB or PMB) and an alkoxycarbonyl protecting group (e.g., Boc, Fmoc, Cbz or Teoc), wherein the carboxyl protecting group is selected from an ester protecting group (e.g., methyl ester, ethyl ester, tert-butyl ester, allyl ester or benzyl ester);
  • alkyl protecting groups such as Bn, Trt, DMB or PMB
  • an alkoxycarbonyl protecting group e.g., Boc, Fmoc, Cbz or Teoc
  • the carboxyl protecting group is selected from an ester protecting group (e.g., methyl ester, ethyl ester, tert-butyl ester, allyl ester or benzyl ester);
  • the compound is selected from:
  • the present application provides a compound represented by the general formula XVI or a pharmaceutically acceptable salt thereof,
  • the present application provides a compound represented by the general formula XVII or a pharmaceutically acceptable salt thereof,
  • each Pg 3 ' is independently hydrogen or selected from amino and carboxyl protecting groups
  • the amino protecting group is selected from alkoxycarbonyl protecting groups, such as Boc, Fmoc, Cbz or Teoc
  • the carboxyl protecting group is selected from ester protecting groups, such as methyl ester, ethyl ester, tert-butyl ester, allyl ester or benzyl ester
  • each Pg 3 is independently hydrogen or a carboxyl protecting group, such as an ester protecting group, such as methyl ester, ethyl ester, tert-butyl ester, allyl ester or benzyl ester, preferably tert-butyl ester or benzyl ester
  • each Pg 3 is the same, preferably all are tert-butyl ester or benzyl ester;
  • the compound is selected from:
  • the present application provides a compound of formula XVIII or a pharmaceutically acceptable salt thereof,
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • the present application provides a compound represented by the general formula XIX or a pharmaceutically acceptable salt thereof,
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • the present application provides a compound represented by the general formula XX or a pharmaceutically acceptable salt thereof,
  • each group is as defined in any of the above items.
  • the compound is selected from:
  • the present application provides a pharmaceutical composition comprising an effective amount of the compound described in any one of the present application or a pharmaceutically acceptable salt thereof for treating and/or preventing a disease.
  • the composition further contains one or more pharmaceutically acceptable excipients.
  • the pharmaceutical composition is prepared in the form of an injection.
  • the present application further provides an injection, which comprises the compound described in any one of the present application or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition.
  • the injection solution uses physiological saline as a carrier.
  • the present application provides use of the compounds described herein or pharmaceutically acceptable salts thereof in the preparation of a medicament for treating and/or preventing a disease (eg, cancer).
  • a disease eg, cancer
  • the present application provides a compound described herein or a pharmaceutically acceptable salt thereof for use in treating and/or preventing a disease (eg, cancer).
  • a disease eg, cancer
  • the present application provides a method for treating and/or preventing a disease (eg, cancer), comprising the step of administering a therapeutically and/or preventively effective amount of a compound described herein or a pharmaceutically acceptable salt thereof to a subject in need thereof.
  • a disease eg, cancer
  • the cancer is selected from the group consisting of colon cancer, leukemia, lymphoma, bladder cancer, bone cancer, brain tumor, medulloblastoma, glioma, breast cancer, adenoma/carcinoid, adrenocortical carcinoma, islet cell carcinoma, cervical cancer, endometrial cancer, ovarian cancer, colorectal cancer, skin cancer, esophageal cancer, eye cancer, gallbladder cancer, gastric cancer, head and neck cancer, liver cancer, melanoma, Kaposi's sarcoma, kidney cancer, oral cancer, lung cancer, nasopharyngeal cancer, neuroblastoma, ovarian cancer, pancreatic cancer, thyroid cancer, parathyroid gland penile cancer, prostate cancer, urethral cancer, vaginal cancer, vulvar cancer, anal cancer, sarcoma, and metastases of the cancers.
  • the present application also relates to the use of the intermediate described in the present application (including the compound described in any one of the general formula II to general formula XX or a pharmaceutically acceptable salt thereof) in the preparation of a drug.
  • the drug is selected from the compound of general formula I described in the present application or a pharmaceutically acceptable salt thereof.
  • the present application provides a method for preparing the compound of general formula I and its intermediates.
  • the compound of formula II is used as a raw material, and the L 1 or L 1 'fragment is selectively inserted to obtain the compound of formula XIX or XX. Further, the compound of formula XIX or XX is inserted into the L 1 'or L 1 fragment to obtain the compound of formula VIII.
  • the L2 fragment and the L3 fragment are linked to provide a compound of Formula III.
  • the L4 fragment and the L5 fragment are linked to provide a compound of Formula IV.
  • the compound of formula V is obtained by the following method:
  • the compound of formula VIII is reacted with the compound of formula III, or sequentially reacted with the L2 fragment and the L3 fragment to obtain the compound of formula IX.
  • the compound of formula IX is ligated to an L4 fragment to obtain the compound of formula X.
  • the compound of formula IX and the compound of formula IV are reacted to obtain the compound of formula XI.
  • the compound of formula VIII is connected to the L 3 fragment, or the compound of formula XIX is connected to the L 1 '-L 3 fragment.
  • the compound of formula XIII is obtained.
  • the compound of formula VIII is joined to the L 5 -y 1 D fragment to obtain the compound of formula XIV, wherein L 3 and L 4 are both bonds.
  • the compound of formula XV is obtained by the following method:
  • the compound of formula XIV and the compound of formula III are reacted to obtain the compound of formula XVI.
  • the compound of formula XIII and the compound of formula V are reacted to obtain the compound of formula XVII.
  • the compound of formula XIV and the compound of formula VII are reacted to obtain the compound of formula XVIII.
  • each fragment includes its protected form or deprotected form.
  • the choice of protecting group can be determined according to the common technical knowledge in the art, or as defined above.
  • a step of protecting the amino group or the carboxyl group, or deprotecting the amino group or the carboxyl group is optionally included.
  • the method for preparing the compound of formula I is selected from the following routes:
  • step (2) The intermediate 1-1 obtained in step (1) is Reaction to obtain the compound of general formula I;
  • step (2) The intermediate 2-1 obtained in step (1) is directly reacted with Reaction, or step-by-step connection fragments (e.g., stepwise connection of L 3 , L 4 , L 5 and D, or L 3 -(L 4 ) n21 , L 5 and D, or L 3 -(L 4 ) n21 , L 5 -y 1 D, or L 3 -(L 4 -(L 5 ) n31 ) n21 and D) to obtain intermediate 2-2;
  • step-by-step connection fragments e.g., stepwise connection of L 3 , L 4 , L 5 and D, or L 3 -(L 4 ) n21 , L 5 and D, or L 3 -(L 4 ) n21 , L 5 -y 1 D, or L 3 -(L 4 -(L 5 ) n31 ) n21 and D
  • step (3) reacting the intermediate 2-2 obtained in step (2) directly with the compound of formula VI, or reacting with the compound of formula IV and the cell in steps Toxic drug reaction, or stepwise connection of L 4 , L 5 -y 2 D, or stepwise connection of L 4 , L 5 and D to obtain a compound of formula I;
  • step (2) and step (3) are swapped;
  • step (2) The intermediate 3-1 obtained in step (1) is Reaction to obtain the compound of formula I;
  • step (2) Replace with At this point, step (4) will no longer be performed;
  • step (2) The intermediate 5-1 obtained in step (1) is directly reacted with Reaction or step-wise ligation fragments (e.g., stepwise connection of L 3 , L 4 , L 5 and D, or L 3 -(L 4 ) n21 , L 5 and D, or L 3 -(L 4 ) n21 , L 5 -y 1 D, or L 3 -(L 4 -(L 5 ) n31 ) n21 and D) to give intermediate 5-2;
  • Reaction or step-wise ligation fragments e.g., stepwise connection of L 3 , L 4 , L 5 and D, or L 3 -(L 4 ) n21 , L 5 and D, or L 3 -(L 4 ) n21 , L 5 -y 1 D, or L 3 -(L 4 -(L 5 ) n31 ) n21 and D
  • step (3) reacting the intermediate 5-2 obtained in step (2) with the cytotoxic drug to obtain the compound of formula I;
  • step (4) reacting the intermediate 7-4 obtained in step (4) with the cytotoxic drug or L 5 ′′-y 2 D to obtain the compound of formula I; wherein L 5 ′ and L 5 ′′ are connected to form L 5 ;
  • step (3) reacting the intermediate 8-2 obtained in step (3) with the cytotoxic drug to obtain the compound of formula I;
  • step (3) reacting the intermediate 9-2 obtained in step (2) with the cytotoxic drug to obtain the compound of formula I;
  • step (2) reacting the intermediate 10-1 obtained in step (1) with PEG having an activated group to obtain the intermediate 10-2;
  • a step of removing the protecting group and/or activating eg, carbonyl activation
  • a step of removing the protecting group and/or activating eg, carbonyl activation
  • the PEG activating group is N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl
  • the term "pharmaceutically acceptable carrier” refers to a carrier that is pharmacologically and/or physiologically compatible with the subject and the active ingredient, which is well known in the art (see, e.g., Remington's Pharmaceutical Sciences. Edited by Gennaro AR, 19th ed. Pennsylvania: Mack Publishing Company, 1995), and includes, but is not limited to, pH regulators, surfactants, adjuvants, ionic strength enhancers, diluents, agents that maintain osmotic pressure, agents that delay absorption, and preservatives.
  • pH regulators include, but are not limited to, phosphate buffers.
  • Surfactants include, but are not limited to, cationic, anionic or nonionic surfactants, such as Tween-80.
  • Ionic strength enhancers include, but are not limited to, sodium chloride.
  • Preservatives include, but are not limited to, various antibacterial and antifungal agents, such as parabens, chlorobutanol, phenol, sorbic acid, and the like.
  • Agents that maintain osmotic pressure include, but are not limited to, sugars, NaCl, and the like.
  • Agents that delay absorption include, but are not limited to, monostearate and gelatin.
  • Diluents include, but are not limited to, water, aqueous buffers (such as buffered saline), alcohols and polyols (such as glycerol), etc.
  • Preservatives include, but are not limited to, various antibacterial and antifungal agents, such as thimerosal, 2-phenoxyethanol, parabens, chlorobutanol, phenol, sorbic acid, etc.
  • Stabilizers have the meanings commonly understood by those skilled in the art, which can stabilize the desired activity of the active ingredient in the drug, including but not limited to sodium glutamate, gelatin, SPGA, sugars (such as sorbitol, mannitol, starch, sucrose, lactose, dextran, or glucose), amino acids (such as glutamic acid, glycine), proteins (such as dried whey, albumin or casein) or their degradation products (such as lactalbumin hydrolysate), etc.
  • sugars such as sorbitol, mannitol, starch, sucrose, lactose, dextran, or glucose
  • amino acids such as glutamic acid, glycine
  • proteins such as dried whey, albumin or casein
  • degradation products such as lactalbumin hydrolysate
  • prevention refers to methods performed to prevent or delay the occurrence of a disease or disorder or symptom (eg, a tumor) in a subject.
  • treatment refers to a method implemented to obtain a beneficial or desired clinical outcome.
  • a beneficial or desired clinical outcome includes, but is not limited to, alleviating symptoms, reducing the scope of the disease, stabilizing (i.e., no longer worsening) the state of the disease, delaying or slowing the development of the disease, improving or alleviating the state of the disease, and alleviating symptoms (whether partially or completely), whether detectable or undetectable.
  • treatment may also refer to extending survival compared to the expected survival (if not receiving treatment).
  • the term "subject” refers to a mammal, such as a primate mammal, such as a human.
  • the subject eg, human
  • the term "effective amount" refers to an amount sufficient to achieve or at least partially achieve a desired effect.
  • the effective amount for treating a disease e.g., a tumor
  • the effective amount for treating a disease refers to an amount sufficient to cure or at least partially stop the disease and its complications in a patient who already has the disease. Determining such an effective amount is entirely within the capabilities of those skilled in the art.
  • the effective amount for therapeutic use will depend on the severity of the disease to be treated, the overall state of the patient's own immune system, the patient's general condition such as age, weight and sex, the mode of administration of the drug, and other treatments administered simultaneously, etc.
  • cancer and “tumor” are used interchangeably to refer to a broad class of diseases characterized by the uncontrolled growth of abnormal cells in the body. Unregulated cell division may lead to the formation of malignant tumors, or cells that invade adjacent tissues and may metastasize to distant parts of the body via the lymphatic system or bloodstream. Cancer includes both benign and malignant cancers as well as dormant tumors or micrometastases. Cancer also includes blood tumors, especially hematological malignancies.
  • hydrocarbon group refers to a group obtained by losing a hydrogen atom from a corresponding hydrocarbon, including monovalent hydrocarbon groups, divalent hydrocarbon groups, trivalent hydrocarbon groups, etc. For example, a C2-10 trivalent hydrocarbon group, a C2-6 trivalent saturated hydrocarbon group.
  • alkyl is defined as a straight or branched saturated aliphatic hydrocarbon group. In some embodiments, the alkyl group has 1 to 12, for example 1 to 6 carbon atoms.
  • C 1-6 alkyl refers to a linear or branched group of 1 to 6 carbon atoms (e.g., methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, and n-hexyl).
  • alkylamino refers to a group having an "alkyl-NH-" structure, wherein the alkyl group is as defined above.
  • alkyl group is as defined above.
  • Common alkylamino groups include (but are not limited to) methylamino, ethylamino, n-propylamino, isopropylamino, n-butylamino, isobutylamino, tert-butylamino, pentylamino, hexylamino, etc.
  • PCB The structural formula of PCB is:
  • NPB The structural formula of NPB is:
  • DOX The structural formula of DOX is:
  • amino acid mainly includes the following 20 common amino acids: alanine (Ala), arginine (Arg), aspartic acid (Asn), asparagine (Asp), cysteine (Cys), glutamine (Gln), glutamic acid (Glu), glycine (Gly), histidine (His), leucine (Leu), isoleucine (Ile), lysine (Lys), methionine (methionine) (Met), phenylalanine (Phe), proline (Pro), serine (Ser), threonine (Thr), tryptophan (Trp), tyrosine (Tyr) and valine (Val).
  • amino acid residue refers to the remaining part after removing a hydrogen from the amino group and/or lacking a hydroxyl group from the carboxyl group in the amino acid molecule.
  • reaction solution transfer the reaction solution to a 2L separatory funnel, add pure water (300ml) and ethyl acetate (350ml) for extraction, dilute hydrochloric acid was added dropwise to adjust the pH until it was acidic, the organic phase was separated, the aqueous phase was extracted with ethyl acetate (200ml x 3), the organic phases were combined, concentrated and evaporated to dryness to obtain 24g of the product.
  • Anhydrous sodium carbonate 14.85 g, 140.12 mmol was added, and ultrasonic wave assisted dissolution was used, and the reaction flask was placed in a 0°C reaction bath and stirred for 30 minutes.
  • Cbz-Cl (12.5494 g, 73.56 mmol) was dissolved in THF (30 ml), and it was slowly added dropwise to the reaction flask.
  • the reaction flask was taken out of the 0°C reaction bath and stirred at room temperature for 2.5 hours. After the reaction was completed, the reaction was completed and extracted with ethyl acetate (200 ml) and pure water (100 ml). The organic phase was collected after adjusting the pH to be weakly acidic with dilute hydrochloric acid, and the aqueous phase was extracted again with ethyl acetate (200 ml). Combine the organic phases, concentrate, remove water with anhydrous magnesium sulfate, add 200-300 mesh silica gel powder (25g) and evaporate to dryness. Dry sample, use 30-70% ethyl acetate/petroleum ether as eluent for column chromatography. Collect the target product, concentrate, and dry to obtain 11.6g of the product, with a yield of 62.41%.
  • Boc-L-Leucine (30g, 129.70mmol), glycine benzyl ester hydrochloride (28.77g, 142.67mmol), HBTU (73.78g, 194.56mmol) and HOBT (26.28g, 194.56mmol) were added to a 1000ml flask, DMF (50ml) was added to dissolve it, and it was stirred at -5 degrees Celsius for about 20 minutes, and then DIEA (96.5ml, 583.68mmol) was slowly added dropwise. After the addition was completed, it was continued to stir at -5°C for 1 hour, and then moved to room temperature to stir and react.
  • reaction solution was transferred to a 2L separatory funnel, and saturated sodium bicarbonate solution (250ml) and ethyl acetate (300ml) were added for extraction, and the aqueous phase was extracted with ethyl acetate (200ml x 3).
  • the organic phases were combined, washed with saturated brine (200 ml x 2), dehydrated with anhydrous magnesium sulfate, concentrated, and evaporated to dryness to obtain 50.9873 g of the product.
  • reaction solution is transferred to a 2L separatory funnel, and saturated sodium bicarbonate solution (350ml) and ethyl acetate (300ml) are added for extraction.
  • the organic phase is collected, and the aqueous phase is extracted with ethyl acetate (200ml x 3).
  • the organic phases are combined, washed with saturated sodium chloride solution (250ml x 2), concentrated, dehydrated with anhydrous magnesium sulfate, and evaporated to dryness to obtain 49.4g of the product.
  • reaction solution transfer the reaction solution to a 2L separatory funnel, add saturated sodium bicarbonate solution (300ml) and ethyl acetate (350ml) for extraction, collect the organic phase, extract the aqueous phase with ethyl acetate (200ml x 3), combine the organic phases and wash with saturated sodium chloride solution (250ml x 2), place at room temperature for 1.5 hours, precipitate solids, filter, and wash the filter cake with a 3/7 ethyl acetate/petroleum ether mixed solution (150mlx5) to obtain 34.6g of the product.
  • the lower layer of oil was dissolved with an appropriate amount of 1/9 methanol/dichloromethane mixed solvent.
  • Methyl tert-butyl ether 200 ml was added for precipitation.
  • the solid was precipitated and filtered.
  • the filter cake was collected and dried to obtain 5.5 g of the product.
  • Reactants 71-85 (5.08 g, 10.32 mmol), lapatinib (5 g 8.60 mmol, purchased from Shanghai Hengxin), HOBT (1.39 g, 10.32 mmol) and HBTU (3.91 g, 10.32 mmol) were placed in a reaction bottle, DMF (20 ml) was added, ultrasonic assisted dissolution was used, the mixture was stirred at 0 degrees Celsius, DIEA (7.11 mml, 43.02 mmol) was added dropwise, after the addition was completed, the mixture was taken out to room temperature and stirred for 3 hours.
  • the mixture was extracted with deionized water (400 ml) and ethyl acetate (400 ml), the organic phase was collected, the aqueous phase was extracted again with ethyl acetate (200 ml), the organic phases were combined, and the mixture was washed with saturated sodium bicarbonate solution (100 ml ⁇ 2), the organic phases were collected, dehydrated with anhydrous magnesium sulfate, concentrated, and evaporated to obtain 8.48 g of the product.
  • Paclitaxel (20g, 23.42mmol, purchased from Wuhan Yingyuanbei, referred to as PTX) and imidazole (7.98g, 117.12mmol) were added to a 250ml round-bottom flask, DMF was added, dissolved with ultrasonic assistance, N2 was introduced, the air was evacuated, TBDMS-Cl (21.2g, 142.54mmol) was added, nitrogen was stopped, and the reaction was continued to stir at room temperature.
  • PTX Wuhan Yingyuanbei
  • reaction solution was transferred to a 1L separatory funnel, saturated sodium bicarbonate solution (200ml) and ethyl acetate (200ml) were added for extraction, and the aqueous phase was extracted with ethyl acetate (150ml ⁇ 2).
  • the combined organic phases were washed with saturated sodium chloride solution (100ml ⁇ 2), the organic phases were collected, concentrated, 200-300 mesh silica gel powder was added and evaporated to dryness, dry loading was performed, and column chromatography was performed with 0-100% ethyl acetate/petroleum ether as the eluent, the target product was collected, and concentrated and evaporated to dryness to obtain 22.7g of the product.
  • Boc-Glu-OH (3g, 12.13mmol), L-glutamic acid dibenzyl ester p-toluenesulfonate (12.72g, 25.48mmol), HBTU (9.66g, 25.48mmol) and HOBT (3.44g, 25.48mmol) were added to a 500ml round-bottom flask, and then DMF (30ml) was added to dissolve it. After stirring for 3min in an ice-water bath, DIEA (16.03ml, 97.04mmol) was added dropwise, and the reaction was continued to stir at room temperature.
  • reaction solution was transferred to a 2L separatory funnel filled with pure water (200ml) and ethyl acetate (200ml) for extraction, and the organic phase was collected.
  • the aqueous phase was extracted with ethyl acetate (50ml x 2).
  • the combined organic phase was washed with saturated sodium bicarbonate solution (50ml x 2), dried over anhydrous magnesium sulfate, concentrated under reduced pressure, and evaporated to dryness to obtain 10.5g of the product.
  • 62-13 (2.8 g, 12.13 mmol), 81-121 (9.28 g, 12.13 mmol), HBTU (5.05 g, 13.34 mmol) and HOBT (1.8 g, 13.34 mmol) were added to a 500 ml round-bottom flask, and then DMF (20 ml) was added to dissolve it. After stirring for 2 min in an ice-water bath, DIEA (8.01 ml, 48.52 mmol) was added and stirred at room temperature for reaction. After the reaction was completed, the reaction solution was transferred to a 2 L separatory funnel, and pure water (200 ml) and ethyl acetate (100 ml) were added for extraction.
  • the filter cake was re-dissolved with an appropriate amount of ethyl acetate, stirred at 37 ° C for 5 minutes, filtered, and the filter cake was collected. This was repeated three times.
  • the filter cake was dissolved with an appropriate amount of DMA, and methyl tert-butyl ether was added dropwise with stirring until fine solid particles were produced. Then, an appropriate amount of methyl tert-butyl ether was added, the mixture was filtered with suction, and the filter cake was dried to obtain 5.1 g of the product with a yield of 62.27%.
  • the reactants 81-136 (3.7 g, 0.866 mmol), Fmoc-Lys(Boc)-OH (0.6 g, 1.3 mmol), HOBT (0.175 g, 1.3 mmol) and HBTU (0.49 g, 1.3 mmol) were placed in a reaction bottle, DMF (20 ml) was added, ultrasonic assisted dissolution was performed, the mixture was placed at 0 degrees Celsius and stirred for 2 min, DIEA (0.5 ml, 3.03 mmol) was added dropwise, and the mixture was stirred and reacted at room temperature for 3 hours after the addition.
  • methyl tert-butyl ether (450 ml) was added, ultrasonic treatment was performed, the mixture was allowed to stand, the supernatant was discarded, methyl tert-butyl ether (200 ml) was added to settle, solids were precipitated, suction filtered, the filter cake was re-dissolved with an appropriate amount of DMF, methyl tert-butyl ether (450 ml) was added in small amounts and multiple times to settle, suction filtered, and the filter cake was dried to obtain 4.08 g of the product.
  • 81-189 (2.31 g, 2.508 mmol), HBTU (0.9511 g, 2.508 mmol) and HOBT (0.06 g, 0.495 mmol) were placed in a 50 ml round bottom flask, and then DMF (5 ml) was added to dissolve it. The mixture was stirred at 0 ° C for 1 minute, and then DIEA (1.72 ml, 10.45 mmol) was slowly added dropwise. After stirring at room temperature for 5 minutes, a DMF solution of 81-147 (9.4 g, 2.09 mmol) was added to continue the reaction.
  • methyl tert-butyl ether (450 ml) was added to settle, and the solid was precipitated and filtered.
  • the filter cake was re-dissolved with an appropriate amount of DMF, and then methyl tert-butyl ether (450 ml) was added to settle. This was repeated three times, and the filter cake was dried to obtain the product.
  • Boc-Asp(Obzl.)-OH (9.19 g, 28.45 mmol), H- ⁇ -Ala-Obzl.TsOH (10 g, 28.45 mmol), HBTU (15.1 g, 39.83 mmol) and HOBT (5.38 g, 39.83 mmol) were added to a 500 ml round-bottom flask, dissolved with an appropriate amount of DMF, and stirred at 0 ° C for about 3 minutes, then DIEA (21.16 L, 128.025 mmol) was slowly added dropwise, and the reaction was stirred at room temperature overnight.
  • reaction solution was transferred to a 1 L separatory funnel, and pure water (300 ml) and ethyl acetate (200 ml) were added for extraction, and the organic phase was collected, and the aqueous phase was extracted with ethyl acetate (200 ml ⁇ 2), and the organic phase was combined, and the organic phase was washed with a saturated sodium bicarbonate solution (100 ml ⁇ 2), concentrated, dehydrated with anhydrous magnesium sulfate, and evaporated to dryness to obtain 13.78 g of the product.
  • a saturated sodium bicarbonate solution 100 ml ⁇ 2
  • 74-102 (5.39 g, 5.68 mmol) was placed in a 500 ml round-bottom flask, DMF (10 ml) was added to dissolve, and then morpholine (7.43 ml, 85.32 mmol) was added to react under room temperature with stirring. After the reaction was completed, the reaction solution was taken out and poured into a 2L separatory funnel, pure water (300 ml) and ethyl acetate (300 ml) were added to the separatory funnel for extraction, and the organic phase was separated, and the aqueous phase was extracted with ethyl acetate (100 ml ⁇ 2).
  • the organic phases were combined and washed with saturated sodium bicarbonate solution (200 ml ⁇ 2), and the organic phases were collected, concentrated, and dehydrated with anhydrous magnesium sulfate, and 200-300 mesh silica gel powder was added and evaporated to dryness, and the sample was dry loaded, and column chromatography was performed using 5-7% methanol/dichloromethane as the eluent, and the product was collected, concentrated, and evaporated to dryness to obtain 1.4 g of the product.
  • 3-(methylamine)propane-1,2-diol (3 g, 28.53 mmol), mono-tert-butyl succinate (4.96 g, 28.53 mmol) and HATU (11.39 g, 29.96 mmol) were placed in a 500 ml round-bottom flask, and then acetonitrile (20 ml) was added, and the mixture was stirred at -5 °C for 2 minutes with the aid of ultrasonic wave. DIEA (24.75 ml, 149.8 mmol) was then slowly added dropwise to continue the reaction.
  • acetonitrile was removed by vacuum rotary evaporation, methyl tert-butyl ether (200 ml) was added for precipitation, the supernatant was discarded, and methyl tert-butyl ether was added. (200ml) to settle, pour off the supernatant, repeat this process several times until the product becomes a viscous oil.
  • the raw material 81-65 (0.5 g, 0.896 mmol) and 10% Pd/C catalyst (20 mg) were added to a hydrogenation reaction apparatus, and then DMF (8 ml) was added to dissolve it, and hydrogen was charged to 2 MPa, and the reaction was carried out at room temperature overnight. After the reaction was completed, the reaction liquid containing palladium carbon was collected.
  • 81-204 (4.94 g, 0.218 mmol) was added to a 50 ml round bottom flask, TFA (35 ml) was added and stirred at room temperature for 20 hours. After the reaction was completed, an appropriate amount of dichloromethane was added to dissolve, dichloromethane was removed by rotary evaporation, and methyl tert-butyl ether (30 ml) was added to precipitate solids, and the mixture was allowed to stand, the supernatant was discarded, and the mixture was evaporated to dryness.
  • 81-206 (1.9 g, 0.0437 mmol), 59-69 (0.141 g, 0.131 mmol), HBTU (0.049 g, 0.1313 mmol) and HOBT (0.0177 g, 0.1313 mmol) were placed in a 50 ml round bottom flask, and then DMF (10 ml) was added to dissolve, and triethylamine (0.1 ml) was added dropwise to react. After the reaction was completed, methyl tert-butyl ether (45 ml) was added to precipitate, and solids were precipitated. Ultrasonic treatment was performed, and the mixture was allowed to stand, and the supernatant was discarded. This was repeated 3 times.
  • the solid is dissolved in an appropriate amount of a 4/6 methanol/dichloromethane mixed solvent, 100-200 mesh silica gel powder is added, evaporated to dryness, and dry-loaded.
  • Column chromatography is performed using 1% triethylamine/10% methanol/dichloromethane as an eluent, the target product is collected, evaporated to dryness, and then dissolved in an appropriate amount of a ethanol/dichloromethane (volume ratio of 3:7) mixed solvent, and methyl tert-butyl ether (300 ml) is added, solid precipitates, and suction filtration is performed. This dissolution/precipitation process is repeated 3 times, and the filter cake is dried to obtain 1.2 g of the product.
  • Trometamol (2.42 g, 20.00 mmol, purchased from Le Yan) was placed in a 250 ml flask, DMSO (4 ml) was added, N 2 was filled and cooled to 15 ° C, 5 M sodium hydroxide aqueous solution (0.4 ml) was added while stirring, and tert-butyl acrylate (10.00 ml, 68.00 mmol) was added dropwise. After the reaction was completed, saturated NaCl solution (200 ml) and ethyl acetate (200 ml) were added for extraction, and the organic phase was collected after standing and stratification; the aqueous phase was extracted with ethyl acetate (200 ml ⁇ 3).
  • 76-103 (0.07 mmol) was put into a 250 ml flask, dissolved in DMF (20 ml), and then slowly added dropwise to a DMF solution containing DIEA (0.44 ml, 2.66 mmol) and M-SCM-10K (2.29 g, 0.22 mmol, purchased from Jiankai), and the reaction was placed at room temperature and stirred at a low speed in the dark for one week.
  • 6-aminocaproic acid (4.6094 g, 35.1407 mmol) was placed in a 1 L round bottom flask, THF/H 2 O solution (150 ml) was added to dissolve it, and it was placed in a 0°C reaction bath and stirred for 1 hour. Then anhydrous sodium carbonate (7.4491 g, 70.2814 mmol) was added thereto, and it was dissolved by ultrasound, and the reaction flask was placed in a 0°C reaction bath and stirred for 30 minutes.
  • chloroformic acid-9-fluorenecarboxylic acid (Fmoc-Cl, 10.0 g, 38.6548 mmol) was dissolved in THF (30 ml), and it was slowly added dropwise to the reaction flask. After the addition was completed, the reaction flask was taken out of the 0°C reaction bath and stirred at room temperature for 2.5 hours. Finally, 1.0 mol/L hydrochloric acid aqueous solution (115 ml) was added dropwise to the reaction flask to adjust the pH of the reaction solution to 3.0.
  • reaction solution is transferred to a 1L separatory funnel, extracted with ethyl acetate (150ml ⁇ 3), and the aqueous phase and the organic phase are separated.
  • the organic phases are combined, and the organic phase is washed twice with 1.0N hydrochloric acid aqueous solution (250ml ⁇ 2), and the aqueous phase and the organic phase are separated.
  • the organic phase is concentrated and evaporated to dryness under reduced pressure, and then dichloromethane (100ml) is added to dissolve it, and then silica gel powder (60ml) is added, evaporated to dryness, and dry-loaded, column chromatography is performed with 20-50% ethyl acetate/petroleum ether as the eluent.
  • the target product is collected, concentrated and evaporated to dryness, and dried to obtain 12.0g of the product, with a yield of 96.63%.
  • 1,2-bis(2-aminoethoxy)ethane 5.96g, 40.270mmol
  • 1,4-dioxane 40ml
  • NaOH 1.932g
  • Boc 2 O 10.54g, 48.324mmol
  • TLC TLC was used to monitor the progress of the reaction.
  • water (100ml) was added, extracted with methyl tert-butyl ether, and the organic phase was collected.
  • the aqueous phase was adjusted to pH 1-2 with hydrochloric acid (1.0mol/L), and extracted with ethyl acetate.
  • the organic phases were combined and dried by rotary evaporation to obtain 9.88g of the product with a yield of 98.8%.
  • Acetonitrile was added to a flask containing 76-80 (1.5 g, 0.97 mmol), and diethylamine (20 ml) was added after dissolving with the aid of ultrasound, and the mixture was stirred at room temperature for 2 h. After the reaction was completed, the mixture was evaporated to dryness to a solid.
  • 76-204 (0.78 g, 0.0068 mmol), 76-230 (0.2 g, 0.2448 mmol), EDCI (0.04 g, 0.10 mmol) and HOBT (0.01 g, 0.10 mmol) were added into a 250 ml round-bottom flask, dissolved with DMF (20 ml), and then stirred at 0 ° C for about 20 minutes. Then, DIEA (0.1 ml, 0.61 mmol) was slowly added dropwise. After the addition was completed, the reaction flask was continued to be stirred at room temperature.
  • n-hexane (30 ml) and methyl tert-butyl ether (200 ml) are added for precipitation, the supernatant is poured off, and n-hexane and methyl tert-butyl ether are added for precipitation, and the process is repeated 3 times.
  • the solid product is filtered off to obtain a solid product.
  • the solid product is dissolved in a 1/1 dichloromethane/methanol mixed solvent, dry-loaded, and column chromatography is performed using a 1% ammonia water/6-12% methanol/dichloromethane mixed solution as an eluent.
  • the target product is collected, concentrated, and dried in a vacuum oven to obtain 0.50 g of the product.
  • N'-fluorenylmethyloxycarbonyl-N-benzyloxycarbonyl-L-lysine (4.0g, 7.95mmol), HBTU (3.32g, 8.75mmol) and HOBT (1.18g, 8.75mmol) and add them to a flask containing ⁇ -alanine tert-butyl ester (1.59g, 8.75mmol), then add an appropriate amount of DMF to dissolve it, place it at -5°C, slowly drop DIEA (2.29ml, 17.51mmol), react for half an hour, take it out, stir and react at room temperature overnight.
  • 88-90 (0.092 g, 0.077 mmol) was put into a 250 ml flask, dissolved with DMF (20 ml), and then slowly added dropwise to a DMF solution containing DIEA (0.2 ml, 1.23 mmol) and M-SCM-10K (2.02 g, 0.24 mmol, purchased from Jiankai), and the reaction was placed at room temperature and stirred at a low speed for one week in the dark.
  • DIEA 0.2 ml, 1.23 mmol
  • M-SCM-10K (2.02 g, 0.24 mmol, purchased from Jiankai
  • 88-205 (0.68 g, 0.0176 mmoL) and sodium mercaptododecaborate ( 10 B, BSH) (0.0886 g, 0.4216 mmoL, purchased from CATCHEM, Czech Republic) were placed in a 250 ml flask, dissolved with DMF (10 ml), and stirred to react overnight. After the reaction was completed, methyl tert-butyl ether and n-hexane were added, and after ultrasonic treatment, solids were precipitated and the supernatant was poured out.
  • 10 B, BSH sodium mercaptododecaborate
  • Methyl tert-butyl ether and n-hexane were added again, and after ultrasonic treatment, the supernatant was poured out after standing for 20 minutes, and the product was dried to obtain 0.6 g, with a yield of 83.33%.
  • the filter cake is washed with tert-butyl ether (40 ml x 3), dissolved with a mixed solvent, and silica gel powder is added, evaporated to dryness, and dry-loaded.
  • Column chromatography is performed with 1% triethylamine/8% methanol/dichloromethane as the eluent, and the target product is collected, concentrated, and evaporated to dryness to obtain 0.2 g of 78-131 product.
  • 1,3-diamino-2-hydroxypropane (4.5g, 52.74mmol) was added to a 250mL flask, methanol (40mL) was added to dissolve it, the reaction was stirred at room temperature, triethylamine (1mL) was added, the reaction was continued to stir at room temperature for 10 minutes, Boc-anhydride (35g, 146.52mmol) was slowly added, the reaction was stirred at 45°C for 20 minutes, and the reaction was stirred at room temperature for 3 hours.
  • reaction solution was concentrated under reduced pressure, ethyl acetate (100mL) and pure water (200ml) were added for extraction, the organic phase was collected and combined, anhydrous sodium sulfate was added for drying, suction filtration was performed, the filtrate was collected, evaporated to dryness, and then n-hexane was added for dissolution, the reaction was placed in a 65°C water bath, refluxed for 20 minutes, cooled to room temperature, solids were precipitated, and solid products were obtained by suction filtration, the filter cake was collected, and the product was dried in a vacuum oven to obtain 10g.
  • the aqueous phase was extracted with ethyl acetate (200ml x 3).
  • the combined organic phases were washed with saturated brine (200ml x 2) and evaporated to dryness.
  • the obtained solid product was treated with dichloromethane/methanol Dissolve in mixed solvent, dry load, perform column chromatography with 8-20% ethyl acetate/petroleum ether mixed solution as eluent, collect the target product, concentrate, and dry in a vacuum oven to obtain 6.8 g of the product, with a yield of 39.8%.
  • 59-224 (6.8 g, 15.507 mmol) was added to a reaction flask, 4M hydrochloric acid-1,4-dioxane (155.07 ml) was added and ultrasonically vibrated until completely dissolved, and then stirred at room temperature for 5 hours. After the reaction was completed, the reaction solution was concentrated and evaporated to dryness, dichloromethane (30 ml) was added, ultrasonically treated, and then spin-dried, and the operation was repeated 5 times. Drying gave 3.7 g of the product.
  • 59-230 (3.7 g, 15.507 mmol), tert-butyl succinate (5.94 g, 34.1154 mmol), HATU (12.97 g, 34.1154 mmol) were added to a 250 ml flask, DMF (50 ml) was added to dissolve it, the reaction was stirred at 0 degrees Celsius for about 20 minutes, and then DIEA (23 ml, 139.563 mmol) was slowly added dropwise. After the addition was completed, the reaction was continued to stir at 0 degrees Celsius for 5 hours.
  • the mixture was dried by rotation, dissolved in a dichloromethane/methanol mixed solvent, loaded by dry method, and subjected to column chromatography using a 0.5-1.5% methanol/dichloromethane mixed solution as an eluent to collect the target product, concentrated, and dried in a vacuum oven to obtain 4.8 g of the product with a yield of 56.47%.
  • methyl tert-butyl ether (200 ml) and n-hexane (70 ml) were added, solid precipitated, filtered, and the filter cake was washed with methyl tert-butyl ether (40 ml x 3).
  • the filter cake was collected and the solid product was dissolved in a dichloromethane/methanol mixed solvent.
  • the sample was dry loaded and column chromatography was performed using a 1% ammonia water/5-10% methanol/dichloromethane mixed solution as an eluent.
  • the target product was collected, concentrated, and dried in a vacuum oven to obtain 2.01 g of the product with a yield of 76.8%.
  • n-hexane (30 ml) and methyl tert-butyl ether (200 ml) to settle, pour out the supernatant, add n-hexane and methyl tert-butyl ether to settle, repeat this process 3 times, filter to obtain a solid product, dissolve the solid product in a mixed solvent of dichloromethane and methanol, dry sample, use 1% ammonia water/5-10% methanol/dichloromethane mixed solution as eluent for column chromatography, collect the target product, concentrate, and dry in a vacuum oven to obtain 0.053 g of the product, with a yield of 8.55%.
  • reaction solution was transferred to a 1L separatory funnel, saturated sodium bicarbonate solution (200ml) and ethyl acetate (300ml) were added for extraction, the organic phase was separated, and the aqueous phase was extracted with ethyl acetate (100ml ⁇ 3).
  • the organic phases were combined, washed with pure water (150ml ⁇ 2), concentrated, and evaporated to dryness to obtain 5.9g of the product, which was an overproduction.
  • the mixture was treated with ultrasonic wave to obtain a white turbid liquid, and then n-hexane (100 ml) was added to precipitate to form a powdery solid.
  • the filter cake was washed three times with methyl tert-butyl ether (40 ml), and the filter cake was collected and dried under vacuum to obtain 3.0 g of the product with a yield of 93.8%.
  • reaction solution transfer the reaction solution to a 1L separatory funnel, add saturated sodium chloride solution (200ml) and ethyl acetate (150ml) for extraction to obtain an organic phase, and extract the aqueous phase with ethyl acetate (200ml x 2).
  • the reaction solution was concentrated to remove dichloromethane and most of TFA, and n-hexane (200 ml) and methyl tert-butyl ether (200 ml) were added for sedimentation, and the supernatant was poured off to obtain an oily solid, and ethyl acetate (15 ml) was added, and a white turbid liquid was obtained by ultrasonic treatment, and n-hexane (200 ml) was added for sedimentation to obtain a powdery solid, which was filtered by suction, and the filter cake was washed three times with methyl tert-butyl ether (40 ml), and the filter cake was collected and vacuum dried to obtain 0.16 g of the product.
  • reaction solution was transferred to a 1 L separatory funnel, and saturated sodium chloride solution (100 ml) and ethyl acetate (150 ml) were added for extraction to obtain an organic phase; the aqueous phase was extracted with ethyl acetate (100 ml x 2).
  • the reactants 70-246 (7.82.8 g, 0.64 mmol), 70-68 (70.06 g, 0.080 mmol), HOBT (12 g, 0.9 mmol) and HBTU (0.34 g, 0.9 mmol) were placed in a reaction bottle, and an appropriate amount of DMF was added, and the mixture was dissolved with ultrasonic wave, and stirred at 0 degrees Celsius, and DIEA (0.7 mml, 4.4 mmol) was added dropwise. After the addition was completed, the mixture was taken out and stirred at room temperature for 1 hour, and the reaction progress was monitored by TLC.
  • the mixture was precipitated with methyl tert-butyl ether/n-hexane, and filtered with a siloxane funnel to collect the filter cake; the above step was repeated twice, the filter cake was transferred to a flask, a mixed solvent was added to dissolve, silica gel powder was added to evaporate to dryness, the sample was loaded by dry method, and column chromatography was performed with 1% ammonia water/8% methanol/dichloromethane as the eluent, and the product 2.1 g was collected and dried, with a yield of 70.71%.
  • the reactants 70-251 (1.68 g, 0.0378 mmol), 70-201 (2.25 g, 1.87 mmol), HOBT (30 mg, 0.21 mmol) and HBTU (80 mg, 0.21 mmol) were placed in a reaction bottle, and an appropriate amount of DMF was added, and the mixture was dissolved with ultrasound. The mixture was stirred at 0 degrees Celsius, and DIEA (0.1 ml, 0.4 mmol) was added dropwise. After the mixture was added, the mixture was taken out and stirred at room temperature for 1 hour, and the reaction progress was monitored by TLC.
  • the mixture was precipitated with methyl tert-butyl ether/n-hexane, and filtered with a filtrate funnel to collect the filter cake; the mixture was washed twice with methyl tert-butyl ether and dried to obtain 1.69 g of the product.
  • the filter cake was dissolved with an appropriate amount of 1/4 dichloromethane/methanol mixed solvent, and 200-300 mesh silica gel powder was added. The mixture was evaporated to dryness, and the sample was loaded by dry method. Column chromatography was performed with 3% methanol/dichloromethane as the eluent, and the target product was collected. The product was concentrated and dried to obtain 0.45g.
  • the reactants 69-259 (0.1 mmol), 70-68 (0.56 g, 0.48 mmol), HOBT (0.081 g, 0.6 mmol) and HBTU (0.227 g, 0.6 mmol) were placed in a reaction bottle, and an appropriate amount of DMF was added, and the mixture was dissolved with the aid of ultrasound. The mixture was stirred at 0 degrees Celsius for 3 min, and then DIEA (0.297 mml, 1.8 mmol) was added dropwise, and the mixture was taken out and stirred at room temperature overnight. After the reaction was completed, methyl tert-butyl ether (300 ml) was added, and the solid was precipitated. The solid was filtered, and the filter cake was collected and dried to obtain 1.25 g of the product.
  • the reactants 69-278 (0.1 mmol), 76-93 (0.56 g, 0.48 mmol), HOBT (0.081 g, 0.6 mmol) and HBTU (0.227 g, 0.6 mmol) were placed in a reaction bottle, DMF (50 ml) was added for ultrasonic dissolution, the mixture was placed at 0 degrees Celsius for stirring, DIEA (0.297 ml, 1.8 mmol) was added dropwise, the mixture was placed at room temperature, and the reaction was continued with stirring overnight. After the reaction was completed, methyl tert-butyl ether (300 ml) was added, solids precipitated, filtered, the filter cake was collected, and the filter cake was dried to obtain 1.25 g of the product.
  • 76-142 (0.0532 mmol) and anhydrous CuSO 4 (0.41 g, 2.55 mmol) were weighed and added to a flask containing anhydrous DMF (10 ml), and then 76-193 (0.96 g, 1.92 mmol) and sodium ascorbate (1.01 g, 5.11 mmol) were added. After dissolution with ultrasonic assistance, the mixture was stirred at room temperature under nitrogen protection overnight. After the reaction is completed, n-hexane (25 ml) and methyl tert-butyl ether (200 ml) are added for precipitation, and suction is filtered.
  • the solid is dissolved in dichloromethane, and then n-hexane (25 ml) and methyl tert-butyl ether (200 ml) are added for precipitation. This process is repeated 3 times, and suction is filtered to obtain a solid product.
  • the solid product is dissolved in a 1/4 methanol/dichloromethane mixed solvent, and silica gel powder is added. The product is evaporated to dryness, and the sample is loaded by dry method. Column chromatography is performed using a 1% ammonia water/5-7% methanol/dichloromethane mixed solvent as an eluent.
  • reaction solution transfer the reaction solution to a 1L separatory funnel, add 1N hydrochloric acid solution (150 ml) for extraction, collect the dichloromethane phase, wash it with sodium bicarbonate aqueous solution (150 ml ⁇ 2), and finally wash it with saturated sodium chloride aqueous solution, collect the dichloromethane phase, evaporate to dryness, and put it into a vacuum oven for drying to obtain 2.17 g of the product.
  • 1N hydrochloric acid solution 150 ml
  • sodium bicarbonate aqueous solution 150 ml ⁇ 2
  • saturated sodium chloride aqueous solution collect the dichloromethane phase, evaporate to dryness, and put it into a vacuum oven for drying to obtain 2.17 g of the product.
  • Succinic anhydride (2.06 g, 20.640 mmol) and pyridine (20 ml) were added to a reaction bottle containing 75-228 (2.17 g, 3.44 mmol) to dissolve with ultrasonic assistance, and then DMAP (0.84 g, 6.880 mmol) was added, and the mixture was placed in a 45°C oil bath and stirred overnight. After the reaction was complete as observed by TLC plate, a large amount of water was added to the reaction solution, and the pH of the solution was adjusted to 2 with hydrochloric acid. Solid precipitates were separated, filtered, and the filter cake was dried in a vacuum oven for 4 hours to obtain 3.76 g of the product.
  • Dichloromethane and toluene (0.2 ml) were added, and it was evaporated to dryness after ultrasonic treatment. This operation was repeated 5 times. Dichloromethane was added again to dissolve it with the assistance of ultrasonic wave, and it was evaporated to dryness. This operation was repeated 5 times. Finally, 1.6 g of the product was obtained by concentration and drying.
  • n-hexane (30 ml) and methyl tert-butyl ether (200 ml) were added for sedimentation, the supernatant was poured out, and n-hexane and methyl tert-butyl ether were added for sedimentation. This was repeated 5 times, and a solid product was obtained by suction filtration. The filter cake was collected and dried in a vacuum oven to obtain 1.08 g of the product.
  • reaction solution was transferred to a 1L separatory funnel, and deionized water (250 ml) and ethyl acetate (200 ml) were added for extraction to obtain an organic phase (solid product precipitated), and the aqueous phase was extracted with ethyl acetate (200 ml ⁇ 2).
  • the organic phases were combined and concentrated by vacuum rotary evaporation.
  • the solid product was dissolved in a 4/1 dichloromethane/methanol mixed solvent, silica gel powder was added, evaporated to dryness, and dry-loaded. Column chromatography was performed using a 2-6% methanol/dichloromethane mixed solution as the eluent, and the product was collected.
  • methyl tert-butyl ether (150 ml) and n-hexane (80 ml) were used for sedimentation, the supernatant was poured off, and then methyl tert-butyl ether (150 ml) and n-hexane (80 ml) were added for sedimentation, and this was repeated 5 times, and finally filtered and dried to obtain 0.24 g of the product.
  • the obtained solid is dissolved in a mixed solvent, silica gel powder is added and evaporated, dry-loaded, and column chromatography is performed with 1% ammonia water/5-10% methanol/dichloromethane as eluent, and the product 1.46g is collected and dried.
  • 75-224 (1.46 g, 0.0437 mmol), 70-68 (0.066 g, 0.0961 mmol), HBTU (0.049 g, 0.1311 mmol) and HOBT (0.017 g, 0.1311 mmol) were added to 250 ml, and DMF (7 ml) was added to dissolve it. The reaction was stirred at room temperature for about 20 minutes, and then DIEA (0.1 ml, 0.3935 mmol) was slowly added dropwise. After the addition was complete, the mixture was stirred overnight at room temperature. Then TLC was observed.
  • Dissolve 75-235 (0.04 g, 0.000679 mmol) in THF (1 ml), add TBAF (0.1 g, 0.326 mmol) and react for 2 h, then concentrate under reduced pressure, precipitate with methyl tert-butyl ether (150 ml) and n-hexane (70 ml), discard the supernatant, precipitate with methyl tert-butyl ether (150 ml) and n-hexane (70 ml), repeat this process 3 times. Filter and dry to obtain 0.04 g of the product.
  • 74-182 (10.563 g, 16.108 mmol) was placed in a 500 ml round-bottom flask, ultrasonically dissolved with acetonitrile (50 ml), and then diethylamine (23.562 ml, 322.16 mmol) was added, and stirred at room temperature for 2 h.
  • 74-183 (1.5 g, 3.459 mmol), pteroic acid (0.981 g, 3.144 mmol, Shanghai Hengxin), HBTU (1.788 g, 4.716 mmol) and HOBT (0.637 g, 4.716 mmol) were placed in a 250 ml round-bottom flask and then DMSO (30 ml) was added to dissolve, and DIEA (1.588 ml, 9.432 mmol) was slowly added dropwise at room temperature to continue the reaction. After the reaction was completed, methyl tert-butyl ether (450 ml) was added to precipitate, and the solid was precipitated and filtered.
  • 74-184 (5 g, 4.25 mmol) was placed in a 500 ml round-bottom flask, and then dichloromethane (4 ml) and TFA (2 ml) were added to react under stirring at room temperature. After the reaction was completed, dichloromethane and most of TFA were removed by rotary evaporation, and methyl tert-butyl ether (150 ml) was added to precipitate. Solids were precipitated, treated with ultrasonic waves, allowed to stand, the supernatant was discarded, filtered, and dried to obtain 3.8 g of the product.
  • 74-152 (1.847 g, 2.362 mmol) was placed in a 100 ml round-bottom flask, DMF (5 ml) was added to dissolve, and then diethylamine (3.455 ml, 47.24 mmol) was added and stirred at room temperature for reaction. After the reaction was completed, methyl tert-butyl ether was added for precipitation, ultrasonic treatment was performed, and the mixture was allowed to stand, filtered, and dried to obtain 0.978 g of the product, with a yield of 73.97%.
  • 74-172 (0.978 g, 1.747 mmol), 88-14 (0.617 g, 1.747 mmol), HBTU (0.861 g, 2.271 mmol) and HOBT (0.306 g, 2.271 mmol) were placed in a 100 ml round bottom flask, and DMF (15 ml) was added to dissolve with ultrasonic assistance.
  • DIEA (0.866 ml, 5.241 mmol) was added dropwise in an ice water bath, and the mixture was placed at room temperature after the addition, and stirred for 2 h.
  • methyl tert-butyl ether 200 ml was added for precipitation, and the mixture was treated with ultrasonic waves and allowed to stand, and the supernatant was poured out. This was repeated 4 times until the product became a viscous oil.
  • Add an appropriate amount of methanol/dichloromethane mixed solvent to dissolve add 200-300 mesh silica gel powder and evaporate to dryness, dry sample, use 2-4% methanol/dichloromethane as eluent for column chromatography, collect the target product, concentrate and evaporate to dryness to obtain 1.23g of product, with a yield of 78.69%.
  • 74-173 (3.54 g, 3.961 mmol) was placed in a 100 ml round-bottom flask, DMF (10 ml) was added to dissolve, and then diethylamine (5.794 ml, 79.22 mmol) was added and stirred at room temperature for reaction. After the reaction was completed, methyl tert-butyl ether (200 ml) was added for precipitation, ultrasonic treatment was performed, and the mixture was allowed to stand, filtered, and dried to obtain 1.7 g of the product, with a yield of 63.83%.
  • Paclitaxel (5g, 5.86mmol, abbreviated as PTX), succinic anhydride (2.1g, 21.096mmol) and DMAP (0.024g, 0.3876mmol) were placed in a 250ml flask, and a 11/1 mixed solution of anhydrous dichloromethane and DMA (24ml) was added, and the mixture was dissolved with ultrasonic assistance, and stirred at room temperature overnight.
  • 77-163 (2.24 g, 2.34 mmol), NHS (0.355 g, 3.0888 mmol) and DCC (0.618 g, 2.9952 mmol) were placed in a 100 ml flask, and dichloromethane (10 ml) was added to dissolve, and the mixture was stirred at room temperature for overnight reaction. After the reaction was completed, the mixture was filtered, and silica gel powder was added to the filtrate, concentrated, dried, and dry-loaded. Column chromatography was performed using a 1-2% methanol/dichloromethane mixed solvent as the eluent, and the target product was collected. The product was concentrated and dried to obtain 2.47 g.
  • 74-214 (0.58 g, 0.31 mmol), 76-93 (2.68 g, 1.86 mmol), HBTU (0.962 g, 2.538 mmol) and HOBT (0.342 g, 2.538 mmol) were placed in a 100 ml round bottom flask, and then DMF (8 ml) and NMP (8 ml) were added, and ultrasonic waves were used to assist in dissolution. The mixture was stirred at 0°C for 3 minutes, and DIEA (0.83 g, 5.07 mmol) was added dropwise, and the mixture was taken out after 3 minutes, and the reaction was stirred at room temperature.
  • methyl tert-butyl ether 150 ml was added to the reaction solution to precipitate solids, which were filtered off with suction.
  • the filter cake was dissolved with an appropriate amount of 1/4 methanol/dichloromethane mixed solvent, and then 100-200 mesh silica gel powder was added and evaporated to dryness.
  • the sample was loaded by dry method and column chromatography was performed with 1% ammonia water/5-9% methanol/dichloromethane as eluent. The product was collected, concentrated and evaporated to dryness to obtain 1.7 g of the product.
  • the raw material 74-215 (1.3 g, 0.124 mmol) and 10% Pd/C catalyst (100 mg) were added to the hydrogenation reaction device, and then methanol (30 ml) was added to dissolve it.
  • the hydrogenation reaction device was closed, filled with hydrogen, and then emptied of hydrogen. This was repeated 5 times, and then filled with hydrogen to 2 MPa.
  • the mixture was stirred in an oil bath at 50°C overnight to react. After the reaction was completed, the mother liquor was filtered with a Buchner funnel containing filter paper, evaporated under reduced pressure, and dried to obtain 1.23 g of the product.
  • 74-216 (1.23 g, 0.124 mmol) was placed in a 100 ml round-bottom flask and then ultra-dry DMF (15 ml) was added, and the mixture was dissolved with ultrasound. Then, the mixture was stirred at 0°C for 3 minutes, and DIEA (0.614 g, 3.72 mmol) was slowly added dropwise. After stirring for 3 minutes, Y-NHS-10K (3.86 g, 0.375 mmol, purchased from Jiankai, batch number ZZ403P059) was added, and the mixture was stirred at room temperature at a low speed in the dark. After the reaction was completed, methyl tert-butyl ether (450 ml) was added to the reaction solution, and the solid was precipitated, filtered, and the filter cake was dried to obtain 4.5 g of the product.
  • 74-217 (4 g, 0.098 mmol), 74-223 (0.263 g, 0.392 mmol), HBTU (0.148 g, 0.392 mmol) and HOBT (0.052 g, 0.392 mmol) were placed in a 100 ml round-bottom flask and then DMF (10 ml) was added, and after ultrasonic dissolution, the mixture was stirred at 0°C for 3 minutes.
  • DIEA 0.194 g, 1.176 mmol
  • methyl tert-butyl ether (450 ml) was added to the reaction solution, and the solid precipitated.
  • the solid was filtered off with suction, and the filter cake was re-dissolved with an appropriate amount of 1/4 methanol/dichloromethane mixed solvent.
  • 100-200 mesh silica gel powder was added and evaporated to dryness.
  • the sample was loaded by dry method and column chromatography was performed with 1% ammonia water/3-8% methanol/dichloromethane as eluent.
  • the target product was collected, concentrated and dried to obtain 1.74 g of the product.
  • 74-228 (0.92 g, 0.024 mmol) was placed in a 100 ml round-bottom flask, and DMF (10 ml) was added. The solution was dissolved with ultrasound, and stirred at 0 ° C for 3 minutes. DIEA (0.119 g, 0.72 mmol) and 77-164 (0.75 g, 0.72 mmol) were slowly added dropwise, and the mixture was taken out after 3 minutes. The mixture was stirred and reacted overnight at room temperature. After the reaction was completed, methyl tert-butyl ether (150 ml) was added to the reaction solution, and solids precipitated. The mixture was allowed to stand at room temperature for 4 hours, and the supernatant was poured out.
  • 74-229 (1.46 g, 0.024 mmol) and TSTU (0.014 g, 0.048 mmol) were placed in a 100 ml round-bottom flask, DMF (10 ml) was added to dissolve, and triethylamine (0.1 ml) was added, and the mixture was stirred at room temperature for reaction. After the reaction was completed, n-hexane (10 ml) and methyl tert-butyl ether (50 ml) were added, and solids were precipitated. The mixture was allowed to stand for 1 hour, and the supernatant was poured out. This was repeated 4 times, and the product (1.26 g) was obtained by suction filtration and drying the filter cake.
  • 74-230 (1 g, 0.016 mmol) was placed in a 100 ml round bottom flask and then DMF (10 ml) was added. The mixture was dissolved with ultrasonic wave and stirred at 0°C for 3 minutes. DIEA (0.0074 ml, 0.0576 mmol) was added dropwise, and 74-185 (0.01 g, 0.0176 mmol) was added. The mixture was stirred at room temperature for reaction. After the reaction was completed, methyl tert-butyl ether (450 ml) and n-hexane (50 ml) were added to the reaction solution. Solids precipitated. After standing for 4 hours, the supernatant was poured out.
  • the solids were dissolved with an appropriate amount of dichloromethane, and silica gel powder (100-200 mesh) was added and evaporated to dryness.
  • the sample was loaded by dry method and column chromatography was performed with 1% triethylamine/5% methanol/dichloromethane as eluent.
  • the target product was collected, concentrated and evaporated to dryness to obtain 0.62 g of the product.
  • reaction solution was transferred to a 1L separatory funnel, and saturated brine (150 ml) and ethyl acetate (150 ml) were added to extract to obtain an organic phase, and the aqueous phase was extracted with ethyl acetate (150 ml).
  • n-hexane (30 ml) and methyl tert-butyl ether (100 ml) are added to settle, and the supernatant is poured out. This is repeated 3 times, and the solid product is filtered out.
  • the solid product is dissolved in a 20% methanol/dichloromethane mixed solvent, and silica gel powder is added to evaporate to dryness.
  • the sample is loaded by dry method, and column chromatography is performed using a 1% ammonia water/7-15% methanol/dichloromethane mixed solution as an eluent.
  • Methyl tert-butyl ether and n-hexane were added for sedimentation, the supernatant was poured out, and methyl tert-butyl ether and n-hexane were added. This was repeated three times, and finally filtered and dried to obtain 0.17 g of the product.
  • the reactants 85-96 (0.126 g, 0.0025 mmol) and DOX (0.034 g, 0.06 mmol) were placed in a reaction flask, methanol (20 ml) was added to dissolve, and TFA (0.003 ml, 0.0375 mmol) was added, and the mixture was stirred at room temperature, and the reaction progress was monitored by TLC. After completion, the solid in the reaction solution was filtered, the filtrate was evaporated to dryness using a rotary evaporator, and methyl tert-butyl ether was used to precipitate to form a powdery solid, which was filtered and the filter cake was collected.
  • n-hexane (250 ml) and methyl tert-butyl ether (70 ml) were added for sedimentation, the supernatant was poured out, and n-hexane and methyl tert-butyl ether were added for sedimentation, and this was repeated 4 times.
  • the solid product was obtained by suction filtration, and the solid product was dissolved in a 20% methanol/dichloromethane mixed solvent, and silica gel powder was added to evaporate to dryness.
  • the sample was loaded by dry method, and column chromatography was performed using a 2-5% methanol/dichloromethane mixed solution as an eluent.
  • reaction solution was transferred to a 1L separatory funnel, saturated sodium chloride solution (200 ml) and ethyl acetate (150 ml) were added for extraction to obtain an organic phase, and the aqueous phase was extracted with ethyl acetate (200 ml x 2).
  • the combined organic phases were washed with deionized water (250 ml x 2).
  • the organic phase was concentrated, evaporated to dryness to solid, and dried in a vacuum oven to obtain 0.68 g of the product with a yield of 68.0%.
  • Dichloromethane and toluene (0.2 ml) were added for ultrasonication, and the product was evaporated to dryness again. This process was repeated 5 times. Dichloromethane was added for ultrasonication and dissolved, and the product was evaporated to dryness again. This process was repeated 5 times. The product was dried in a vacuum oven to obtain 0.33 g of the product.
  • methyl tert-butyl ether (200 ml) and n-hexane (70 ml) were added for precipitation, and the solid was precipitated, filtered, and the filter cake was washed with methyl tert-butyl ether (40 ml x 3), and the filter cake was collected and dried in a vacuum oven to obtain 1.06 g of the product.
  • n-hexane (250 ml) and methyl tert-butyl ether (70 ml) were added to settle, the supernatant was poured out, and n-hexane and methyl tert-butyl ether were added to settle, and this was repeated 5 times.
  • the solid product was obtained by filtration, and the solid product was dissolved in a mixed solvent of dichloromethane and methanol, and the sample was dry loaded, and column chromatography was performed using a 10% methanol/dichloromethane mixed solution as an eluent to collect the target product, concentrate it, and dry it in a vacuum oven to obtain 0.53 g of the product.
  • TFA (0.5 ml, 0.9153 mmol) was added to a flask containing 71-295 (0.53 g, 0.0114 mmol), and the mixture was dissolved with ultrasound. The mixture was stirred and reacted overnight at room temperature. After the reaction, the reaction solution was concentrated and evaporated to remove most of the TFA, and then precipitated with methyl tert-butyl ether (300 ml) to precipitate the solid product. The solid product was filtered and the filter cake was washed with methyl tert-butyl ether (40 ml ⁇ 3). The filter cake was collected and dried under vacuum to obtain 0.5 g of the product.
  • n-hexane (150 ml) and methyl tert-butyl ether (100 ml) were added for sedimentation, the supernatant was poured out, and n-hexane and methyl tert-butyl ether were added for sedimentation, and this was repeated 3 times.
  • the solid product was obtained by filtration, and the solid product was dissolved in a dichloromethane/methanol mixed solvent, and the sample was dry loaded, and column chromatography was performed using a 1% ammonia water/5-8% methanol/dichloromethane mixed solution as an eluent to collect the target product, concentrate, and dry in a vacuum oven to obtain 0.31 g of the product.
  • TFA (0.1 ml, 0.9577 mmol) was added to a flask containing 85-23 (0.31 g, 0.0059 mmol), and dissolved with ultrasound. The reaction was stirred at room temperature overnight. After the reaction was completed, the reaction solution was concentrated to remove most of the TFA, and methyl tert-butyl ether (200 ml) and n-hexane (100 ml) were added for sedimentation. The supernatant was poured out, and then methyl tert-butyl ether (200 ml) and n-hexane (100 ml) were used for sedimentation to precipitate a solid product, which was filtered by suction. The filter cake was washed six times with methyl tert-butyl ether (40 ml), and the filter cake was collected and vacuum dried to obtain 0.27 g of the product.
  • TFA (0.2 ml, 0.7299 mmol) was added to a 250 ml flask containing raw material 75-182 (0.39 g, 0.00912 mmol), stirred for 2 hours, and observed by TLC. After the reaction was completed, the mixture was concentrated under reduced pressure, methyl tert-butyl ether and n-hexane were added for precipitation, and the supernatant was poured out. This was repeated 3 times. 0.34 g of the product was obtained by suction filtration and drying.
  • 77-135 (0.8 g, 0.3601 mmol), TFA (0.268 mL, 3.601 mmol) and dichloromethane (5 mL) were placed in a 250 mL flask to dissolve, and the reaction was stirred at room temperature until completion. After the reaction was completed, the reaction solution was concentrated under reduced pressure, and then n-hexane (20 mL) and methyl tert-butyl ether (50 mL) were added to settle, the supernatant was poured out, and n-hexane and methyl tert-butyl ether were added to settle, and this was repeated 3 times. Finally, the solid product was obtained by suction filtration, and the product 0.9605 g was obtained by vacuum oven drying.
  • n-hexane (25 ml) and methyl tert-butyl ether (200 ml) are added for precipitation, the supernatant is poured out, and n-hexane and methyl tert-butyl ether are added for precipitation. This process is repeated three times.
  • the solid product is obtained by suction filtration, and then dissolved with a 1/4 methanol/dichloromethane mixed solution.
  • Silica gel powder (100 ml) is added and evaporated to dryness to obtain a powdery solid.
  • the solid is dry-loaded and column chromatography is performed using 3-5% CH 3 OH/CH 2 Cl 2 as the eluent.
  • the product is collected, concentrated, and dried in a vacuum oven to obtain 3.8 g of the product.
  • the solid product was obtained by suction filtration, and then dissolved in a 1/4 methanol/dichloromethane mixed solvent, silica gel powder (100ml) was added, and evaporated to dryness to form a powdery solid. Dry loading was performed, and column chromatography was performed using 3-8% CH 3 OH/CH 2 Cl 2 and 0.5% ammonia water/8% CH 3 OH/CH 2 Cl 2 as eluents. The product was collected, concentrated, and dried in a vacuum oven to obtain 0.9g of the product with a yield of 19%.
  • 74-171 (1.5 g, 1.818 mmol) was placed in a 500 ml round-bottom flask, 4 M HCl-dioxane (10 ml) was added to dissolve with ultrasonic assistance, and the mixture was stirred at room temperature for reaction. After the reaction was completed, the mixture was concentrated and evaporated to dryness, and methyl tert-butyl ether (50 ml) was added to treat with ultrasonic waves, and rotary evaporation was repeated several times until the product became a viscous oil. The product was dried to obtain 1.31 g.

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Abstract

本申请涉及一种聚乙二醇药物及其制备方法和应用。具体地,本申请涉及式I所示化合物或其药学上可接受的盐,其中间体化合物式II-式XX,制备所述化合物的方法,以及在抗肿瘤中的应用。生物测试表明本申请化合物对乳腺癌、非小细胞肺癌、黑色素瘤、口腔鳞状细胞癌和骨肉瘤等肿瘤具有显著抑制作用。

Description

一种聚乙二醇药物及其制备方法和应用
本申请是以CN申请号为202310714197.4,申请日为2023年6月15日的申请为基础,并主张其优先权,该CN申请的公开内容在此作为整体引入本申请中。
技术领域
本申请涉及医药化学领域,具体涉及聚乙二醇药物及其制备方法和应用。
背景技术
过去30年以来,在聚乙二醇药物领域,美国FDA已经批准了30款上市药进入市场销售,还有40多款临床新药在一二三期临床试验及NDA过程中,其中半数为聚乙二醇小分子药物。聚乙二醇(PEG)无可争议地是临床上最成功的人造高分子载体,即所谓的“黄金标准”载体,且聚乙二醇药物正在从聚乙二醇大分子药物向聚乙二醇小分子药物方向进行转移,而小分子药物占药物市场的80-90%。随着重庆阿普格雷生物科技有限公司的聚乙二醇小分子双药、带主动靶向配件或增强剂的聚乙二醇化小分子药物的成功研发,再加上聚乙二醇化技术除了用于抗肿瘤药物领域之外,还适用于抗感染、痛风、关节炎、疼痛等炎症领域,也可应用于糖尿病领域,可以衍生出数以百计的产品管线,可望形成千亿美金级的庞大产业。
最近,澳大利亚的STARPHARMA公司的聚乙二醇-赖氨酸树枝状多肽-化疗药单药(包括卡巴紫杉醇、多西紫杉醇和伊立替康),二期临床验证疗效优异,毒副作用大幅度降低,ASTRAZENECA、MERCK、ROCHE/GENENTECH等药界巨头开始加入这一领域的研发。重庆阿普格雷生物科技有限公司也合成出了聚乙二醇-谷氨酸、天冬氨酸、赖氨酸等多肽-小分子药物(包括小分子单药、双药、多药、增强剂、主动靶向配件等)众多产品管线也展示出疗效显著提升、毒副作用大幅度降低的结果,也正在向临床推进。最近,WINDOW Tx/麻省理工学院(MIT)和哈佛大学(Harvard University)的科学家也发表了通过开环移位聚合(ROMP)合成瓶刷状聚乙二醇三药用于治疗多发性脊髓瘤的临床前动物实验结果。为了更加方便地合成各种比例的聚乙二醇双药或多药或带主动靶向配件的聚乙二醇药物,本申请设计了合成基于某些脂肪多胺或多羟基内核结构的聚乙二醇-多肽-小分子药物、主动靶向配件、硼试剂等各种化合物的方法并将这些化合物合成出来,生物测试表明这些化合物具有显著疗效。
发明内容
化合物
在一个方面,本申请提供通式I所示化合物或其药学上可接受的盐,
其中,
M为含有两个或两个以上(例如,2、3、4、5或6个)相同或不同的杂原子(例如,N、O或S)的烃基,并且M通过所述杂原子与L1和L1’连接;
各L1独立地选自1端同M相连,2端同L2相连;
各L1’独立地选自1端同M相连,2端同L3相连;并且,L1和L1’不同(例如,L1L1’为或者L1L1’为);
x1和x2在每次出现时各自独立地选自0、1、2、3、4、5、6、7、8、9和10;
各L2独立地选自Lys、Cys、Thr、Ser、Asp或Glu的残基;
各PEG独立地选自其数均分子量为5k-10k或10k-40k,例如为5k或10k;
各L3独立地为键或1端同L2或L1’连接,2端同L4连接,其中,各L31和L32独立地选自键和-NH(CH2)x3C(O)-,x3选自0、1、2、3、4、5、6、7、8、9和10,A1选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,r1选自1、2、3、4、5和6;
各L4独立地为键或1端同L3连接,2端同L5连接,其中,各L41和L42独立地选自键、-NH(CH2)x4C(O)-、-NH(CH2)x4NH-、-NH((CH2)2O)x4CH2CH2NH-和 -C(O)(CH2)x4C(O)-,A2和A3独立地选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,r2和r3各自独立地选自1、2、3、4、5和6;
各L5独立地为键或选自-NH-、肼基(即,-NH-N=)、氨基酸残基或其衍生物、由2个以上氨基酸组成的多肽片段或其衍生物、-NH(CH2)x5C(O)-、-NH(CH2)x5NH-、-NH((CH2)2O)x5CH2CH2NH-、-NH((CH2)2O)x5CO-、-C(O)(CH2)x5C(O)-、及上述选择的任意组合;或者,
L4和L5连接形成 优选地,L4和L5连接形成
x4和x5在每次出现时各自独立地选自0、1、2、3、4、5、6、7、8、9和10;
各D独立地选自细胞毒性药物基团,优选地,所述细胞毒性药物选自微管蛋白抑制剂、DNA嵌入剂、DNA拓扑异构酶抑制剂和RNA聚合酶抑制剂;优选地,所述细胞毒性药物选自PTX(紫杉醇)、PCB(帕布惜利布)、SN38(7-乙基-10-羟基-喜树碱)、NPB(Niraparib,MK-4827)、AXT(Axitinib)、LPT(拉帕替尼)、DOX(阿霉素)、Ac-C-PLGLAG-iRGD、叶酸、SB7(SB-743921)、IRN(Irinotecan)、十二氢十二硼酸钠、PPT-iRGD、1,2,3,4,5,6,7,8,9,10,11-十一氢-12-巯基十二硼10烷BSH(Sodium Mercaptododecaborate(10B))、
各n11和n12独立地选自1、2、3、4、5、6、7、8、9和10;
各n21和n22独立地选自1、2、3、4、5、6、7、8、9和10;
各n31和n32独立地选自1、2、3、4、5、6、7、8、9和10;
各y1和y2独立地选自1、2、3、4、5、6、7、8、9和10。
在一些实施方案中,M为含有两个或两个以上(例如,2、3、4、5或6个)相同或不同的杂原子(例如,N、O或S)的烃基,并且M通过所述杂原子与L1连接;
各L1独立地选自1端同M相连,2端同L2相连,其中,x1和x2各自独立地选自0、1、2、3、4、5、6、7、8、9和10;
各L1’独立地选自1端同M相连,2端同L3相连,其中,x1和x2各自独立地选自0、1、2、3、4、5、6、7、8、9和10;并且,L1和L1’不同;
各L2独立地选自Lys、Cys、Thr、Ser、Asp或Glu的残基;
各PEG独立地选自其数均分子量为5k-10k或10k-40k,例如为5k或10k;
各L3独立地为键或1端同L2连接,2端同L4连接,其中,各L31、L32和L33独立地选自键和-NH(CH2)x3C(O)-,x3选自0、1、2、3、4、5、6、7、8、9和10,A1选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,并且当A1为多肽片段或其衍生物时,A1与1个或2个以上L32连接;
各L4独立地为键或1端同L3连接,2端同L5连接,其中,各L41、L42和 L43独立地选自键、-NH(CH2)x4C(O)-、-NH(CH2)x6NH-、-NH(CH2O)x4CH2CH2NH-、-C(O)(CH2)x4C(O)-,x4选自0、1、2、3、4、5、6、7、8、9和10,A2和A3独立地选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,当A3为多肽片段或其衍生物时,A3与1个或2个以上L42连接;
各L5独立地为键或选自-NH-、肼基(即,-NH-N=)、氨基酸残基或其衍生物、由2个以上氨基酸组成的多肽片段或其衍生物、-NH(CH2)x5C(O)-、-NH(CH2)x5NH-、-NH(CH2O)x5CH2CH2NH-、-NH(CH2O)x5CO-、-C(O)(CH2)x5C(O)-、及上述选择的任意组合,其中各x5独立地选自0、1、2、3、4、5、6、7、8、9和10;或者,
L4和L5连接形成 优选地,L4和L5连接形成
各D独立地选自细胞毒性药物基团,优选地,所述细胞毒性药物选自微管蛋白抑制剂、DNA嵌入剂、DNA拓扑异构酶抑制剂和RNA聚合酶抑制剂;优选地,所述细胞毒性药物选自PTX(紫杉醇)、PCB(帕布惜利布)、SN38(7-乙基-10-羟基-喜树碱)、NPB(Niraparib,MK-4827)、AXT(Axitinib)、LPT(拉帕替尼)、DOX(阿霉素)、MI-AH-PLGLAG-iRGD、叶酸、SB7(SB-743921)、IRN(Irinotecan)、十二氢十二硼酸钠、PPT-iRGD、1,2,3,4,5,6,7,8,9,10,11-十一氢-12-巯基十二硼10烷BSH(Sodium Mercaptododecaborate(10B))、
各n11和n12独立地选自1、2、3、4、5、6、7、8、9和10;
各n21和n22独立地选自1、2、3、4、5、6、7、8、9和10;
各n31和n32独立地选自1、2、3、4、5、6、7、8、9和10;
各y1和y2独立地选自1、2、3、4、5、6、7、8、9和10。
在一些实施方案中,M为含有2-4个相同或不同的杂原子的C2-10烃基。
在一些实施方案中,M为含有2-4个独立选自N和O的杂原子的C2-6饱和烃基。
在一些实施方案中,M选自下述结构:
在一些实施方案中,各L1和L1’独立地选自
在一些实施方案中,L1L1’为
在一些实施方案中,L1L1’为
在一些实施方案中,M通过N原子和L1’连接,或者M通过O原子和L1’连接,优选地,M通过N原子和L1’连接。
在一些实施方案中,n11=1、2或3,且n11≤n12,优选地,n11=1,n12=2、3或4;n11=2,n12=3;或者n11=3,n12=3。
在一些实施方案中,各L2独立地为Lys的残基。
在一些实施方案中,当L3时,各L31和L32独立地选自键和-NH(CH2)x3C(O)-,x3选自0、1、2、3、4、5和6,A1选自键、氨基酸残基或其衍生物或者由2个以 上氨基酸组成的多肽片段或其衍生物,r1选自1、2、3、4、5和6。在一些实施方案中,A1选自Glu、Asp和GluGlu。
在一些实施方案中,各L3独立地为键或选自下述结构:
-NH(CH2)2C(O)-、
在一些实施方案中,当L4时,各L41和L42独立地选自键、-NH(CH2)x4C(O)-、-NH(CH2)x4NH-和-NH((CH2)2O)x4CH2CH2NH-和-C(O)(CH2)x4C(O)-,各x4独立地选自0、1、2、3、4、5和6,A2和A3独立地选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,r1选自1、2、3、4、5和6。在一些实施方案中,各A2和A3独立地选自Lys、Glu、Asp、GluGlu和Glu(Glu)2
在一些实施方案中,各L4独立地为键或选自下述结构:
LysNH(CH2)5COGlu(Glu)2、Lys(COC2H4CO)(NH(CH2CH2O)2CH2CH2NH)、-NH(CH2)5COGlu、-NH(CH2)5COGlu(Glu)2、-NH(CH2)5COGlu(Glu(NHCH2CH2NH)2)2、-NH(CH2)5COAsp和、-NH(CH2)5COGlu(Glu(NH(CH2CH2O)2CH2CH2NH)2)2
在一些实施方案中,各L4独立地为键或选自下述结构:
LysNH(CH2)5COGlu(Glu)2、Lys(COC2H4CO)(NH(CH2CH2O)2CH2CH2NH)、-NH(CH2)5COGlu、-NH(CH2)5COGlu(Glu)2、-NH(CH2)5COGlu(Glu(NHCH2CH2NH)2)2、-NH(CH2)5COAsp和-NH(CH2)5COGlu(Glu(NH(CH2CH2O)2CH2CH2NH)2)2
在一些实施方案中,L5中所述氨基酸选自Glu、Gly、Phe、Leu和Cys;优选地,所述由2个以上氨基酸组成的多肽选自GlyPheLeuGly、Glu(Glu(Gly)2)2;优选地,所述衍生物选自酰基化(例如乙酰化)或烷基化(例如甲基化)衍生物。
在一些实施方案中,L5选自键、-NH-N=、GlyPheLeuGly、-NH(CH2)x5C(O)-、-NH((CH2)2O)x5CH2CH2NH-、-NH((CH2)2O)x5CH2CH2NHGlu、 -NH(CH2)x5C(O)Glu(Glu(GlyNHN=)2)2、-NH((CH2)2O)x5CO-、-C(O)(CH2)x5C(O)-、-C(O)(CH2)x5C(O)-GlyPheLeuGly-和各x5独立地选自1、2、3、4、5和6。
在一些实施方案中,L5选自键、-NH-N=、GlyPheLeuGly、-NH(CH2)x5C(O)-、-NH(CH2O)x5CH2CH2NH-、-NH(CH2O)x5CH2CH2NHGlu、-NH(CH2)x5C(O)Glu(Glu(GlyNHN=)2)2、-NH(CH2O)x5CO-、-C(O)(CH2)x5C(O)-、-C(O)(CH2)x5C(O)-GlyPheLeuGly-和各x5独立地选自1、2、3、4、5和6。
在一些实施方案中,L5选自键、GlyPheLeuGly、-NH(CH2)5C(O)Glu(Glu(GlyNHN=)2)2、-NH(CH2)5C(O)-、-NH((CH2)2O)2CH2CH2NH-、-NH((CH2)2O)2CH2CH2NHGlu、-NH((CH2)2O)2CO-、-C(O)(CH2)2C(O)-、-C(O)(CH2)2C(O)-GlyPheLeuGly-和
在一些实施方案中,L5选自键、GlyPheLeuGly、-NH(CH2)5C(O)Glu(Glu(GlyNHN=)2)2、-NH(CH2)5C(O)-、-NH(CH2O)2CH2CH2NH-、-NH(CH2O)2CH2CH2NHGlu、-NH(CH2O)2CO-、-C(O)(CH2)2C(O)-、-C(O)(CH2)2C(O)-GlyPheLeuGly-和
在一些实施方案中,L4和L5连接形成
x4和x5在每次出现时各自独立地选自0、1、2、3、4、5、6、7、8、9和10。
在一些实施方案中,L4和L5连接形成
应当理解,此时通式I具有如下所示结构:
其中,L为前述L4和L5连接形成的结构,其余基团如前文任一项中所定义。
在本文中,所述D为所述细胞毒性药物通过其上的反应性基团与通式中其余部分连接后形成的基团。在一些实施方案中,所述反应性基团为氨基(-NH2)、二级胺、羟基(-OH)、巯基(-SH)、羧基(-COOH)等。
在一些实施方案中,所述D选自:

在一些实施方案中,通式I中的具有下述特征中的一种或多种:
1)L1’为且当L1’的1端为羰基时,L1的1端为亚烷基;当L1’的1端为亚烷基时,L1的1端为羰基;
2)L3为键或选自下述结构:
3)L4独立地为键或选自下述结构:
Lys(COC2H4CO)(NH(CH2CH2O)2CH2CH2NH)、-NH(CH2)5COGlu、-NH(CH2)5COGlu(Glu)2和-NH(CH2)5COGlu(Glu(NH(CH2CH2O)2CH2CH2NH)2)2
4)L5选自键、GlyPheLeuGly、-NH(CH2)5C(O)Glu(Glu(GlyNHN=)2)2、-NH(CH2)5C(O)-、-NH((CH2)2O)2CH2CH2NH-和-NH((CH2)2O)2CO-。
5)n11=1、2或3;
6)n21=1或2;
7)n31=1、2、3或4。
在一些实施方案中,通式I中的具有下述特征中的一种或多种:
1)L1且当L1的1端为亚烷基时,L1’的1端为羰基;当L1的1端为羰基时,L1’的1端为亚烷基;
2)L2为Lys的残基;
3)L3为键或选自下述结构:
-NH(CH2)2C(O)-、
4)L4独立地为键或选自下述结构:
LysNH(CH2)5COGlu(Glu)2、-NH(CH2)5COGlu(Glu(NHCH2CH2NH)2)2和-NH(CH2)5COGlu(Glu(NH(CH2CH2O)2CH2CH2NH)2)2
5)L5独立地选自下述结构:
GlyPheLeuGly、-NH(CH2)5C(O)Glu(Glu(GlyNHN=)2)2、-C(O)(CH2)2C(O)-、-C(O)(CH2)2C(O)-GlyPheLeuGly-和
6)n12=2、3或4;
7)n21=1、2或3;
8)n32=1、4或5。
在本文中,当通式中某一个二价或更高价态的基团其具体选择未标明其与其它相连基团的连接方向时,按照左侧末端与靠近M的基团连接,右侧末端与靠近D的基团连接。
在本文中,各通式中-y1D或-y2D表示一个L5可连接的D的数量分别为y1或y2
在本文中,当L5为-NH-N=或含-NH-N=的基团时,-NH-N=是L5与D连接后所形成的结构片段,在与D连接前(即当L5存在于本文所描述的化合物的中间体时),L5可以为-NH-NH-。
在本文中,如无相反公开,在制备所述化合物过程中所使用的氨基酸,以及所述化合物的结构式中的氨基酸残基为天然构型(L-型,甘氨酸Gly除外)。
在一些实施方案中,所述化合物选自:





















中间体
本申请通过独特的分子设计以及保护基化学制备了双药(或三药)聚乙二醇小分子,因此本申请还提供用于合成本申请所述化合物的中间体式II-XX化合物。
在一个方面,本申请提供通式II所示的化合物或其药学上可接受的盐,
其中,Pg1和Pg1’独立地为氢或氨基保护基,并且,Pg1和Pg1’不同;优选地,所述氨基保护基选自烷基类保护基(例如Bn、Trt、DMB或PMB)和烷氧羰基类保护基(例如Boc、Fmoc、Cbz或Teoc;优选地,Pg1为氢,Pg1’为氨基保护基;或者,Pg1为氨基保护基,Pg1’为氢;
其余基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:
在另一个方面,本申请提供通式III化合物或其药学上可接受的盐,
其中,各Pg3独立地为氢或选自氨基和羧基保护基,所述氨基保护基选自烷氧羰基类保护基,例如Boc、Fmoc、Cbz或Teoc;所述羧基保护基选自酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯;优选地,各Pg3独立地为氢或羧基保护基,例如酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯,优选叔丁酯或苄酯;优选地,各Pg3相同,优选均为叔丁酯或苄酯;
Pg4为氢或为L2的侧链保护基,优选地,所述保护基选自氨基保护基和羧基保护基,优选地,所述氨基保护基选自烷氧羰基类保护基,例如Boc、Fmoc、Cbz或Teoc,优选地,所述羧基保护基选自酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯,优选地,Pg4为氨基保护基,优选地,Pg4为Boc或Cbz;
Pg5为氢或氨基保护基,所述氨基保护基选自烷氧羰基类保护基,例如Boc、Fmoc、Cbz或Teoc;优选地,Pg5为氢或Fmoc;
其余基团定义其余基团定义如前文任一项中所定义。
在一些实施方案中,所述化合物选自:

在另一个方面,本申请提供通式IV化合物或其药学上可接受的盐,
其中,各Pg6和Pg7独立地为氢或选自氨基保护基,优选地,所述氨基保护基选自烷基类保护基(例如Bn、Trt、DMB或PMB)和烷氧羰基类保护基(例如Boc、Fmoc、Cbz或Teoc);
其余各基团如前文任一项中所定义。
在另一个方面,本申请提供通式V化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:
在另一个方面,本申请提供通式VI所示化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在另一个方面,本申请提供通式VII所示化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:
在另一个方面,本申请提供通式VIII所示的化合物或其药学上可接受的盐,
其中,各Pg2和Pg2’独立地为氢或羧基保护基,优选地,所述羧基保护基选自酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯;
优选地,Pg2为氢,Pg2’为羧基保护基;Pg2为羧基保护基,Pg2’为氢;或者,Pg2和Pg2’均为羧基保护基(例如,叔丁酯或苄酯),并且,Pg2和Pg2’不同;
其余基团定义如前文任一项中所定义。
在一些实施方案中,所述化合物选自:



在另一个方面,本申请提供通式IX所示化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:







在另一个方面,本申请提供通式X所示化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:



在另一个方面,本申请提供通式XI所示化合物或其药学上可接受的盐,
其中各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:

在另一个方面,本申请提供通式XII所示化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:

在另一个方面,本申请提供通式XIII所示化合物或其药学上可接受的盐,
其中各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:
在另一个方面,本申请提供通式XIV所示化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:
在另一个方面,本申请提供通式XV所示化合物或其药学上可接受的盐,
其中,Pg7’为氢或选自氨基和羧基保护基;优选地,所述氨基保护基选自烷基类保护基(例如Bn、 Trt、DMB或PMB)和烷氧羰基类保护基(例如Boc、Fmoc、Cbz或Teoc),所述羧基保护基选自酯类保护基(例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯);
其余基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:
在另一个方面,本申请提供通式XVI所示化合物或其药学上可接受的盐,
其中各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:

在另一个方面,本申请提供通式XVII所示化合物或其药学上可接受的盐,
其中,各Pg3’独立地为氢或选自氨基和羧基保护基,所述氨基保护基选自烷氧羰基类保护基,例如Boc、Fmoc、Cbz或Teoc;所述羧基保护基选自酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯;优选地,各Pg3独立地为氢或羧基保护基,例如酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯,优选叔丁酯或苄酯;优选地,各Pg3相同,优选均为叔丁酯或苄酯;
其余各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:

在另一个方面,本申请提供通式XVIII所述化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:

在另一个方面,本申请提供通式XIX所示化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:


在另一个方面,本申请提供通式XX所示化合物或其药学上可接受的盐,
其中,各基团如前文任一项中所定义。
在一些实施方案中,所述化合物选自:
药物组合物
在另一个方面,本申请提供一种药物组合物,其含有治疗和/或预防疾病有效量的本申请任一项所述的化合物或其药学上可接受的盐。
在一些实施方案中,所述组合物还含有一种或多种药学上可接受的辅料。
在一些实施方案中,所述药物组合物被制成注射剂的形式。
本申请进一步提供一种注射液,其包含本申请任一项所述的化合物或其药学上可接受的盐、或药物组合物。
在一些实施方案中,所述注射液以生理盐水作为载体。
医药用途和治疗方法
在另一个方面,本申请提供本文所描述化合物或其药学上可接受的盐在制备治疗和/或预防疾病(例如癌症)的药物中的用途。
在另一个方面,本申请提供本文所描述化合物或其药学上可接受的盐,其用于治疗和/或预防疾病(例如癌症)。
在另一个方面,本申请提供一种治疗和/或预防疾病(例如癌症)的方法,其包括向有此需要的受试者施用治疗和/或预防有效量的本文所描述的化合物或其药学上可接受的盐的步骤。
在本文中,所述癌症选自:结肠癌、白血病、淋巴瘤、膀胱癌、骨癌、脑瘤、髓母细胞瘤、胶质瘤、乳腺癌、腺瘤/类癌、肾上腺皮质癌、胰岛细胞癌、子宫颈癌、子宫内膜癌、卵巢癌、结肠直肠癌、皮肤癌、食管癌、眼癌、胆囊癌、胃癌、头颈癌、肝癌、黑色素瘤、卡波氏肉瘤、肾癌、口腔癌、肺癌、鼻咽癌、神经母细胞瘤、卵巢癌、胰腺癌、甲状腺癌、甲状旁腺阴茎癌、前列腺癌、尿道癌、阴道癌、外阴癌、肛门癌、肉瘤,以及所述癌症的转移。
制备方法
在另一个方面,本申请还涉及本申请所述中间体(包括通式II-通式XX任一项所述的化合物或其药学上可接受的盐)在制备药物中的用途。在一些实施方案中,所述药物选自本申请所述通式I化合物或其药学上可接受的盐。
进一步,本申请提供制备所述通式I化合物及其中间体的方法。
在一些实施方案中,以式II化合物为原料,选择性接入L1或L1’片段,得到式XIX或XX化合物。进一步地,将式XIX或XX化合物接入L1’或L1片段,得到式VIII化合物。
在一些实施方案中,将L2片段和L3片段连接得到式III化合物。
在一些实施方案中,将L4片段和L5片段连接得到式IV化合物。
在一些实施方案中,通过以下方法得到式V化合物:
(1)式III化合物和式IV化合物反应;
(2)式III化合物依次连接L4片段和L5片段;
(3)式IV化合物依次连接L3片段和L2片段。
在一些实施方案中,式VIII化合物和式III化合物反应,或者依次和L2片段和L3片段反应,得到式IX化合物。
在一些实施方案中,将式IX化合物接入L4片段,得到所述式X化合物。
在一些实施方案中,将式IX化合物和式IV化合物反应,得到所述式XI化合物。
在一些实施方案中,将式VIII化合物接入L3片段,或者,将式XIX化合物和L1’-L3片段连接, 得到式XIII化合物。
在一些实施方案中,将式VIII化合物接入L5-y1D片段,得到所述式XIV化合物,其中L3和L4均为键。
在一些实施方案中,通过以下方法得到所述式XV化合物:
(1)将式IX化合物依次接入L3片段、L4片段和L5片段;
或者,(2)将式IX化合物和片段反应。
在一些实施方案中,将式XIV化合物和式III化合物反应,得到所述式XVI化合物。
在一些实施方案中,将式XIII化合物和式V化合物反应,得到所述式XVII化合物。
在一些实施方案中,将式XIV化合物和式VII化合物反应,得到所述式XVIII化合物。
在上述各实施方案中,各片段包括其保护形式或脱保护形式。保护基团的选择可依据本领域普通技术知识确定,或者如前文中定义。
在上述实施方案中,在各反应之前或之后,任选地包括氨基或羧基保护,或者氨基或羧基脱保护的步骤。
在一些实施方案中,制备所述通式I化合物的方法选自以下路线:
路线1:
(1)将式XII化合物与连有活化基团的PEG反应,得到中间体1-1;
(2)将步骤(1)得到的中间体1-1与反应,得到所述通式I化合物;
路线2:
(1)将式IX化合物与连有活化基团的PEG反应,得到中间体2-1;
(2)将步骤(1)得到的中间体2-1直接与反应,或分步连接的片段(例如,分步连接L3、L4、L5和D,或L3-(L4)n21、L5和D,或L3-(L4)n21、L5-y1D,或L3-(L4-(L5)n31)n21和D),得到中间体2-2;
(3)将步骤(2)得到的中间体2-2直接与式VI化合物反应,或分步与式IV化合物和所述细胞 毒性药物反应,或分步连接L4、L5-y2D,或分步连接L4、L5和D,得到式I化合物;
或者,调换步骤(2)和步骤(3)的顺序;
路线3:
(1)将路线2步骤(1)得到的中间体2-1与式VI化合物反应,得到中间体3-1;
(2)将步骤(1)得到的中间体3-1与反应,得到所述式I化合物;
路线4:
(1)将式X化合物与连有活化基团的PEG反应,得到中间体4-1;
(2)将步骤(1)得到的中间体4-1与反应,得到中间体4-2,其中,n31’+n31”=n31
(3)将步骤(2)得到的中间体4-2与H-L5-y2D反应,得到中间体4-3;
(4)将步骤(3)得到的中间体4-3与H-L5-y1D反应,得到所述式I化合物;
或者,将步骤(2)中替换为此时将不再进行步骤(4);
或者,以式XII化合物为原料,进行步骤(1)、(2)和(4),得到所述式I化合物;
路线5:
(1)将式XI化合物与连有活化基团的PEG反应,得到中间体5-1;
(2)将步骤(1)得到的中间体5-1直接与反应或分步连接的片段(例如,分步连接L3、L4、L5和D,或L3-(L4)n21、L5和D,或L3-(L4)n21、L5-y1D,或L3-(L4-(L5)n31)n21和D),得到中间体5-2;
(3)将步骤(2)得到的中间体5-2与所述细胞毒性药物反应,得到所述式I化合物;
路线6:
(1)将式XIV化合物与式VII化合物反应得到中间体6-1;
(2)将步骤(1)所得中间体6-1与连有活化基团的PEG反应,得到所述式I化合物;
路线7:
(1)将式XIII化合物与连有活化基团的PEG反应,得到中间体7-1;
(2)将步骤(1)所得中间体7-1与H-L4反应,得到中间体7-2;
(3)将步骤(2)所得中间体7-2与反应,得到中间体7-3;
(4)将步骤(3)所得中间体7-3与L5-y2Pg7或L5’-y2Pg7反应,得到中间体7-4;
(5)将步骤(4)所得中间体7-4与所述细胞毒性药物或L5”-y2D反应,得到所述式I化合物;其中,L5’和L5”连接形成所述L5
路线8:
(1)将式XV化合物与连有活化基团的PEG反应,得到中间体8-1;
(2)将步骤(1)所得中间体8-1与式VI化合物反应,得到中间体8-2;
(3)将步骤(3)所得中间体8-2与所述细胞毒性药物反应,得到所述式I化合物;
路线9:
(1)将式XVII化合物与连有活化基团的PEG反应,得到中间体9-1;
(2)将步骤(1)得到的中间体9-1与H-L5-y1D反应,得到中间体9-2;
(3)将步骤(2)得到的中间体9-2与所述细胞毒性药物反应,得到所述通式I化合物;
路线10:
(1)将式XIV化合物与式III化合物反应,得到中间体10-1;
(2)将步骤(1)所得中间体10-1与连有活化基团的PEG反应,得到中间体10-2;
(3)将步骤(2)所得中间体10-2与H-L4-n32Pg6’反应,得到中间体10-3;
(4)将步骤(3)所得中间体10-3与H-L5-y2D反应,得所述式I化合物;
任选地,在进行路线1-10任一步所述反应之前或之后,还包括脱除保护基和/或活化(例如羰基活化)的步骤;
优选地,PEG活化基团为
其余各化合物及基团如前文任一项中所定义。
术语定义
除非在下文中另有定义,本文中所用的所有技术术语和科学术语的含义意图与本领域技术人员通常所理解的相同。提及本文中使用的技术意图指在本领域中通常所理解的技术,包括那些对本领域技术人员显而易见的技术的变化或等效技术的替换。虽然相信以下术语对于本领域技术人员很好理解,但仍然阐述以下定义以更好地解释本发明。
术语“包括”、“包含”、“具有”、“含有”或“涉及”及其在本文中的其它变体形式为包含性的(inclusive)或开放式的,且不排除其它未列举的元素或方法步骤。
如本文中所使用的,术语“药学上可接受的载体”是指在药理学和/或生理学上与受试者和活性成分相容的载体,其是本领域公知的(参见例如Remington’s Pharmaceutical Sciences.Edited by Gennaro AR,19th ed.Pennsylvania:Mack Publishing Company,1995),并且包括但不限于:pH调节剂,表面活性剂,佐剂,离子强度增强剂,稀释剂,维持渗透压的试剂,延迟吸收的试剂,防腐剂。例如,pH调节剂包括但不限于磷酸盐缓冲液。表面活性剂包括但不限于阳离子,阴离子或者非离子型表面活性剂,例如Tween-80。离子强度增强剂包括但不限于氯化钠。防腐剂包括但不限于各种抗细菌试剂和抗真菌试剂,例如对羟苯甲酸酯,三氯叔丁醇,苯酚,山梨酸等。维持渗透压的试剂包括但不限于糖、NaCl及其类似物。延迟吸收的试剂包括但不限于单硬脂酸盐和明胶。稀释剂包括但不限于水,水性缓冲液(如缓冲盐水),醇和多元醇(如甘油)等。防腐剂包括但不限于各种抗细菌试剂和抗真菌试剂,例如硫柳汞,2-苯氧乙醇,对羟苯甲酸酯,三氯叔丁醇,苯酚,山梨酸等。稳定剂具有本领域技术人员通常理解的含义,其能够稳定药物中的活性成分的期望活性,包括但不限于谷氨酸钠,明胶,SPGA,糖类(如山梨醇,甘露醇,淀粉,蔗糖,乳糖,葡聚糖,或葡萄糖),氨基酸(如谷氨酸,甘氨酸),蛋白质(如干燥乳清,白蛋白或酪蛋白)或其降解产物(如乳白蛋白水解物)等。
如本文中所使用的,术语“预防”是指,为了阻止或延迟疾病或病症或症状(例如,肿瘤)在受试者体内的发生而实施的方法。
如本文中所使用的,术语“治疗”是指,为了获得有益或所需临床结果而实施的方法。为了本发明的目的,有益或所需的临床结果包括但不限于,减轻症状、缩小疾病的范围、稳定(即,不再恶化)疾病的状态,延迟或减缓疾病的发展、改善或减轻疾病的状态、和缓解症状(无论部分或全部),无论是可检测或是不可检测的。此外,“治疗”还可以指,与期望的存活期相比(如果未接受治疗),延长存活期。
如本文中使用的,术语“受试者”是指哺乳动物,例如灵长类哺乳动物,例如人。在某些实施方式中,所述受试者(例如人)患有肿瘤,或者,具有患有上述疾病的风险。
如本文中所使用的,术语“有效量”是指足以获得或至少部分获得期望的效果的量。例如,预防疾 病(例如,肿瘤)有效量是指,足以预防,阻止,或延迟疾病(例如,肿瘤)的发生的量;治疗疾病有效量是指,足以治愈或至少部分阻止已患有疾病的患者的疾病和其并发症的量。测定这样的有效量完全在本领域技术人员的能力范围之内。例如,对于治疗用途有效的量将取决于待治疗的疾病的严重度、患者自己的免疫系统的总体状态、患者的一般情况例如年龄,体重和性别,药物的施用方式,以及同时施用的其它治疗等等。
术语“癌症”“肿瘤”可互换使用,其是指以体内异常细胞的不受控生长为特征的一大类疾病。不受管制的细胞分裂可能导致恶性肿瘤或侵入邻近组织的细胞的形成,并可能通过淋巴系统或血流转移到身体的远端部位。癌症包括良性和恶性癌症以及休眠肿瘤或微转移。癌症也包括血液肿瘤,尤其是血液学恶性肿瘤。
术语“烃基”是指相应的烃失去氢原子后得到的基团,包括一价烃基、二价烃基和三价烃基等。例如,C2-10三价烃基,C2-6三价饱和烃基。
术语“烷基”定义为直链或支链饱和脂肪族烃基。在一些实施方案中,烷基具有1至12个,例如1至6个碳原子。例如,如本文中所使用,术语“C1-6烷基”指1至6个碳原子的线性或支化的基团(例如甲基、乙基、正丙基、异丙基、正丁基、异丁基、仲丁基、叔丁基、正戊基和正己基)。
术语“烷胺基”是指具有“烷基-NH-”结构的基团,其中烷基定义如上所述。例如C1-6烷胺基、C1-4烷胺基、C1-3烷胺基或C1-2烷胺基等。常见的烷胺基包括(但不限于)甲胺基、乙胺基、正丙胺基、异丙胺基、正丁胺基、异丁胺基、叔丁胺基、戊胺基、己胺基等。
PTX的结构式为:
PCB的结构式为:
SN38的结构式为:
NPB的结构式为:
AXT的结构式为:
LPT的结构式为:
DOX的结构式为:
Ac-C-PLGLAG-iRGD的结构式为:
SB7的结构式为:
叶酸的结构式为:
十二氢十二硼酸钠的结构式为
IRN的结构式为:
如本文中所使用,术语“氨基酸”主要包括下述常见的20种氨基酸:丙氨酸(Ala),精氨酸(Arg),天冬氨酸(Asn),天冬酰胺(Asp),半胱氨酸(Cys),谷氨酰胺(Gln),谷氨酸(Glu),甘氨酸(Gly),组氨酸(His),亮氨酸(Leu),异亮氨酸(Ile),赖氨酸(Lys),甲硫氨酸(蛋氨酸)(Met),苯丙氨酸(Phe),脯氨酸(Pro),丝氨酸(Ser),苏氨酸(Thr),色氨酸(Trp),酪氨酸(Tyr)和缬氨酸(Val)。除甘氨酸外,其余氨基酸为L-构型。已知氨基酸分子中含有氨基和羧基两种官能团,本文中所述“氨基酸残基”是指氨基酸分子中氨基上脱除一个氢和/或羧基上缺了一个羟基后的剩余部分。
具体实施方式
下面将结合实施例对本公开的实施方案进行详细描述,但是本领域技术人员应当理解,下列实施例仅用于说明本公开的实施方案,而不应视为限定本公开的范围。实施例中未注明具体条件者,按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者,均为可以通过市购获得的常规产品。
实施例1化合物81-214的合成







1.1 62-13的制备
将6-氨基己酸(15g,114.3554mmol)、1,4-二氧六环(200ml)和纯水(100ml)加入到1L圆底烧瓶中,以超声波辅助溶解,将混合液置于-5℃条件下搅拌30分钟后,加入氢氧化钠的水溶液(5gNaOH+20ml纯水)在-5℃条件下搅拌30分钟后加入二碳酸二叔丁酯(34.9g,160.09mmol),然后移至室温下搅拌过夜。反应结束,将反应液转移到2L的分液漏斗中,加入纯水(300ml)和乙酸乙酯 (350ml)进行萃取,滴加入稀盐酸调节pH直到显酸性,分离有机相,水相再用乙酸乙酯(200ml x 3)萃取,合并有机相,浓缩蒸干得产物24g。
1.2 64-152的制备
将6-氨基己酸(9.19g,70.06mmol)置于1L圆底烧瓶中,加入THF/H2O=1/1溶液(150ml)使其溶解,并置于0℃反应浴中搅拌1小时。再加入无水碳酸钠(14.85g,140.12mmol),以超声波辅助溶解,将反应烧瓶继续置于0℃反应浴中搅拌30分钟。随后将Cbz-Cl(12.5494g,73.56mmol)溶于THF(30ml)中,并将其缓慢滴加到反应烧瓶中,滴加完毕后,将反应烧瓶从0℃反应浴中取出置于室温下搅拌2.5小时。反应结束后,反应完成用乙酸乙酯(200ml)与纯水(100ml)萃取,用稀盐酸调节pH呈弱酸性后收集有机相,水相用乙酸乙酯(200ml)再次萃取。合并有机相,浓缩,用无水硫酸镁除水,再加入加200-300目的硅胶粉(25g)蒸干。干法上样,以30-70%乙酸乙酯/石油醚为洗脱剂进行柱层析。收集目标产物,浓缩,干燥得到产品11.6g,产率62.41%。
1.3 64-100的制备
将Boc-L-Leucine(30g,129.70mmol)、甘氨酸苄酯盐酸盐(28.77g,142.67mmol)、HBTU(73.78g,194.56mmol)和HOBT(26.28g,194.56mmol)加入到1000ml烧瓶中,加入DMF(50ml)使其溶解,置于-5摄氏度搅拌约20分钟,然后缓慢滴加DIEA(96.5ml,583.68mmol),滴加完毕后,继续于-5℃搅拌1小时,然后移至室温下搅拌反应。反应结束,将反应液转移到2L的分液漏斗中,加入饱和碳酸氢钠溶液(250ml)和乙酸乙酯(300ml)进行萃取,水相再用乙酸乙酯萃取(200ml x 3)。合并有机相,用饱和食盐水(200ml x 2)清洗,用无水硫酸镁除水,浓缩,蒸干得到产品50.9873g。
1.4 64-101的制备
将64-100(49.08g,129.70mmol)投入到1000ml烧瓶中,加入二氯甲烷(60ml)使其溶解,在搅拌状态下加入TFA(96.3ml,1297.0mmol),在室温下搅拌反应过夜。反应结束,将反应液进行浓缩,倒入到装有饱和碳酸氢钠溶液(350ml)和乙酸乙酯(300ml)的2L分液漏斗中,萃取,收集有机 相,水相再用乙酸乙酯萃取(150ml x 2)。合并有机相,浓缩,用无水硫酸镁除水,蒸干,得到产品29.3g。
1.5 64-102的制备
将64-101(29.3g,105.26mmol)、Boc-L-苯丙氨酸(33.51g,126.31mmol)、HBTU(59.88g,157.89mmol)和HOBT(21.33g,157.89mmol)加入到1000ml烧瓶中,加入DMF(200ml)使其溶解,将反应置于-5摄氏度搅拌20分钟,再缓慢滴加DIEA(104.4ml,631.57mmol),滴加完毕后,继续于-5摄氏度搅拌1小时,然后移至室温下搅拌过夜。反应结束,将反应液转移到2L的分液漏斗中,加入饱和碳酸氢钠溶液(350ml)和乙酸乙酯(300ml)萃取,收集有机相,水相用乙酸乙酯(200ml x 3)萃取,合并有机相,用饱和氯化钠溶液清洗(250ml x 2),浓缩,用无水硫酸镁除水,蒸干得到产品49.4g。
1.6 64-105的制备
将64-102(49.4g,93.98mmol)投入到1000ml烧瓶中,加入二氯甲烷(60ml),使其溶解,在搅拌状态下加入TFA(71.0ml,939.8mmol),在室温下搅拌反应过夜。反应结束,将反应液浓缩,倒入饱和碳酸氢钠溶液(350ml)和乙酸乙酯(300ml)的2L分液漏斗中,萃取,得有机相,水相再用乙酸乙酯萃取(150ml x 2)。合并有机相,浓缩,用无水硫酸镁除水,蒸干得到产品32.7g。
1.7 64-106的制备
将64-105(32.7g,76.84mmol)、Boc-Gly-OH(16.15g,92.21mmol)、HBTU(45.71g,115.27mmol)和HOBT(15.57g,115.27mmol)加入到1000ml烧瓶中,加入DMF(200ml)使其溶解,将反应置于-5摄氏度搅拌约20分钟,然后缓慢滴加DIEA(76.2ml,461.0832mmol),滴加完毕后,继续于-5℃搅 拌1小时,然后移至室温下搅拌过夜。反应结束,将反应液转移到2L的分液漏斗中,加入饱和碳酸氢钠溶液(300ml)和乙酸乙酯(350ml)萃取,收集有机相,水相再用乙酸乙酯萃取(200ml x 3),合并有机相用饱和氯化钠溶液清洗(250ml x 2),在室温放置1.5小时,析出固体,过滤,滤饼用3/7的乙酸乙酯/石油醚混合溶液清洗(150mlx5),得到产品34.6g。
1.8 71-85的制备
将64-106(10g,17.16mmol)加入到氢化反应釜中,加入10%的Pd/C催化剂(0.1g),加入DMF(40ml),通入氢气,调节压力为300Psi,在室温下搅拌反应过夜。反应结束后,将反应液用含定性滤纸的布氏漏斗抽滤,滤饼用DMF(10ml×3)清洗,收集滤液,作为下一步原料。
1.9 64-134的制备
将71-85(8.45g,17.16mmol),PCB(6.40g,14.30mmol,购买于天津法莫西),HBTU(8.13g,21.45mmol)和HOBT(2.89g,21.45mmol)加入到500ml圆底烧瓶中,加入DMF(80ml)使其溶解,将反应置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(11.8ml,71.5076mmol),继续置于-5℃搅拌反应1小时,将其取出转移至室温下搅拌反应。反应结束后,加入甲基叔丁基醚(450ml)沉降,固体析出,抽滤,滤饼重新用适量DMF溶解,再加入甲基叔丁基醚(450ml)沉降,反复三次。收集滤饼,烘干滤饼得产物13.7g。
1.10 64-135制备
将64-134(13.18g,14.30mmol)加入到250ml圆底烧瓶中,加入二氯甲烷(30ml),以超声波辅助溶解后加入TFA(10.6ml,143.0mmol),在室温下搅拌反应过夜。反应结束后,浓缩蒸干母液 除去二氯甲烷,再加入甲基叔丁基醚(300ml)沉降,析出固体,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼真空干燥,得到产品16.6g。
1.11 81-189的制备
将64-138(5.6g,6.81mmol)置于500ml圆底烧瓶中然后加入DMF(10ml),以超声波辅助溶解,将混合液置于0℃条件下搅拌5分钟,再缓慢滴加DIEA(5.62ml,34.05mmol),继续搅拌反应3分钟后加入丁二酸酐(2.04g,20.42mmol),反应结束后,加入甲基叔丁基醚(450ml)沉降,以超声波处理,静置,倒出上层液体,将下层油状物用适量的1/9的甲醇/二氯甲烷混合溶剂溶解,再加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,收集滤饼,烘干得产物5.5g。
1.12 81-181的制备
取反应物71-85(5.08g,10.32mmol)、拉帕替尼(5g 8.60mmol,购于上海衡新)、HOBT(1.39g,10.32mmol)和HBTU(3.91g,10.32mmol)置于反应瓶中,加入DMF(20ml),以超声波辅助溶解,置于0摄氏度低温搅拌,滴入DIEA(7.11mml,43.02mmol),滴完之后,取出至室温继续搅拌反应3小时后。反应结束后,用去离子水(400ml)和乙酸乙酯(400ml)萃取,收集有机相,水相用乙酸乙酯(200ml)再次萃取,合并有机相,用饱和碳酸氢钠溶液清洗(100ml×2),收集有机相,用无水硫酸镁除水,浓缩,蒸干得产品8.48g。
1.13 81-128的制备
取反应物81-181(4.4g,4.168mmol),加入二氯甲烷(10ml),再加入TFA(10ml),在室温下搅 拌反应。反应结束后,减压旋蒸除去二氯甲烷,再加入甲基叔丁基醚(200ml),固体析出,静置,倒掉上清液,加入适量的1/4的甲醇/二氯甲烷混合溶剂溶解,加入200-300目的硅胶粉,蒸干,干法上样,以1%氨水/2%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得产品3.97g。1H-NMR(600MHz,DMSO-d6)δ9.85(s,1H),8.79-8.67(m,1H),8.56(s,1H),8.26-7.96(m,5H),7.80(dd,J=4.9,8.8Hz,1H),7.74(ddd,J=2.6,8.8,13.7Hz,1H),7.47(td,J=6.1,7.9Hz,1H),7.36-7.27(m,3H),7.26-7.03(m,7H),5.26(d,J=2.0Hz,2H),4.74(d,J=29.3Hz,2H),4.62(d,J=7.9Hz,1H),4.39(dt,J=7.5,15.6Hz,1H),4.33-4.22(m,1H),4.14(td,J=5.4,16.9,17.4Hz,2H),3.86(t,J=7.4Hz,1H),3.78(t,J=7.5Hz,1H),3.63(t,J=7.6Hz,1H),3.41-3.37(m,3H),3.05-3.03(m,4H),2.84(ddd,J=5.8,8.7,14.4Hz,1H),1.90(s,2H),1.62(dd,J=6.6,13.3Hz,1H),1.50(dd,J=4.8,10.0Hz,2H),0.94-0.76(m,6H);FT MS ESI m/z[M+H+]955.33
1.14 59-60的制备
将紫杉醇(20g,23.42mmol,购买于武汉赢元贝,简称PTX)和咪唑(7.98g,117.12mmol)加入到250ml圆底烧瓶中,加入DMF,以超声波辅助溶解,通入N2,排空空气,再加入TBDMS-Cl(21.2g,142.54mmol),停止通入氮气,继续室温搅拌反应。反应结束,将反应液转移到1L分液漏斗中,加入饱和碳酸氢钠溶液(200ml)和乙酸乙酯(200ml)萃取,水相再用乙酸乙酯萃取(150ml×2)。合并有机相用饱和氯化钠溶液(100ml×2)清洗,收集有机相,浓缩,加入200-300目的硅胶粉蒸干,干法上样,用0-100%的乙酸乙酯/石油醚为洗脱剂进行柱层析,收集目标产物,浓缩蒸干得到产品22.7g。
1.15 59-67的制备
将59-60(2g,7.83mmol)溶于四氢呋喃(20ml)中,置于0℃下搅拌,缓慢滴加DIEA(1.5ml,9.04mmol),再滴加特戊酰氯(1.1ml,9.04mmol),滴加完后,将反应液置于室温反应3h。确认反应完成后之后将反应液置于0℃下搅拌,将64-152(3.65g,3.76mmol)溶于THF(5ml)中,并缓慢滴入反应液中,之后继续滴加DIEA(0.69ml,4.1459mmol),滴加完毕后,将反应液置于室温搅拌反应。反应结束后,取出反应液倒入装有纯水(300ml)和乙酸乙酯(300ml)的2L分液漏斗进行萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相,浓缩至150ml,再使用稀盐酸清洗(200ml×2),之后用饱和碳酸氢钠溶液清洗(200ml×2),收集有机相,旋干得产品4.58g。
1.16 59-69的制备
将59-67(4.58g,3.769mmol)溶解在活性炭预处理后的DMA(30ml)中,再加入到氢化反应釜中,再加入10%的Pd/C催化剂(250mg),连接水泵,抽干空气,通入氢气,如此重复3次,调节氢气压力至1.8MPa,置于室温高速搅拌反应,反应结束后,用含硅藻土的抽滤漏斗抽滤,将滤液倒入1L分液漏斗中,在分液漏斗中加入饱和氯化钠溶液(300ml)和乙酸乙酯(300ml)萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相以饱和氯化钠溶液(200ml)清洗两次,收集有机相,浓缩,再加入二氯甲烷和甲醇混合溶剂溶解,加入200-300目的硅胶粉,蒸干,干法上样,先后用30%乙酸乙酯/石油醚和3-10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,旋干得到产品4.08g。
1.17 81-120的制备
将Boc-Glu-OH(3g,12.13mmol)、L-谷氨酸双苄酯对甲苯磺酸盐(12.72g,25.48mmol)、HBTU(9.66g,25.48mmol)和HOBT(3.44g,25.48mmol)加入到500ml圆底烧瓶中,然后加入DMF(30ml)使其溶解,在冰水浴下搅拌3min后,滴加DIEA(16.03ml,97.04mmol),继续在室温下搅拌反应。反应结束,将反应液转移到装有纯水(200ml)和乙酸乙酯(200ml)的2L分液漏斗中进行萃取,收集有机相,水相再用乙酸乙酯萃取(50ml x 2)。合并有机相用饱和碳酸氢钠溶液清洗(50ml x 2),用无水硫酸镁干燥,减压浓缩,蒸干得产物10.5g。
1.18 81-121的制备
将81-120(10.5g,12.13mmol)置于500ml的圆底烧瓶中,加入二氯甲烷(14ml),以超声波辅助溶解,然后加入TFA(21ml),室温下搅拌反应。反应结束,减压旋蒸除去TFA和二氯甲烷,将反应液转移到1L的分液漏斗中,加入纯水(300ml)和乙酸乙酯(350ml)进行萃取,水相再用乙酸乙酯萃取(100ml x 3)。合并有机相以饱和碳酸氢钠溶液中和,用无水硫酸镁除水,减压浓缩,蒸干得产物9.28g。
1.19 81-125的制备
将62-13(2.8g,12.13mmol)、81-121(9.28g,12.13mmol)、HBTU(5.05g,13.34mmol)和HOBT(1.8g,13.34mmol)加入到500ml圆底烧瓶中,然后加入DMF(20ml)使其溶解,在冰水浴下搅拌2min后,加入DIEA(8.01ml,48.52mmol),在室温下搅拌反应。反应结束,将反应液转移到2L的分液漏斗中,加入纯水(200ml)和乙酸乙酯(100ml)进行萃取,收集有机相,水相再用乙酸乙酯(100ml x 3)萃取。合并有机相用饱和碳酸氢钠溶液(100ml x 2)清洗,收集有机相,减压浓缩,加入200-300目的硅胶粉,蒸干,干法上样,以1-2.5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得产物10.8g,产率91%。FT MS ESI m/z[M+Na+]1002.34
1.20 81-127的制备
将81-125(2g,2.04mmol)加入到氢化反应釜中,加入10%的Pd/C催化剂(0.2g),加入甲醇(30 ml),通入氢气,调节压力为2MPa,在30℃下搅拌过夜。反应结束后,将反应液用含滤纸的布氏漏斗抽滤,减压浓缩,蒸干得产物。
1.21 81-132的制备
将81-127(1.16g,1.875mmol)、81-128(8.95g,9.375mmol)、HBTU(3.55g,9.375mmol)和HOBT(1.26g,9.375mmol)置于500ml圆底烧瓶中,然后加入DMF(15ml)溶解,将混合液置于0℃条件下搅拌1分钟。再缓慢滴加DIEA(5.57ml,33.75mmol)继续反应。反应结束后,加入甲基叔丁基醚(450ml)沉降,固体析出,抽滤。滤饼重新用适量乙酸乙酯溶解,在37℃下搅拌5分钟,抽滤,收集滤饼,如此重复三次。再将滤饼用适量DMA溶解,搅拌下滴加入甲基叔丁基醚,直至有细小固体颗粒产生后,再加入适量甲基叔丁基醚,抽滤,烘干滤饼得产物5.1g,产率62.27%。
1.22 81-136的制备
将81-132(5.1g,1.16mmol)加入到500ml的圆底烧瓶中,加入TFA(15ml),在室温下搅拌反应。反应完成后减压旋蒸除去二氯甲烷和TFA,再加入适量二氯甲烷,减压旋蒸,直至产物变为粘稠油状,再加入适量甲基叔丁基醚,固体析出,抽滤,烘干滤饼得产物4.95g。MALDI-TOF MS m/z[M+H+]4269.65
1.23 81-146的制备
取反应物81-136(3.7g,0.866mmol)、Fmoc-Lys(Boc)-OH(0.6g,1.3mmol)、HOBT(0.175g,1.3mmol)和HBTU(0.49g,1.3mmol)置于反应瓶中,加入DMF(20ml),以超声波辅助溶解,置于0摄氏度低温搅拌2min,滴入DIEA(0.5ml,3.03mmol),滴完之后在室温继续搅拌反应3小时。反应结束后,加入甲基叔丁基醚(450ml),以超声波处理,静置,倒掉上清液,再加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,滤饼重新用适量DMF溶解,再少量多次加入甲基叔丁基醚(450ml)沉降,抽滤,烘干滤饼得产物4.08g。
1.24 81-147的制备
取反应物81-146(4g,0.84mmol),加入DMF(30ml)溶解,再加入二乙胺(30ml,6.3574mmol),在室温下搅拌反应。反应结束后,加入正己烷(50ml)和甲基叔丁基醚(450ml)沉降,固体析出,倒出上清液,再将固体用适量DMF溶解,少量多次加入甲基叔丁基醚(450ml),直至有大量固体析出,抽滤,滤饼重新用适量DMF溶解,再加入甲基叔丁基醚(450ml)沉降,如此重复三次。烘干滤饼得产物3.1g。
1.25 81-185的制备
将81-189(2.31g,2.508mmol)、HBTU(0.9511g,2.508mmol)和HOBT(0.06g,0.495mmol)置于50ml圆底烧瓶中,然后加入DMF(5ml)使其溶解,将混合液置于0℃条件下搅拌1分钟,再缓慢滴加DIEA(1.72ml,10.45mmol),室温搅拌反应5min后加入81-147(9.4g,2.09mmol)的DMF溶液,继续反应。反应结束后,加入甲基叔丁基醚(450ml)沉降,固体析出,抽滤,滤饼重新用适量DMF溶解,再加入甲基叔丁基醚(450ml)沉降,如此重复三次,烘干滤饼得产物。
1.26 81-203的制备
将81-185(5.5g,1.018mmol)加入到500ml的圆底烧瓶中,加入二氯甲烷(3ml)溶解,然后加入TFA(20ml),在室温下搅拌反应。反应完成后旋蒸除去二氯甲烷和TFA,再加入适量二氯甲烷,以超声波辅助溶解,加入甲基叔丁基醚(450ml)沉降,固体析出,抽滤,滤饼重新用适量DMF溶解,再加入甲基叔丁基醚(450ml)沉降,如此重复三次。烘干滤饼得产物。
1.27 81-9的制备
将Boc-Asp(Obzl.)-OH(9.19g,28.45mmol)、H-β-Ala-Obzl.TsOH(10g,28.45mmol)、HBTU(15.1g,39.83mmol)和HOBT(5.38g,39.83mmol)加入到500ml圆底烧瓶中,以适量DMF溶解,将反应置于0℃条件下搅拌约3分钟,然后缓慢滴加DIEA(21.16L,128.025mmol),在室温下搅拌反应过夜。反应结束后,将反应液转移到1L分液漏斗中,加入纯水(300ml)和乙酸乙酯(200ml)萃取,收集有机相,水相用乙酸乙酯萃取(200ml×2),合并有机相,有机相用饱和碳酸氢钠溶液(100ml×2)清洗,浓缩,用无水硫酸镁除水,蒸干得到产品13.78g。
1.28 81-10的制备
将81-9(13.78g,28.45mmol)投入到250ml圆底烧瓶中,加入二氯甲烷(20ml)使其溶解,再加入TFA(48.63g,426.59mmol),在室温下搅拌反应。反应结束后,减压浓缩除去二氯甲烷,再将反应液转移到1L的分液漏斗中,加入纯水(100ml)和乙酸乙酯(200ml)进行萃取,少量多次加入碳酸氢钠粉末中和TFA,收集有机相,水相再用乙酸乙酯萃取(200ml×2)。合并有机相,无水硫酸镁除水,蒸干得到产品10.92g。
1.29 74-100的制备
将62-13(2.63g,11.38mmol)、81-10(4.37g,11.38mmol)、HBTU(1.84g,13.65mmol)和HOBT(5.17g,13.65mmol)置于500ml圆底烧瓶中,然后加入DMF(15ml)使其溶解,将混合液置于0℃条件下搅拌2分钟。再缓慢滴加DIEA(8.46ml,51.21mmol)继续反应。反应结束后,取出反应液倒入2L分液漏斗中,在分液漏斗中加入纯水(300ml)和乙酸乙酯(300ml)进行萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相加入饱和碳酸氢钠溶液(200ml×2)清洗。收集有机相,浓缩,用无水硫酸镁除水,加入200-300目的硅胶粉蒸干,干法上样,以0.5-2%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,蒸干得产物3.4g。
1.30 74-101的制备
将74-100(3.4g,5.68mmol)加入到500ml的圆底烧瓶中,加入TFA(12.98g)溶解,在室温下搅拌反应。反应完成后旋蒸除去TFA,用适量乙酸乙酯溶解后倒入2升的分液漏斗中,在分液漏斗中加入纯水(300ml)和乙酸乙酯(300ml)进行萃取,少量多次加入碳酸氢钠粉末中和TFA,收集有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相浓缩后经无水硫酸镁除水,蒸干得产物2.83g。
1.31 74-102的制备
将74-101(2.83g,5.68mmol)、Fmoc-Lys(Boc)-OH(2.66g,5.68mmol)、HBTU(2.58g,6.82mmol)和HOBT(0.92g,6.82mmol)置于500ml圆底烧瓶中,然后加入DMF(15ml)使其溶解,将混合液置于0℃条件下搅拌3分钟。再缓慢滴加DIEA(4.23ml,25.59mmol)继续反应。反应结束后,取出反应液倒入2L分液漏斗中,在分液漏斗中加入纯水(300ml)和乙酸乙酯(300ml)萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相加入饱和碳酸氢钠溶液清洗(200ml×2),收集有机相,浓缩后用无水硫酸镁除水,加入200-300目的硅胶粉,蒸干,干法上样,用0.5-1.5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品,浓缩,蒸干得到产物5.39g。
1.32 74-103的制备
将74-102(5.39g,5.68mmol)置于500ml的圆底烧瓶中,加入DMF(10ml)溶解,然后加入吗啉(7.43ml,85.32mmol)室温下搅拌反应。反应结束后,取出反应液倒入2L分液漏斗中,在分液漏斗中加入纯水(300ml)和乙酸乙酯(300ml)进行萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相加入饱和碳酸氢钠溶液清洗(200ml×2),收集有机相,浓缩后用无水硫酸镁除水,加入200-300目的硅胶粉蒸干,干法上样,用5-7%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品,浓缩,蒸干得到产物1.4g。
1.33 81-60的制备
将3-(methylamine)propane-1,2-diol(3g,28.53mmol)、琥珀酸单叔丁酯(4.96g,28.53mmol)和HATU(11.39g,29.96mmol)置于500ml圆底烧瓶中,然后加入乙腈(20ml),以超声波辅助溶解,将混合液置于-5℃条件下搅拌2分钟。再缓慢滴加DIEA(24.75ml,149.8mmol)继续反应。反应完成后,减压旋蒸除去乙腈,加入甲基叔丁基醚(200ml)沉降,倒掉上清液,再加入甲基叔丁基醚 (200ml)沉降,倒掉上清液,如此反复多次,直至产物变为粘稠油状。加入适量二氯甲烷以超声波辅助溶解,加入200-300目的硅胶粉蒸干,干法上样,用0-1.5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到产物5.45g,产率3.15%。1H-NMR(600MHz,DMSO-d6)δ3.75-3.53(m,3H),3.43-3.14(m,4H),2.90(s,3H),2.57-2.45(m,2H),2.43-2.31(m,2H),1.35(s,9H);FT MS ESI m/z[M+H+]262.16
1.34 81-65的制备
向500ml圆底烧瓶中然后加入超干THF(15ml),加入60%的NaH(0.22g,5.739mmol),搅拌至无气泡产生后加入81-60(0.5g,1.913mmol)和溴乙酸苄酯(1.75g,7.653mmol),在氮气氛围下搅拌反应。反应结束后,取出反应液倒入1L分液漏斗中,在分液漏斗中加入稀盐酸溶液(100ml)和乙酸乙酯(200ml)进行萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相使用饱和氯化钠溶液清洗(50ml×2),收集有机相,浓缩后用无水硫酸镁除水,加入200-300目的硅胶粉蒸干,干法上样,以0.2-5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物0.23g,产率21.69%。1H-NMR(600MHz,DMSO-d6)δ7.44-7.27(m,10H),5.18-5.12(m,4H),4.22-4.17(m,,4H),3.76-3.71(m,1H),3.43-3.14(m,4H),3.01(s,3H),2.49-2.43(m,2H),2.42-2.30(m,2H),1.37(s,9H);FT MS ESI m/z[M+H+]558.26
1.35 81-82的制备
将原料81-65(0.5g,0.896mmol)和10%的Pd/C催化剂(20mg)加入到氢化反应装置中,然后加入DMF(8ml)使其溶解,充氢至2MPa,在常温下过夜反应。反应完成后,收集含钯碳的反应液。
1.36 81-85的制备
将81-82(0.33g,0.896mmol)、74-103(1.42g,1.97mmol)、HBTU(0.74g,1.97mmol)和HOBT(0.26g,1.97mmol)置于50ml圆底烧瓶中,然后加入DMF(5ml)使其溶解,将混合液置于0℃条件下搅拌1分钟。再缓慢滴加DIEA(1.03ml,6.27mmol)继续反应。反应结束后,抽滤除去钯碳,再加入正己烷(50ml)和甲基叔丁基醚(450ml)沉降,以超声波处理,静置,倒掉上清液,多次重复直至产物变为粘稠油状,再加入二氯甲烷,以超声波辅助溶解,加入200-300目的硅胶粉蒸干,干法上样,以2-3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到产物0.96g,产率60%。FT MS ESI m/z[M+Na+]1815.93
1.37 81-197的制备
将原料81-85(0.4g,0.223mmol)和10%的Pd/C钯碳催化剂(50mg)加入到氢化反应装置中,然后加入甲醇(10ml)使其溶解,封闭氢化反应装置,以水泵抽真空,再充入约2MPa的氢气,如此反复三次,最后调节氢气压力至2.2MPa,然后在室温下反应过夜。反应完成后,用含滤纸的布氏漏斗抽滤,用甲醇(3ml×3)清洗反应装置,蒸干得到反应产物0.31g。1H-NMR(600MHz,DMSO-d6)δ12.10-12.01(m,4H),8.13-8.05(m,4H),8.02-7.90(m,4H),7.44-7.37(m,2H),4.22-4.12(m,8H),3.76-3.71(m,3H),3.65-3.52(m,4H),3.43-3.14(m,12H),3.08-3.00(m,5H),2.52-2.43(m,10H),2.42-2.30(m,2H),1.67-1.57(m,2H),1.57-1.49(m,2H),1.49-1.41(m,4H),1.41-1.29(m,35H),1.28-1.10(m,8H)
1.38 81-204的制备
将81-197(0.31g,0.217mmol)、81-203(5.3g,0.999mmol)、HBTU(0.378g,0.999mmol) 和HOBT(0.134g,0.999mmol)置于50ml圆底烧瓶中,然后加入DMF(20ml)和NMP(10ml)使其溶解,将混合液置于0℃条件下搅拌1分钟。再缓慢滴加DIEA(0.57ml,3.472mmol)继续反应。反应结束后,加入甲醇(450ml)沉降,固体析出,抽滤。滤饼重新用适量DMF和NMP溶解,再加入甲醇(450ml)沉降,如此重复三次,烘干滤饼得产物4.89g。
1.39 81-205的制备
将81-204(4.94g,0.218mmol)加入到50ml的圆底烧瓶中,加入TFA(35ml)在室温下搅拌反应20小时。反应完成后加入适量二氯甲烷溶解,旋蒸除去二氯甲烷,再加入甲基叔丁基醚(30ml),固体析出,静置,倒掉上清液,蒸干,再将固体用适量DMF溶解,滴加入DIEA摇晃,再加入甲基叔丁基醚(300ml),固体析出,抽滤,烘干滤饼得产物4.5g。
1.40 81-206的制备
将81-205(2g,0.896mmol)置于50ml圆底烧瓶中然后加入超干DMF(10ml),以超声波辅助溶解,将混合液置于0℃条件下搅拌3分钟。再缓慢滴加DIEA(0.148ml,0.896mmol),继续搅拌反应5分钟后加入M-SCM-10K(2g,0.188mmol,购于键凯,批次:A3016-N230101),反应结束后,加入甲基叔丁基醚(450ml)沉降,固体析出,倒掉上清液,再加入甲基叔丁基醚,以超声波处理,静置,倒掉上清液,如此重复5次,蒸干得固体粉末,再将固体粉末用适量的甲醇/二氯甲烷(体积比为4:6)混合溶剂溶解,加入100-200目的硅胶粉蒸干,干法上样,以1%氨水/6-9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到产物2.2g。
1.41 81-212的制备
将81-206(1.9g,0.0437mmol)、59-69(0.141g,0.131mmol)、HBTU(0.049g,0.1313mmol)和HOBT(0.0177g,0.1313mmol)置于50ml圆底烧瓶中,然后加入DMF(10ml)溶解,滴加入三乙胺(0.1ml)进行反应。反应结束后,加入甲基叔丁基醚(45ml)沉降,固体析出,以超声波处理,静置,倒掉上清液,如此重复3次。再蒸干为固体,加入适量的甲醇/二氯甲烷(体积比为4:6)混合溶剂进行溶解,再加入大量甲基叔丁基醚,固体析出,静置,倒掉上清液,蒸干固体得产物1.68g。
1.42 81-214的制备
称取81-212(1.68g,0.0378mmol)加入适量THF溶解,再加入TBAF(0.477g,1.512mmol)在室温下搅拌反应。反应完成后,加入甲基叔丁基醚(300ml),固体析出,以超声波处理,静置,倒出上清液,再加入适量甲基叔丁基醚,以超声处理,静置,倒出上清液,蒸干固体,将固体用适量的4/6的甲醇/二氯甲烷混合溶剂溶解,加入100-200目的硅胶粉,蒸干,干法上样,以1%三乙胺/10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,蒸干,再用适量的乙醇/二氯甲烷(体积比为3:7)混合溶剂溶解,再加入甲基叔丁基醚(300ml),固体析出,抽滤,重复此溶解/析出过程3次,烘干滤饼得产物1.2g。1H-NMR(600MHz,DMSO-d6)δ10.16-10.04(m,5H),9.93-9.77(m,16H),8.96-8.80(m,5H),8.80-8.66(m,16H),8.60-8.47(m,15H),8.29-7.89(m,169H),7.89-7.58(m,19H),7.58-7.36(m,22H),7.36-6.96(m,183H),6.72-6.59(m,10H),6.57-6.47(m,10H),6.05--5.72(m,6H),5.57-5.36(m,7H),5.29-4.98(m,36H),4.85-4.65(m,30H),4.63-4.43(m,28H),4.43-4.29(m,50H),4.29-3.91(m,44H),3.87-3.26(m,2053H),3.20-2.67(m,173H),2.65-2.24(m,65H),2.24-2.01(m,37H),1.95-1.78(m,17H), 1.78-1.07(m,195H),0.94-0.66(m,120H)。
实施例2化合物76-258的合成


2.1 76-84的制备
将Trometamol(2.42g,20.00mmol,购于乐妍)置于250ml烧瓶中,加入DMSO(4ml),充入N2冷却至15℃,在搅拌时加入5M氢氧化钠水溶液(0.4ml),滴加丙烯酸叔丁酯(10.00ml,68.00mmol)。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相;水相再用乙酸乙酯萃取(200ml×3)。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以0.2%氨水/2~4%甲醇/二氯甲烷混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品3.85g,产率38%。1H-NMR(600MHz,DMSO-d6)δ4.43-4.36(m,1H),4.13-4.06(m,1H),3.59-3.53(m,6H),3.20-3.17(m,6H),2.45-2.35(m,6H),1.40(s,27H);ESI[M+H+]506.33
2.2 76-88的制备
称取丁二酸单苄酯(0.46g,2.18mmol)、HBTU(0.90g,2.37mmol)和HOBT(0.32g,2.37mmol)加入装有76-84(1.0g,1.98mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(1.18ml,7.12mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以20%乙酸乙酯/石油醚混合溶剂为洗脱剂进行柱 层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.87g。1H-NMR(600MHz,DMSO-d6)δ7.38-7.32(m,5H),7.12(s,1H),5.07(s,2H),3.54-3.51(m,12H),2.40-2.36(m,8H),1.40-1.38(m,27H),1.32-1.22(m,2H);ESI[M+H+]696.39,[M+Na+]718.37,[M+K+]734.35
2.3 76-89的制备
在装有76-88(0.87g,1.25mmol)的烧瓶中加入二氯甲烷,超声振荡至完全溶解后加入TFA(0.2ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品。1H-NMR(600MHz,DMSO-d6)δ12.58-11.75(s,3H)7.38-7.32(m,5H),7.12(s,1H),5.07(s,2H),3.54-3.51(m,12H),2.40-2.36(m,8H),1.32-1.22(m,2H).
2.4 76-54的制备
称取Fmoc-Glu(OtBu)-OH(10.00g,23.50mmol)、HBTU(10.69g,28.20mmol)和HOBT(3.81g,28.20mmol)加入装有β-丙氨酸叔丁酯盐酸盐(4.48g,24.68mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(13.98ml,84.60mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml×3)萃取,合并有机相,蒸干得固体粗产品。
2.5 76-55的制备
在装有76-54(23.50mmol)的烧瓶中加入DMF,以超声波辅助溶解后加入吗啉(40ml,470mmol),放于室温下搅拌反应2h。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以20%乙 酸乙酯/石油醚混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品6.89g,产率88.7%。
2.6 76-56的制备
称取N'-芴甲氧羰基-N-苄氧羰基-L-赖氨酸(2.90g,5.76mmol)、HBTU(2.62g,6.91mmol)和HOBT(0.93g,6.91mmol)加入装有76-55(2.0g,6.05mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(3.43ml,20.74mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干得固体粗产品。
2.7 76-58的制备
在装有76-56(5.76mmol)的烧瓶中加入DMF,以超声波辅助溶解后加入吗啉(10ml,115.21mmol),放于室温下搅拌反应2h。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml*3)萃取。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以20%乙酸乙酯/石油醚混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品2.26g,产率66.2%。1H-NMR(400MHz,DMSO-d6)δ8.14-7.97(m,2H),7.38-7.29(m,5H),7.26-7.21(s,1H),5.04-4.98(m,2H),4.26-4.18(s,1H),3.33 -3.25(m,2H),3.20-3.10(m,2H),2.98-2.94(m,2H),2.38-2.31(m,2H),2.19-2.11(m,2H),1.91-1.79(m,2H),1.72-1.66(m,1H),1.59-1.47(m,2H),1.40-1.38(m,9H),1.38-1.37(m,9H),1.35-1.22(m,4H);ESI[M+H+]593.35,[M+Na+]615.33,[M+K+]631.30
2.8 76-99的制备
称取76-89(0.28g,0.55mmol)、HBTU(0.75g,1.98mmol)和HOBT(0.27g,1.98mmol)加入装有76-58(1.07g,1.81mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(1.0ml,5.94mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以二氯甲烷和甲醇的混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.82g。1H-NMR(400MHz,DMSO-d6)δ8.02-7.97(m,3H),7.97-7.93(m,3H),7.93-7.88(m,3H),7.37-7.29(m,20H),7.24-7.17(m,3H),7.15 -7.13(m,1H),5.09-5.05(m,2H),5.02-4.96(m,6H),4.25-4.20(m,3H),4.20-4.15(m,3H),3.58-3.50(m,12H),3.32-3.26(m,6H),3.18-3.12(m,3H),2.98-2.92(m,6H),2.44-2.30(m,15H),2.19-2.11(m,6H),1.85-1.79(m,3H),1.51-1.43(m,6H),1.38-1.36(m,54H),1.34-1.32(m,6H),1.25-1.23(m,6H),1.23-1.21(m,6H)
2.9 70-67的制备
将71-85(34.3mmol)、NPB(11.0g,34.3mmol,购买于安徽诺全)、HBTU(15.6g,41.2mmol)和HOBT(5.6g,41.2mmol)加入到500ml圆底烧瓶中,加入DMF(80ml)使其溶解,将反应置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(12.5ml,75.5mmol),继续置于-5℃搅拌反应1小时,将其取出转移至室温下搅拌反应。反应结束后,加入甲基叔丁基醚(450ml)沉降,固体析出,抽滤,滤饼重新用适量DMF溶解,再加入甲基叔丁基醚(450ml)沉降,如此重复三次。收集滤饼,烘干滤饼得产物28.8g。
2.10 70-68的制备
将70-67(34.3mmol)加入到250ml圆底烧瓶中,加入二氯甲烷(20ml),以超声波辅助溶解后加入TFA(51.8ml,686mmol),在室温下搅拌反应过夜。反应结束后,浓缩蒸干母液除去二氯甲烷,再加入甲基叔丁基醚(300ml)沉降,析出固体,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼真空干燥得到产品13.0g。
2.11 76-103的制备
将76-99(0.15g,0.07mmol)和10%的Pd/C催化剂(0.05g)投入到氢化反应釜中,然后加入DMF(20ml)使其溶解,封闭氢化反应装置,以水泵抽真空,再充入约2MPa的氢气,如此充入三次,最终调节氢化反应装置上的压力读数为1.8MPa,然后在常温下过夜反应。反应结束,反应液用硅藻土过滤,滤饼用DMF(20ml×3)清洗,得到产品的DMF溶液,作为下一部反应原料。1H-NMR(400MHz,DMSO-d6)δ12.50-11.71(s,1H),8.02-7.97(m,3H),7.97-7.93(m,3H),7.93-7.88(m,3H),7.24-7.17(m,3H),7.15 -7.13(m,1H),4.25-4.20(m,3H),4.20-4.15(m,3H),3.58-3.50(m,12H),3.32-3.26(m,6H),3.18-3.12(m,3H),2.98-2.92(m,6H),2.44-2.30(m,15H),2.19-2.11(m,6H),1.85-1.79(m,3H),1.51-1.43(m,6H),1.38-1.36(m,54H),1.34-1.32(m,6H),1.25-1.23(m,6H),1.23-1.21(m,6H)
2.12 76-104的制备
将76-103(0.07mmol)投入到250ml的烧瓶中,用DMF(20ml)使之溶解,再缓慢滴加入装有DIEA(0.44ml,2.66mmol)和M-SCM-10K(2.29g,0.22mmol,购于键凯)的DMF溶液中,将反应置于室温下避光低速搅拌反应一周。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集,真空烘箱干燥得到产品。
2.13 76-123的制备
称取76-104(0.46g,0.01mmol)、HBTU(0.01g,0.02mmol)和HOBT(0.003g,0.02mmol)加入装有70-68(0.01g,0.02mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.02ml,0.07mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,重复3次,抽滤得到固体产物,收集、干燥得到产品。
2.14 76-128的制备
在装有76-123(0.01mmol)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(10.0ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥,得到产品。
2.15 88-14的制备
将6-氨基己酸(4.6094g,35.1407mmol)投入1L圆底烧瓶中,加入THF/H2O溶液(150ml)使其溶解,并置于0℃反应浴中搅拌1小时。然后向其中加入无水碳酸钠(7.4491g,70.2814mmol),超声使其溶解,将反应烧瓶继续置于0℃反应浴中搅拌30分钟。随后将氯甲酸-9-芴甲酸(Fmoc-Cl,10.0g,38.6548mmol)溶于THF(30ml)中,并将其缓慢滴加到反应烧瓶中,滴加完毕后,将反应烧瓶从0℃反应浴中取出置于室温下搅拌2.5小时。最后向反应烧瓶中滴加1.0mol/L的盐酸水溶液(115ml),以调节反应液的pH至3.0。反应结束后,将反应液转移至1L分液漏斗中,用乙酸乙酯萃取(150ml×3),分离水相和有机相。合并有机相,用1.0N的盐酸水溶液清洗有机相两次(250ml×2),分离水相和有机相。将有机相减压浓缩蒸干,接着加入二氯甲烷(100ml)使其溶解,再加入硅胶粉(60ml),蒸干,干法上样,以20-50%乙酸乙酯/石油醚为洗脱剂进行柱层析。收集目标产物,浓缩蒸干,干燥得到产品12.0g,产率96.63%。
2.16 88-4的制备
在1L的圆底烧瓶中,将1,2-双(2-氨基乙氧基)乙烷(5.96g,40.270mmol)用1,4-二氧六环(40ml)溶解,置于恒温0℃反应浴,用纯水(20ml)溶解NaOH(1.932g),加入Boc2O(10.54g,48.324mmol),常温搅拌反应2小时;点TLC检测反应进度。反应结束后,加水(100ml),用甲基叔丁基醚萃取,收集有机相。水相用盐酸(1.0mol/L)调节pH为1-2,用乙酸乙酯萃取。合并有机相旋蒸烘干得产物9.88g,产率98.8%。
2.17 88-7的制备
称取Fmoc-Glu-OH(3.45g,9.34mmol)、HBTU(7.79g,20.54mmol)和HOBT(2.78g,20.54mmol) 加入装有88-4(5.10g,20.54mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(6.80ml,41.07mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体。
2.18 88-8的制备
在装有88-7(9.34mmol)的烧瓶中加入乙腈,超声振荡至完全溶解后加入哌啶(13.90ml,140.03mmol),放于室温下搅拌反应2h。反应结束后,蒸干至固体,用4/1的二氯甲烷/甲醇混合溶液溶解,再加入200-300目的硅胶粉(30g)蒸干,干法上样,以1%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物7.0g。
2.19 76-80的制备
称取Fmoc-Glu-OH(0.72g,1.94mmol)、HBTU(1.77g,4.66mmol)和HOBT(0.63g,4.66mmol)加入装有88-8(2.60g,4.28mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(2.31ml,13.97mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体。
2.20 76-91的制备
在装有76-80(1.5g,0.97mmol)的烧瓶中加入乙腈,以超声波辅助溶解后加入二乙胺(20ml),放于室温下搅拌反应2h。反应结束后,蒸干至固体。
2.21 76-92的制备
称取88-14(0.36g,1.02mmol)、HBTU(0.44g,1.16mmol)和HOBT(0.16g,1.16mmol)加入装有76-91(0.97mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.58ml,3.49mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,用甲基叔丁基醚(100ml)沉降,抽滤得到固体产物,收集滤饼真空干燥得到产品。
2.22 76-93的制备
在装有76-92(0.97mmol)的烧瓶中加入乙腈,以超声波辅助溶解后加入二乙胺(20ml),放于室温下搅拌反应2h。反应结束后,蒸干至固体,用4/1的二氯甲烷/甲醇混合溶液溶解,再加入200-300目的硅胶粉(30g)蒸干。干法上样,以1%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓 缩,蒸干得到产物0.75g,产率54%。1H-NMR(400MHz,DMSO-d6)δ8.25-8.16(m,2H),8.12-8.06(m,2H),8.03-7.99(m,1H),7.89-7.85(m,1H),7.85-7.82(m,1H),6.80 -6.74(m,4H),4.23-4.17(m,2H),4.12-4.06(m,1H),3.50-3.47(m,16H),3.42-3.36(m,22H),3.29-3.23(m,4H),3.07-3.04(m,8H),2.73-2.69(m,2H),2.16-2.08(m,8H),1.53-1.43(m,6H),1.38-1.36(m,36H),1.31-1.23(m,4H);ESI[M+H+]1439.88
2.23 76-146的制备
称取76-128(0.47g,0.01mmol)、HBTU(0.04g,0.10mmol)和HOBT(0.01g,0.10mmol)加入装有76-93(0.14g,0.09mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.05ml,0.10mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品。
2.24 76-204的制备
在装有76-146(0.0068mmol)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(0.2ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品。
2.25 76-229的制备
将(2-((叔丁氧羰基)氨基)-3-(4-(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基-2-10B)苯基)丙酸乙酯)(ethyl 2-((tert-butoxycarbonyl)amino)-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxa-borolan-2-yl-2-10B)phenyl)propanoate,2.0g,4.78mmol,购于来克斯德)加入到250ml烧瓶中,加入4.0M的盐酸1,4-二氧六环(12ml)使其溶解,然后将反应烧瓶置于室温下搅拌反应2小时。反应结束后,用减压旋蒸将反应液中的液体蒸干,将其用二氯甲烷(10ml)溶解,再用减压旋蒸蒸发;这个步骤重复多次,得到固体,干燥,得到产品。
2.26 76-230的制备
将76-229(4.78mmol)加入到500ml烧瓶中,用1/1的二氯甲烷/乙腈混合溶液(20ml)在超声波作用下溶解,缓慢加入DIEA(3.16ml,19.11mmol),滴加完毕,搅拌5分钟,再加入丁二酸酐(1.44g,14.34mmol,购于Innochem),搅拌反应3小时。通过TLC板观察,反应结束,用减压旋蒸将二氯甲烷和乙腈蒸干,加入二氯甲烷/甲醇混合溶剂溶解,加入硅胶粉,蒸干,干法上样,以0-5%甲醇/二氯甲烷混合溶剂为洗脱剂进行柱层析。收集目标产物,浓缩,真空烘箱干燥得到产品1.28g。1H-NMR(600MHz,DMSO-d6)δ12.10(s,1H),8.44-8.23(m,1H),7.66-7.49(m,2H),7.30-7.14(m,2H),4.46-4.35(m,1H),4.08-3.99(m,2H),3.02-2.97(m,1H),2.95-2.87(m,1H),2.38-2.29(m,4H),1.28(s,12H),1.13-1.08(m,3H)
2.27 76-258的制备
将76-204(0.78g,0.0068mmol)、76-230(0.2g,0.2448mmol)、EDCI(0.04g,0.10mmol)和HOBT(0.01g,0.10mmol)加入到250ml圆底烧瓶中,用DMF(20ml)使其溶解后,再将反应烧瓶置于0℃条件下搅拌约20分钟,然后缓慢滴加DIEA(0.1ml,0.61mmol),滴加完毕后,并将反应烧瓶继续置于室温条件下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,重复3次,抽滤得到固体产物,将得到的固体产物用1/1的二氯甲烷/甲醇混合溶剂溶解,干法上样,以1%氨水/6-12%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.50g。1H-NMR(600MHz,DMSO-d6)δ10.10-9.63(m,24H),8.97-8.74(m,4H),8.61-7.47(m,150H),7.34-6.92(m,42H),6.72-6.49(m,4H),6.20-5.90(m,52H),4.57-4.30(m,24H),4.27-4.17(m,15H),4.05-3.98(m,40H),3.72- 3.38(m,2901H),3.21-3.10(m,94H),3.07-2.93(m,182H),2.93-2.83(m,30H),2.81-2.67(m,162H),2.36-2.21(m,81H),2.18-2.01(m,49H),1.79-1.65(m,95H),1.57-1.03(m,277H),1.03-0.93(m,72H)
实施例3化合物88-206的合成



3.1 88-85的制备
称取N'-芴甲氧羰基-N-苄氧羰基-L-赖氨酸(4.0g,7.95mmol)、HBTU(3.32g,8.75mmol)和HOBT(1.18g,8.75mmol)加入装有β-丙氨酸叔丁酯(1.59g,8.75mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(2.29ml,17.51mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,得到粗产品5g。
3.2 88-86的制备
在装有88-85(5g,7.95mmol)的烧瓶中加入DMF,超声振荡至完全溶解后加入吗啉(17ml,119mmol),放于室温下搅拌反应2h。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体, 再用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以甲醇/二氯甲烷的混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品3.3g。
3.3 88-89的制备
称取76-89(1.02g,1.93mmol)、HBTU(2.42g,6.38mmol)和HOBT(0.86g,6.38mmol)加入装有88-86(2.60g,6.38mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(1.52ml,9.21mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,再用甲醇/二氯甲烷(体积比为1:4)混合溶剂溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以二氯甲烷/甲醇的混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品1.5g。1H-NMR(600MHz,DMSO-d6)δ7.98-7.89(m,6H),7.39-7.28(m,20H),7.22-7.16(m,3H),7.15-7.10(m,1H),5.08-5.05(m,2H),5.04-4.98(m,6H),4.20-4.14(m,3H),3.56-3.49(m,12H),3.30-3.25(m,4H),3.20-3.13(m,3H),2.97-2.92(m,6H),2.44-2.40(m,2H),2.37-2.31(m,12H),1.60-1.53(m,3H),1.50-1.40(m,5H),1.39-1.37(m,27H),1.27-1.14(m,8H),1.12-1.03(m,2H)
3.4 88-90的制备
将88-89(0.13g,0.077mmol)和10%的Pd/C催化剂(0.08g)投入到氢化反应釜中,然后加入DMF(30ml)使其溶解,封闭氢化反应装置,以水泵抽真空,再充入约2MPa的氢气,如此重复三次,最后调节氢化反应装置上的压力读数为1.8MPa,然后在常温下过夜反应。反应结束,反应液用硅藻土过滤,滤饼用DMF(20mlⅹ3)清洗,得到产品的DMF溶液,作为下一部反应原料。FT MS ESI m/z[M+H+]1203.74316,[M+Na+]1225.72241
3.5 88-97的制备
将88-90(0.092g,0.077mmol)投入到250ml的烧瓶中,用DMF(20ml)使之溶解,再缓慢滴加入装有DIEA(0.2ml,1.23mmol)和M-SCM-10K(2.02g,0.24mmol,购于键凯)的DMF溶液中,将反应置于室温下避光低速搅拌反应一周。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集,真空烘箱干燥得到产品。
3.6 88-103的制备
称取88-97(2.53g,0.077mmol)、HBTU(0.032g,0.0847mmol)和HOBT(0.012g,0.0847mmol)加入装有70-68(0.059g,0.0847mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.10ml,0.3390mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品1.1g,产率44.00%。
3.7 88-105的制备
在装有88-103(1.1g,0.0.0328mmol)的烧瓶中加入二氯甲烷,超声振荡至完全溶解后加入TFA(0.2ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品0.9g。
3.8 88-113的制备
称取88-105(0.9g,0.027mmol)、HBTU(0.06g,0.16mmol)和HOBT(0.02g,0.16mmol)加入装有76-93(0.23g,0.16mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.2ml,0.8mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品。
3.9 88-192的制备
在装有88-113(0.8g,0.023mmol)的烧瓶中加入二氯甲烷,超声振荡至完全溶解后加入TFA(0.2ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品0.78g。
3.10 88-205的制备
称取88-203(0.78g,0.02mmol)、HBTU(0.22g,0.6013mmol)和HOBT(0.08g,0.0613mmol)加入装有6-马来酰亚胺基己酸(0.78g,0.4410mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.30ml,1.8040mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品。
3.11 88-206的制备
将88-205(0.68g,0.0176mmoL)和Sodium mercaptododecaborate(10B,BSH)(0.0886g,0.4216mmoL,购于捷克CATCHEM)投入250ml烧瓶中,用DMF(10ml)溶解,搅拌反应过夜。反应结束,加入甲基叔丁基醚和正己烷,以超声波处理后静置20min后有固体析出倒去上清液,再次加入甲基叔丁基醚和正己烷,以超声波处理后静置20min倒去上清液,烘干得到产品0.6g,产率83.33%。1H-NMR(600MHz,DMSO-d6)δ8.26-7.63(m,65H),4.24-4.15(m,12H),4.13-4.10(m,18H),3.90-3.83(m,33H),3.54-3.50(m,3256H),3.20-3.16(m,73H),2.92-2.84(m,64H),2.26-2.19(m,32H),2.15-2.07(m,60H),1.49-1.43(m,72H),1.35-1.25(m,162H),1.03-0.94(m,176H)
实施例4化合物78-131的合成



4.1 78-129的制备
在装有59-69(0.5g,0.4624mmol)的烧瓶中加入TBAF(2.9g,9.248mmol),加入THF(15ml)超声振荡至完全溶解,在室温下搅拌反应过夜。反应结束,减压旋蒸除去THF,再用乙酸乙酯和纯水萃取,收集有机相溶液,水相再用乙酸乙酯萃取两次,收集有机相,用无水硫酸钠除水,蒸干得产物0.3g。
4.2 78-50的制备
在装有76-84(1g,1.98mmol)的烧瓶中加入二氯甲烷,超声振荡至完全溶解后加入TFA(2.2ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml)和正己烷(20ml),产品为油状附着在瓶底,倒去上清液后再次加入甲基叔丁基醚(60ml)和正己烷(20ml),如此重复4次后,转入真空烘箱干燥,得到78-50产品0.67g。ESI[M+H+]338.14,[M+Na+]360.13
4.3 78-51的制备
称丁二酸单叔丁酯(3g,17.2mmol)和N-羟基琥珀酰亚胺(2.6g,22.4mmol)于500ml圆底烧瓶中,加入二氯甲烷(20ml),以超声波辅助溶解后再加入DCC(16.71g,81.015mmol)搅拌反应过夜。反应完全后,过滤,收集滤液,滤液浓缩后加入4/1的正己烷/石油醚混合溶液沉降,过滤产品,再加入正己烷/石油醚混合溶液清洗3次。产品干燥后再加混合溶剂溶解,在加入硅胶粉(40ml)蒸干,干法上样,以20-40%乙酸乙酯/石油醚为洗脱剂进行柱层析,得到78-51产品3.5g,产率75%。1H-NMR(600MHz,DMSO-d6)δ2.88-2.84(m,2H),2.80-2.77(s,4H),2.58-2.53(m,2H),1.41-1.37(m,9H);ESI[M+Na+]294.09
4.4 80-183的制备
称取78-50(0.67g,1.98mmol)和78-51(0.65g,2.41mmol)加入500ml的烧瓶中,再加入适量DMF使其溶解,缓慢滴加DIEA(3.7ml,21.9mmol),滴毕,在室温下搅拌反应过夜。反应完成后,再加入甲基叔丁基醚(60ml)和正己烷(20ml)沉降,产品为油状附着在瓶底,倒去上清液后,再次加 入甲基叔丁基醚(60ml)和正己烷(20ml)沉降,如此重复4次后,转入真空烘箱干燥得到80-183产品0.84g。
4.5 80-180的制备
称取N'-芴甲氧羰基-N-苄氧羰基-L-赖氨酸(3.5g,7mmol),β-丙氨酸苄酯(2.46g,7mmol)HBTU(2.9g,7.7mmol),HOBT(1.0g,7.7mmol)加入装有500ml的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(2.3ml,14mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入饱和氯化钠溶液和乙酸乙酯(200ml)萃取,收集、浓缩、蒸干、干燥,得到80-180产品4.6g。
4.6 80-185的制备
取反应物80-180(4.6g,7mmol),加入DMF(30ml)溶解;再加入吗啉(9ml,105mmol),在室温下搅拌反应过夜。反应完成后,加入饱和碳酸氢钠溶液和乙酸乙酯(200ml)进行萃取,收集有机相进行浓缩,加入200-300目的硅胶粉,蒸干,干法上样,以1.5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到80-185产物3.09g。
4.7 80-186的制备
称取80-183(0.84g,1.7mmol)、80-185(2.5g,5.6mmol)、HBTU(2.12g,5.6mmol)和HOBT(0.76g,5.6mmol)加入装有500ml的烧瓶中,再加入适量DMF使其溶解,缓慢滴加DIEA(1.7ml,10.2mmol),滴毕在室温下搅拌反应过夜。反应结束加入甲再加入甲基叔丁基醚(60ml)和正己烷(20ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,用混合溶剂溶解后加入硅胶粉,蒸干,干法上样,以3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到80-186产物0.8g。1H-NMR(600MHz,DMSO-d6)δ8.08-7.85(m,6H),7.46-7.24(m,30H),7.24-7.13(m,3H),5.08(s,6H),5.01(s,6H),4.17(s,3H),3.76-3.37(m,18H),3.22(s,6H),3.02-2.70(m,8H),2.60(m,2H),2.39-2.29(m,6H),1.50(s,6H),1.35(s,9H),1.29-1.25(m,6H),1.22(s,6H);ESI[M+Na+]1786.85
4.8 78-108的制备
将80-186(1.0g,0.567mmol)和10%的Pd/C催化剂(0.3g)投入到氢化反应釜中,然后加入DMF(30ml)使其溶解,封闭氢化反应装置,以水泵抽真空,充入约2MPa的氢气,如此重复三次,调节氢化反应装置上的压力读数至1.8MPa,然后在常温下过夜反应。反应结束后,反应液用硅藻土过滤,滤饼用DMF(20mlⅹ3)清洗,得到含78-108产品0.49g的DMF溶液,作为下一部反应原料。1H-NMR(600MHz,DMSO-d6)δ8.21-8.13(m,7H),4.16(s,3H),3.63(s,18H),2.74(s,8H),2.31(s,6H),2.17(s,8H),1.51(s,12H),1.38(s,9H),1.23(s,6H)
4.9 78-122的制备
将78-108(0.1g,0.09mmol)置于50ml圆底烧瓶中然后加入超干DMF(3ml),以超声波辅助溶解,将混合液置于0℃条件下搅拌3分钟。再缓慢滴加DIEA(0.2ml,1.23mmol),继续搅拌反应5分钟后,加入M-SCM-10K(3.0g,0.28mmol),反应结束后,加入甲基叔丁基醚(450ml)沉降,固体析出,抽滤,滤饼重新用适量二氯甲烷溶解,加入200-300目的硅胶粉蒸干.干法上样,以1%氨水/9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到78-122产物3.0g。
4.10 78-125的制备
称取78-122(1.8g,0.056mmol)、81-203(1.22g,0.23mmol)、HBTU(0.1g,0.26mmol)和HOBT(0.037g,0.26mmol)加入装有500ml的烧瓶中,再加入适量DMF使其溶解,搅拌缓慢滴加DIEA(0.12ml,0.76mmol),滴加完毕后在室温下搅拌反应过夜。反应结束,加入甲再加入甲基叔丁基醚(60ml)和正己烷(20ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,用混合溶剂溶解后加入硅胶粉,蒸干,干法上样,以7%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到78-125产物2.65g。
4.11 78-128的制备
在装有78-125(2.65g,0.055mmol)的烧瓶中加入二氯甲烷,超声振荡至完全溶解后加入TFA(13.5ml),放于室温下搅拌反应过夜。反应结束,加入甲基叔丁基醚(60ml)和正己烷(20ml)沉降,反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,真空烘箱干燥到78-128产物2.5g。
4.12 78-131的制备
称取78-128(2.5g,0.052mmol)、78-129(0.1g,0.1mmol)、HBTU(0.041g,0.11mmol)和HOBT(0.015g,0.11mmol)加入装有500ml的烧瓶中,再加入适量DMF使其溶解,搅拌缓慢滴加DIEA(0.04ml,0.234mmol),滴加完毕后在室温下搅拌反应过夜。反应结束,加入甲再加入甲基叔丁基醚(60ml)和正己烷(20ml)沉降,反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,用混合溶剂溶解后加入硅胶粉,蒸干,干法上样,以1%三乙胺/8%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到78-131产物0.2g。1H-NMR(600MHz,DMSO-d6)δ8.77-8.69(m,10H),8.58-8.49(m,10H),8.26-8.15(m,28H),8.14-7.93(m,72H),7.91-7.82(m,14H),7.81-7.77(m,11H),7.76-7.63(m,15H),7.52-7.43(m,16H),7.40-7.25(m,42H),7.25-7.16(m,78H),7.15-7.11(m,21H),7.11-7.08(m,12H),7.06-7.03(m,3H),7.03-6.96(m,16H),6.91-6.88(m,5H),5.30-5.22(m,21H),4.80-4.67(m,18H),4.62-4.52(m,15H),4.42-4.32(m,15H),4.31-4.09(m,42H),3.88-3.71(m,42H),3.69-3.58(m,62H),3.56-3.44(m,2876H),3.28-3.10(m,15H),3.09-2.97(m,60H),2.86-2.70(m,27H),2.65-2.58(m,15H),2.44-2.28(m,35H),2.28-2.03(m,36H),1.94-1.67(m,30H),1.66-1.55(m,33H),1.54-1.41(m,63H),1.36-1.35(m,32H),1.34-1.34(m, 36H),1.23-1.22(m,90H)
实施例5化合物72-188的合成



5.1 59-223的制备
将1,3-二氨基-2-羟基丙烷(4.5g,52.74mmol)加入到250mL烧瓶中,加入甲醇(40mL)使其溶解,将反应置于室温搅拌反应,加入三乙胺(1mL),继续室温搅拌反应10分钟,缓慢加入Boc-酸酐(35g,146.52mmol)之后,置于45℃水浴搅拌反应20分钟,取出置于室温搅拌反应3小时。反应结束,减压浓缩反应液,再加入乙酸乙酯(100mL)和纯水(200ml)萃取,收集合并有机相,加入无水硫酸钠干燥,抽滤,收集滤液,蒸干,然后加入正己烷溶解,置于65摄氏度水浴,回流20分钟,冷却至室温,有固体析出,抽滤得到固体产物,收集滤饼,真空烘箱干燥,得到产品10g。1H-NMR(600MHz,DMSO-d6)δ6.61(s,2H),4.76(s,1H),3.44(dd,J=10.8,5.4Hz,1H),2.89(d,J=50.2Hz,4H),1.38(s,18H)
5.2 59-224的制备
将氢化钠(1.2g,46.35mmol)加入到250ml双颈烧瓶中,加入超干THF(20ml)使其溶解,将反应置于冰水浴条件下搅拌反应,先后加入59-223(9.38g,32.305mmol)和溴乙酸苄酯(7.7ml,48.46mmol),然后继续室温搅拌反应,整个过程在氮气保护下进行。反应结束,将反应液转移到装有5%的稀甲酸水溶液的1L的分液漏斗中,加入乙酸乙酯(200ml),进行萃取,得有机相,水相用乙酸乙酯(200ml x 3)萃取。合并有机相用饱和食盐水(200ml x 2)清洗,蒸干。将得到的固体产物用二氯甲烷/甲醇 混合溶剂溶解,干法上样,以8-20%乙酸乙酯/石油醚混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品6.8g,产率39.8%。1H-NMR(600MHz,DMSO-d6)δ7.37(t,J=11.2Hz,5H),6.66(s,2H),5.16(s,2H),4.24(s,2H),3.08-2.95(m,5H),1.37(s,18H)
5.3 59-230的制备
将59-224(6.8g,15.507mmol)加入到反应烧瓶中,加入4M的盐酸-1,4-二氧六环(155.07ml)超声振荡至完全溶解后,放于室温下搅拌反应5小时。反应结束后,先将反应液浓缩蒸干,加入二氯甲烷(30ml),以超声波处理后旋干,重复该操作5次。干燥,得到产品3.7g。
5.4 59-231的制备
将59-230(3.7g,15.507mmol)、丁二酸叔丁酯(5.94g,34.1154mmol)、HATU(12.97g,34.1154mmol)加入到250ml烧瓶中,加入DMF(50ml)使其溶解,将反应置于0摄氏度搅拌约20分钟,然后缓慢滴加DIEA(23ml,139.563mmol),滴加完毕后,继续于0摄氏度搅拌反应5小时。反应结束,加入乙酸乙酯(200ml)和纯水(200ml)进行萃取,使用乙酸乙酯(100ml×3)对水相进行萃取。合并有机相,浓缩至150ml,用纯水洗涤3次,收集乙酸乙酯相。旋干,用二氯甲烷/甲醇混合溶剂溶解,干法上样,以0.5-1.5%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品4.8g,产率56.47%。1H-NMR(600MHz,DMSO-d6)δ7.83(s,2H),7.38(d,J=4.5Hz,5H),5.16(s,2H),4.28(s,2H),3.21-3.10(m,5H),2.39(t,J=6.8Hz,4H),2.30(t,J=7.0Hz,4H),1.37(d,J=3.5Hz,18H)
5.5 72-129的制备
将59-231(2.5g,4.54mmol)加入到反应烧瓶中,加入二氯甲烷(5ml),超声振荡至完全溶解后加入TFA(15ml,181.6mmol),放于室温下搅拌反应过夜。反应结束后,先将反应液浓缩蒸干,加入二氯甲烷,旋干,如此重复3次。再加入甲基叔丁基醚沉降,以超声波处理10分钟,静置,抽滤,收集滤饼,如此重复3次,真空干燥,得到产品1.52g,产率76.38%。
5.6 72-139的制备
将72-129(0.71g,1.634mmol)、76-58(2.13g,3.593mmol)、HBTU(1.8531g,4.901mmol)和HOBT(0.66g,4.901mmol)加入到250ml圆底烧瓶中,用DMF(20ml)使其溶解后,再将反应烧瓶置于室温条件下搅拌约20分钟,然后缓慢滴加DIEA(8.8ml,68.426mmol),滴加完毕后,并将反应烧瓶置于室温下搅拌。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,将得到的固体产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以3-4%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品2.247g,产率86.4%。1H-NMR(600MHz,DMSO-d6)δ8.12(d,J=7.2Hz,2H),7.93-7.87(m,4H),7.73(s,2H),7.35(dt,J=12.1,5.6Hz,15H),7.23(s,2H),5.15(s,2H),5.00(s,4H),4.25(s,2H),4.15(d,J=5.2Hz,5H),3.27(d,J=6.9Hz,2H),3.15(dd,J=12.9,6.1Hz,6H),2.96(d,J=6.7Hz,4H),2.40-2.26(m,14H),2.20-2.13(m,4H),1.89(td,J=13.8,5.3Hz,2H),1.76-1.69(m,2H),1.63(dd,J=14.0,8.6Hz,2H),1.52-1.46(m,2H),1.38(s,18H),1.37(s,18H),1.25(dd,J=12.2,6.2Hz,6H)
5.7 72-142的制备
将72-139(0.5g,0.315mmol)加入到氢化反应釜中,加入含量为10%的Pd/C催化剂(0.03g),加入甲醇(20ml),通入氢气,调节氢气压力为300Psi,反应在室温下搅拌反应3天。反应结束后,将反应液用硅藻土过滤,滤饼用甲醇(15ml×3)清洗,滤液装入500ml的圆底烧瓶中,旋蒸,加入 二氯甲烷溶解,再加入0.05ml的甲苯,旋干,重复该操作5次,干燥即得72-142产物0.387g。1H-NMR(600MHz,DMSO-d6)δ9.16-9.09(m,1H),8.18(dd,J=13.8,7.4Hz,2H),8.01(dd,J=23.7,7.9Hz,2H),7.89(dd,J=6.1,3.0Hz,4H),5.12-5.10(m,4H),4.16(d,J=4.7Hz,5H),3.75(s,2H),3.27(dd,J=11.9,6.1Hz,4H),3.20-3.13(m,4H),2.79-2.72(m,4H),2.43-2.28(m,14H),2.18(dd,J=15.9,9.5Hz,4H),1.89(d,J=14.5Hz,2H),1.76-1.62(m,6H),1.50(dd,J=15.5,6.0Hz,6H),1.38(d,J=5.1Hz,36H)
5.8 72-149的制备
将72-142(0.115g,0.0939mmol)投入到250ml的烧瓶中,用无水DMF(30ml)使之溶解,将反应置于-5℃反应10分钟,再缓慢滴加DIEA(0.3ml,1.877mmol),继续低温下搅拌30分钟后,加入M-SCM-10K(2g,0.1877mmol,购于键凯Lot Number:A3016-N230101),反应置于室温下避光低速搅拌一周。反应结束后,再加甲基叔丁基醚(200ml)和正己烷(70ml),固体析出,抽滤,滤饼用甲基叔丁基醚(40mlⅹ3)清洗,收集滤饼,将得到的固体产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以1%氨水/5-10%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品2.01g,产率76.8%。1H-NMR(600MHz,DMSO-d6)δ9.16-9.13(m,1H),9.06-8.56(m,2H),8.26-8.202(m,2H),8.018-7.96(m,2H),7.729-7.661(m,4H),4.181-4.114(m,3H),4.089-4.056(m,2H),4.02-3.96(m,2H),3.52-3.50(m,1914H),3.28-3.25(m,4H),3.202-3.134(m,4H),3.10-3.06(m,4H),2.42-2.31(m,14H),2.21-2.15(m,4H),1.95-1.87(m,2H),1.77-1.69(m,2H),1.68-1.605(m,2H),1.56-1.48(m,2H),1.406-1.394(m,2H),1.388-1.369(m,36H),1.351-1.318(m,4H)
5.9 72-154的制备
将72-149(2.01g,0.0901mmol)、70-68(0.13g,0.189mmol)、HBTU(0.0513g,0.135mmol)和HOBT(0.0183g,0.135mmol)加入到250ml圆底烧瓶中,用DMF(20ml)使其溶解后,再将反应烧瓶置于室温条件下搅拌约20分钟,然后缓慢滴加DIEA(0.1ml,0.6051mmol),滴加完毕后,并将反应烧瓶继续置于室温条件下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物。将得到的固体产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以1%氨水/5-7%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.9g,产率45%。1H-NMR(600MHz,DMSO-d6)δ8.61-8.54(m,1H),8.25-8.21(m,1H),8.20-8.08(m,6H),8.075-8.008(m,4H),7.97-7.85(m,6H),7.75-7.71(m,2H),7.69-7.66(m,2H),7.61-7.59(m,1H),7.54-7.51(m,1H),7.29-7.23(m,5H),4.6-4.56(m,1H),4.48-4.42(m,1H),4.39-4.33(m,1H),4.19-4.03(m,7H),3.98-3.93(m,3H),3.52-3.50(m,1914H),3.27-3.26(m,1H),3.18-3.14(m,4H),3.08-3.03(m,8H),2.92-2.89(m,2H),2.81-2.72(m,4H),2.40-2.32(m,14H),2.2-2.14(m,4H),2.02-1.96(m,2H),1.93-1.86(m,3H),1.82-1.77(m,2H),1.74-1.7(m,2H),1.66-1.6(m,4H),1.54-1.46(m,6H),1.42-1.39(m,2H),1.38-1.36(m,36H),0.91-0.88(m,3H),0.86-0.84(m,3H)
5.10 72-163的制备
将72-154(0.9g,0.03916mmol)加入到250ml的圆底烧瓶中,加入二氯甲烷(2ml),以超声波辅助溶解,然后加入TFA(10ml,3.13mmol)室温下搅拌反应。反应完成后,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,收集滤饼,真空烘箱干燥,得到产品0.83g。1H-NMR(600MHz,DMSO-d6)δ9.33-9.29(m,4H),8.59-8.56(m,1H),8.28-8.24(m,1H),8.23-8.15(m,4H),8.13-8.08(m,3H),8.07-8.05(m,2H),8.04-8.01(m,1H),8.0-7.85(m,6H),7.72-7.66(m,4H),7.62-7.57(m,1H),7.55-7.50(m,1H),7.29-7.27(m,1H),7.26-7.22(m,4H),4.58-4.55(m,1H),4.45-4.43(m,1H),4.36-4.34(m,1H),4.11-4.05(m,7H),3.96-3.94(m,3H),3.52-3.50(m,1914H),3.21-3.02(m,13H),2.8-2.72(m,2H),2.65-2.60(m,4H),2.40-2.33(m,14H),2.22-2.15(m,4H),2.0-1.88(m,3H),1.82-1.72(m,4H),1.68-1.58 (m,4H),1.54-1.48(m,4H),1.46-1.33(m,6H),0.91-0.88(m,3H),0.85-0.83(m,3H)
5.11 72-167的制备
将72-163(0.56g,0.0246mmol)、76-93(0.28g,0.1968mmol)、HBTU(0.075g,0.1476mmol)和HOBT(0.027g,0.1476mmol)加入到250ml圆底烧瓶中,用DMF(40ml)使其溶解后,再将反应烧瓶置于室温条件下搅拌约20分钟,然后缓慢滴加DIEA(0.07ml,0.4428mmol),滴加完毕后,并将反应烧瓶继续置于室温条件下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,重复3次,抽滤得到固体产物,将得到的固体产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以1%氨水/6-10%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.793g,产率76.47%。1H-NMR(600MHz,DMSO-d6)δ8.58-8.56(m,1H),8.28-8.17(m,17H),8.11-8.05(m,21H),8.03-8.00(m,5H),7.99-7.97(m,6H),7.87-7.85(m,6H),7.83-7.82(m,6H),7.77-7.74(m,4H),7.71-7.68(m,4H),7.60-7.58(m,1H),7.53-7.51(m,1H),7.24-7.22(m,5H),4.58-4.55(m,1H),4.45-4.43(m,1H),4.36-4.34(m,1H),4.21-4.17(m,12H),4.09-4.06(m,7H),3.96-3.95(m,3H),3.52-3.50(m,1914H),3.43-3.38(m,128H),3.19-3.15(m,45H),3.06-3.04(m,32H),2.76-2.74(m,2H),2.65-2.60(m,12H),2.37-2.31(m,14H),2.13-2.10(m,28H),1.87-1.78(m,32H),1.75-1.71(m,15H),1.48-1.43(m,30H),1.37-1.36(m,144H),0.91-0.88(m,3H),0.85-0.83(m,3H)
5.12 72-173的制备
将72-167(0.793g,0.0279mmol)加入到250ml的圆底烧瓶中,加入二氯甲烷(5ml),以超声波辅助溶解,然后加入TFA(0.7ml,8.8mmol)室温下搅拌反应。反应完成后,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,收集滤饼,真空烘箱干燥得到产品0.649g。
5.13 72-188的制备
将72-173(0.449g,0.0167mmol)、76-230(0.224g,0.5353mmol)、HBTU(0.152g,0.4014mmol)和HOBT(0.054g,0.4014mmol)加入到250ml圆底烧瓶中,用DMF(30ml)使其溶解后,再将反应烧瓶置于室温条件下搅拌约20分钟,然后缓慢滴加DIEA(0.2ml,1.204mmol),滴加完毕后,并将反应烧瓶继续置于室温条件下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200 ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以1%氨水/5-10%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.053g,产率8.55%。1H-NMR(600MHz,DMSO-d6)δ8.57(s,1H),8.35-8.28(m,16H),8.27-8.18(m,17H),8.11-8.05(m,26H),8.00-7.99(m,12H),7.90-7.86(m,22H),7.75-7.74(m,4H),7.70-7.68(m,36H),7.59-7.58(m,2H),7.18-7.16(m,36H),4.60-4.59(m,1H),4.43-4.38(m,18H),4.26-4.22(m,12H),4.04-4.00(m,42H),3.52-3.50(m,1914H),3.44-3.40(m,128H),3.22-3.11(m,45H),3.00-2.98(m,32H),2.92-2.91(m,32H),2.76-2.75(m,2H),2.62-2.60(m,12H),2.40-2.19(m,78H),2.18-2.05(m,28H),1.66-1.62(m,47H),1.45-1.43(m,30H),1.36-1.34(m,177H),1.11-1.08(m,48H),0.91-0.90(m,6H)
实施例6化合物70-261的合成


6.1 70-187的制备
称取Fmoc-甘氨酸(10g,33.64mmol购于伊诺凯)、叔丁氧基甲酰肼(5.78g,43.72mmol)和DCC(6.94g,33.64mmol)置于烧瓶中,再加入乙酸乙酯(30ml)使其完全溶解,置于0℃下,反应2小时后取出,在室温下继续搅拌搅拌反应,4小时后用TLC监测反应情况。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,浓缩蒸干至固体,真空烘箱干燥得到产品。
6.2 70-193的制备
在装有70-187(33.64mmol)的烧瓶中加入THF(40ml),以超声波辅助溶解后加入二乙胺(68ml,672.8mmol),放于室温下搅拌反应2h。反应结束后,用TLC监测反应情况。反应结束后,将反应液用旋转蒸发仪蒸干,加入二氯甲烷溶解(未完全溶解),再次蒸干,如此重复五次,最后加入甲醇/二氯甲烷混合溶剂进行溶解,加入硅胶粉蒸干,干法上样,以0.8%氨水/8%甲醇/二氯甲烷洗脱剂进行柱层析,收集目标产物,干燥得产品6.3g,产率86.82%。
6.3 70-196的制备
将Fmoc-Glu-OH(2.0g,5.4mmol)、H-Glu(OtBu)-OtBu.HCl(3.5g,11.9mmol)、HOBT(1.8g,13.0mmol)和HBTU(4.9g,13.0mmol)加入到500ml烧瓶中,用DMF(60ml)溶解后,在将反应置于0℃下搅拌约20分钟,缓慢滴加DIEA(4.0ml,23.8mmol),滴加完毕后,取出反应液至室温下搅拌,用TLC监测反应情况。反应结束后,将反应液移入1L分液漏斗中,加饱和碳酸氢钠溶液(200ml)和乙酸乙酯(300ml)进行萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×3)。合并有机相,用纯水清洗(150ml×2),浓缩,蒸干得到产品5.9g,超产。
6.4 70-197的制备
在装有70-196(11.9g,5.4mmol)的烧瓶中加入DMF(80ml),以超声辅助溶解后加入吗啡啉(9.4ml,108mmol),放于室温下搅拌反应2h。反应结束后,抽滤,加入饱和碳酸氢钠溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干得固体产品4.5g,超产。
6.5 70-198的制备
称取70-197(4.5g,5.4mmol)、88-14(1.9g,5.4mmol)、HOBT(0.88g,6.5mmol)和HBTU(2.5g,6.5mmol)加入到反应烧瓶中,用DMF(40ml)使其溶解,在将反应置于0℃下搅拌约20分钟,缓慢滴加DIEA(2.0ml,11.9mmol),滴加完毕后,反应继续在0℃下搅拌。反应结束后,将反应液转移至1L的分液漏斗中,加入饱和氯化钠溶液(200ml)和乙酸乙酯(150ml)进行萃取,得到有机相,水相用乙酸乙酯(200ml x 2)萃取。合并有机相用去离子水(250ml x 2)清洗,将有机相浓缩、蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶液(100ml)溶解,加入硅胶粉(100ml),蒸干成粉末状固体,干法上样,以0.5-5%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品4.2g,产率80.75%。
6.6 70-199的制备
在装有70-198(4.2g,4.35mmol)的烧瓶中加入二氯甲烷(15ml),以超声波辅助溶解后加入TFA(25.9ml,348.12mmol),放于室温下搅拌反应过夜,用TLC监测反应进展。反应结束后,先将反应液减压浓缩除去二氯甲烷和大部分TFA,加入正己烷(100ml)和甲基叔丁基醚(100ml)沉降,呈油状固体,倒去上层清液,加入乙酸乙酯(15ml),以超声波处理得到白色浑浊液,再加入正己烷(100ml)进行沉降,呈粉末状固体,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼真空干燥,得到产品3.0g,产率93.8%。
6.7 70-200的制备
称取70-193(1.2g,5.94mmol)、70-199(1g,1.35mmol)、HBTU(2.5g,6.48mmol)和HOBT(0.9g,6.48mmol)加入到250ml烧瓶中,再加入DMF(30ml)使其溶解,置于-5℃下,缓慢滴加DIEA(2.0ml,11.88mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜,用TLC监测反应进展。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤、干燥得到固体产物2.5g。
6.8 70-201的制备
在装有70-200(2.5g,1.35mmol)的烧瓶中加入THF(15ml),以超声辅助溶解后加入二乙胺(2.0ml,27mmol),放于室温下搅拌反应2h。反应结束后,将反应液蒸干,将得到的固体产物用二氯甲烷和甲醇溶解,干法上样,以5-12%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物、浓缩、干燥得到产品0.9g,产率56.25%。1H-NMR(600MHz,DMSO-d6)δ8.29(s,3H),8.14-8.06(m,5H),8.05-7.99(m,2H),7.95(s,5H),5.13(s,2H),4.28-4.23(m,2H),4.19-4.15(m,1H),3.76-3.67(m,8H),2.65-2.60(m,2H),2.20-2.16(m,6H),1.94-1.83(m,4H),1.80-1.68(m,4H),1.43-1.53(m,4H),1.39(s,36H),1.29-1.22(m,2H);ESI[M+H+]1203.628
6.9 71-222的制备
称取1,3-二氨基-2-羟基丙烷(6g,66.5778mmol)加入到250ml烧瓶中,加入DMSO(7ml)使其溶解,将反应置于15℃下搅拌,通氮气保护,再滴加5M的氢氧化钠水溶液(0.7ml),滴加完毕后搅拌10分钟,再滴加丙烯酸叔丁酯(38.6ml,266.3112mmol),滴加完毕后搅拌20分钟,将反应烧瓶取出于室温下搅拌反应24小时。反应结束后,将反应液转移至1L的分液漏斗中,加入饱和氯化钠溶液(200ml)和乙酸乙酯(150ml)进行萃取,得到有机相,水相用乙酸乙酯(200ml x 2)萃取。合并有机相用去离子水(250ml x 2)清洗,将有机相浓缩,蒸干,再用1/4的甲醇/二氯甲烷混合溶液(50ml)溶解,加入硅胶粉(100ml),蒸干成粉末状固体,干法上样,以0-2%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品1.0g。1H-NMR(600MHz,DMSO-d6)δ3.68-3.58(m,2H),3.37-3.34(m,1H),2.73-2.63(m,4H),2.62-2.56(m,3H),2.47-2.34(m,6H),2.29(d,6.6Hz,6H),1.39(d 36H)
6.10 70-185的制备
将71-222(1.2g,2.0mmol)、丁二酸单苄脂(0.46g,2.2mmol)和HATU(0.92g,2.4mmol)加入到250ml烧瓶中,加入DMF(20ml)使其溶解,将反应置于-5摄氏度搅拌约20分钟,然后缓慢滴加DIEA(1.0ml,4.4mmol),滴加完毕后,继续于-5摄氏度搅拌20分钟,然后移至室温下搅拌反应。反应结束,加入饱和NaCl溶液(100ml)和乙酸乙酯(100ml)进行萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml×3)萃取,合并有机相蒸干至固体,用混合溶剂溶解,加入硅胶粉蒸干,干法上样,以30%乙酸乙酯/石油醚为洗脱剂进行柱层析,收集、浓缩并干燥得到产品1.3g,产率85.44%。1H-NMR(600MHz,DMSO-d6)δ7.38-7.31(m,5H),5.06(s,2H),3.74-3.44(m,5H),3.38-3.35(m,2H),3.17(s,1H),2.70-2.56(m,8H),2.41-2.26(m,9H),1.40-1.37(m,36H)
6.11 70-186的制备
在装有70-185(0.3g,0.38mmol)的烧瓶中加入二氯甲烷(5ml),以超声波辅助溶解后加入TFA(4.9ml,66.356mmol),放于室温下搅拌反应。反应结束后,先将反应液浓缩除去二氯甲烷和大部分TFA,加入正己烷(200ml)和甲基叔丁基醚(200ml)沉降,倒去上清液,得油状固体,加入乙酸乙酯(15ml),以超声处理得白色浑浊液,再加入正己烷(200ml)沉降得粉末状固体,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼,真空干燥得到产品0.16g。
6.12 70-204的制备
将70-186(0.16g,0.28mmol)、76-58(0.73g,1.24mmol)、HBTU(0.64g,1.69mmol)和HOBT(0.23g,1.69mmol)加入到500ml烧瓶中,用DMF(60ml)溶解后,在将反应置于0℃下搅拌约20分钟,缓慢滴加DIEA(20ml,121.8290mmol),滴加完毕后,反应继续在0℃下搅拌。反应结束后,将反应液转移至1L的分液漏斗中,加入饱和氯化钠溶液(100ml)和乙酸乙酯(150ml)进行萃取,得到有机相;水相用乙酸乙酯(100ml x 2)萃取。合并有机相用去离子水(150ml x 2)清洗,将有机相浓缩、蒸干,再用1/4的甲醇/二氯甲烷混合溶液(50ml)溶解,加入硅胶粉(10ml),蒸干得粉末状固体,干法上样,以0.3%氨水/0-4%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.5g。1H-NMR(600MHz,DMSO-d6)δ8.03-7.86(m,12H),7.40-7.30(m,J=6.6,25H),7.22-7.15(m,5H),5.08-5.04(m,2H),5.01-4.96(m,8H),4.34-4.09(m,10H),4.06-3.95(m,2H),3.62-3.46(m,6H),3.22-3.10(m,6H),3.05-2.90(m,12H),2.86-2.80(m,2H),2.73-2.63(m,6H),2.62-2.61(m,2H),2.39-2.38(m,2H),2.36-2.30(m,14H),2.21-2.11(m, 10H),1.88-1.79(m,6H),1.75-1.66(m,6H),1.64-1.55(m,6H),1.50-1.44(m,J=20.1,6H),1.38-1.37(m,32H),1.37-1.36(m,32H),1.26-1.23(m,8H);ESI[M+H+]2867.570.
6.13 70-208的制备
称取70-204(0.3g,0.105mmol)加入到微型氢化反应釜中,加DMF(20ml)溶解,再加入10%的Pd/C催化剂(0.1mg),用胶头滴管冲下反应釜壁的原料,加入搅拌磁石,密封反应釜。以水泵抽真空,通入H2,再抽真空,如此反复3次。最后通入H2使其氢化釜内气压稳定在2MPa,搅拌过夜,点TLC板监测,反应完成后用硅藻土过滤,收集滤液备用。部分滤液沉降干燥后进行表征。1H-NMR(600MHz,DMSO-d6)δ8.09-7.83(m,12H),7.38-7.24(m,4H),5.02-4.89(m,2H),4.22-4.11(m,8H),3.55-3.50(m,12H),3.19-3.13(m,12H),3.07-3.01(m,6H),2.91-2.86(m,4H),2.74-2.73(m,2H),2.71-2.69(m,2H),2.63-2.60(m,2H),2.39-2.38(m,2H),2.38-2.32(m,12H),2.21-2.10(m,14H),1.87-1.79(m,6H),1.75-1.67(m,6H),1.64-1.55(m,6H),1.51-1.45(m,6H),1.40-1.34(m,72H);ESI[M+Na+]2269.371
6.14 70-246的制备
取70-208滤液(0.066mmol),再加入DMF(15ml)和DIEA(0.5ml,2.64mmol),搅拌30min后,加入M-SCM-10K(2.90g,0.27mmol,购于键凯),于常温条件下避光低速搅拌反应,两天后用TLC监测反应进展;反应结束后,用甲基叔丁基醚/正己烷沉降,用沙星漏斗对其进行抽滤,收集滤饼;用甲基叔丁基醚清洗两次,将滤饼转移至烧瓶中烘干得产品2.8g,产率94.11%。
6.15 70-250的制备
取反应物70-246(7.82.8g,0.64mmol)、70-68(70.06g,0.080mmol)、HOBT(12g,0.9mmol)和HBTU(0.34g,0.9mmol)置于反应瓶中,加入适量DMF,以超声波辅助溶解,置于0摄氏度低温搅拌,滴入DIEA(0.7mml,4.4mmol),滴完之后,取出至室温继续搅拌反应1小时后,用TLC监测反应进展。反应结束后,用甲基叔丁基醚/正己烷沉降,用沙星漏斗对其进行抽滤,收集滤饼;重复上一步骤两次,将滤饼转移至烧瓶中,加入混合溶剂溶解,加入硅胶粉蒸干,干法上样,以1%氨水/8%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、干燥得产品2.1g,产率70.71%。1H NMR(600MHz,DMSO-d6)δ8.20-7.81(m,12H),7.71-7.63(m,2H),7.41-7.21(m,1H),6.62-6.54(m,1H),4.25-4.15(m,8H),3.63-3.63(m,8H),3.51-3.50(m,3828H),3.24-3.24(m,12H),3.20-3.19(m,2H),3.18-3.16(m,3H),3.16-3.15(m,2H),3.15-3.14(m,2H),3.12-3.11(m,1H),3.09-3.04(m,7H),2.63-2.61(m,6H),2.60-2.58(m,4H),2.41-2.37(m,6H),2.37-2.32(m,12H),1.88-1.78(m,6H),1.74-1.65(m,6H),1.64-1.54(m,6H),1.53-1.45(m,6H),1.40-1.36(m,72H),1.24-1.21(m,39H),0.91-0.88(m,3H),0.86-0.83(m,3H),
6.16 70-251的制备
取反应物70-250(0.044mmol),加入二氯甲烷(20ml)溶解,再加入TFA(35ml,472mmol),于常温条件下搅拌反应,用TLC监测反应进展。反应结束后,用旋转蒸发仪浓缩,用甲基叔丁基醚/正己烷沉降,用沙星漏斗对其进行抽滤,收集滤饼;以甲基叔丁基醚清洗两次,干燥得产品1.68g,产率85.81%。
6.17 70-256的制备
取反应物70-251(1.68g,0.0378mmol)、70-201(2.25g,1.87mmol)、HOBT(30mg,0.21mmol)和HBTU(80mg,0.21mmol)置于反应瓶中,加入适量DMF,以超声辅助溶解,置于0摄氏度低温搅拌,滴入DIEA(0.1ml,0.4mmol),滴完之后,取出至室温继续搅拌反应1小时后,用TLC监测反应进展。反应结束后,用甲基叔丁基醚/正己烷沉降,用沙星漏斗对其进行抽滤,收集滤饼;以甲基叔丁基醚清洗两次,干燥得产品1.69g。
6.18 70-257的制备
取反应物70-256(1.69g,0.31mmol),加入TFA(20ml)溶解,于常温条件下搅拌反应,用TLC监测反应进展。反应结束后,用旋转蒸发仪蒸干,用甲基叔丁基醚/正己烷沉降,用沙星漏斗对其进行抽滤,收集滤饼;以甲基叔丁基醚清洗两次,放烘箱烘干,得产品1.49g。
6.19 70-261的制备
取反应物70-257(1.49g,0.029mmol),加入甲醇(20ml)溶解;再加入TFA(0.1ml,1.173mmol)和盐酸阿霉素(0.68g,1.173mmol),于常温条件下避光低速搅拌反应,用TLC监测反应进展。反应结束后,用旋转蒸发仪蒸干,用甲基叔丁基醚/正己烷沉降,用沙星漏斗对其进行抽滤,收集滤饼;以甲基叔丁基醚清洗两次,收集滤饼,干燥得产品0.26g。1H-NMR(600MHz,DMSO-d6)δ9.32-9.29(m,1H),8.58-8.56(m,1H),8.53-8.50(m,1H),8.43-8.40(m,1H),8.23-8.19(m,15H),8.18-8.09(m,25H),8.08-7.97(m,45H),7.97-7.90(m,96H),7.90-7.84(m,16H),7.84-7.72(m,40H),7.72-7.65(m,64H),7.62-7.50(m,34H),7.29-7.27(m,5H),7.26-7.26(m,1H),5.71-5.32(m,64H),5.33-5.27(m,32H),5.01-4.93(m,64H),4.61-4.56(m,64H),4.51-4.32(m,18H),4.25-4.14(m,64H),4.13-4.09(m,8H),4.02-3.98(m,99H),3.91-3.61(m,70H),3.60-3.57(m,65H),3.52-3.50(m,3828H),3.24-3.24(m,6H),3.10-3.08(m,2H),3.03-3.01(m,12H),3.01-2.97(m,32H),2.93-2.87(m,32H),2.80-2.75(m,8H),2.72-2.68(m,3H),2.65-2.60(m,16H),2.44-2.35(m,16H),2.27-2.15(m,48H),2.15-2.12(m,42H),2.12-2.08(m,32H),2.05-1.94(m,32H),1.93-1.85(m,34H),1.84-1.74(m,24H),1.71-1.66(m,43H),1.62-1.58(m,16H),1.56-1.47(m,32H),1.24-1.21(m,20H),1.17-1.13(m,96H),1.12-1.10(m,1H),0.85-0.83(m,6H)
实施例7化合物86-43的合成

7.1 69-280的制备
称取5-马来酰亚胺基己酸(5g,23.67mmol)置于500ml反应瓶中,加入NHS(3.59g,31.24mmol),以DMF(30ml)溶解,然后加入DCC(6.25g,30.30mmol),室温条件下搅拌反应过夜。反应结束后,抽滤除去白色固体,在粗产品中加入正己烷(200ml),以超声波处理,静置1h,倒掉上清液。重复加入正己烷(200ml),以超声波处理,静置1h,倒掉上清液的过程数次,直至产物变为粘稠油状,烘干得产物4.86g。1H-NMR(600MHz,DMSO-d6)δ7.01(s,2H),3.40-3.36(m,2H),2.87-2.73(m,4H),2.65(t,J=7.3Hz,2H),1.66-1.58(m,2H),1.50(tt,J=14.7,7.4Hz,2H),1.35-1.26(m,2H);FT MS ESI m/z[M+H+]309.10
7.2 69-237的制备
足量称取2-氨基-1,3-丙二醇(3.644g,40.00mmol)于反应瓶中,加入DMSO(3ml)溶解后通入氮气保护好,置于15℃条件下搅拌,滴加5mol/L的NaOH溶液(0.4ml)和丙烯酸叔丁酯(13.16ml,90.6668mmol),室温反应24小时。反应结束后,用去离子水(300ml)和乙酸乙酯(300ml)萃取,收集有机相,水相用乙酸乙酯萃取(300ml×2)。合并有机相蒸干后,用适量的甲醇/二氯甲烷混合溶剂溶解,干法上样,以20%乙酸乙酯/正己烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩、干燥得到产品2.85g。1H-NMR(600MHz,DMSO-d6)δ3.55(t,J=6.1Hz,4H),3.29(dd,J=10.2,5.7Hz,4H),3.27(m,1H),2.74(dd,J=10.9,4.2Hz,2H),2.40(t,J=6.1Hz,4H),2.28(t,J=6.6Hz,2H),1.91(s,1H),1.43-1.34(m,27H);FT MS ESI m/z[M+H+]476.32
7.3 69-243的制备
称取69-237(0.7g,1.471mmol)、丁二酸单苄酯(0.337g,1.618mmol)、HOBT(0.298g,2.2065mmol)和HBTU(0.836g,2.2065mmol)于250ml反应瓶中,加入DMF(10ml)溶解后滴加DIEA(1.094ml,6.6195mmol),室温搅拌反应。反应结束后,用去离子水(300ml)和乙酸乙酯(300ml)萃取,收集有机相,水相用乙酸乙酯萃取(300ml×2)。合并有机相进行浓缩得粗产物,溶解后加入200-300目的硅胶粉蒸干,干法上样,以20%乙酸乙酯/正己烷混合溶液为洗脱剂进行柱层析,收集目标产物, 浓缩、真空烘箱干燥得到产品0.83g。1H-NMR(600MHz,DMSO-d6)δ7.41-7.25(m,5H),5.08(s,2H),4.14-4.02(m,1H),3.63-3.42(m,10H),2.60(t,J=6.5Hz,2H),2.57(dd,J=6.6,4.8Hz,2H),2.54-2.47(m,2H),2.39(t,J=6.1Hz,4H),1.43-1.34(m,27H);FT MS ESI m/z[M+H+]666.38
7.4 69-246的制备
在装有69-243(13.1871g,9.6699mmol)的烧瓶中加入二氯甲烷(20ml),以超声辅助溶解后加入TFA(7.2ml,96.699mmol),放于室温下搅拌反应过夜。反应结束后,浓缩反应液,再加入甲基叔丁基醚(300ml),固体析出,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤,收集滤饼,干燥得到产品0.56g。FT MS ESI m/z[M+H+]498.523
7.5 69-251的制备
将69-246(0.3g,0.6030mmol)、88-86(0.8109g,1.9899mmol)、HOBT(0.366g,2.713mmol)和HBTU(1.028g,2.713mmol)置于反应瓶中,加入DMF(20ml)以超声波辅助溶解,置于0摄氏度低温搅拌,滴入DIEA(1.345ml,8.1405mmol),滴完之后,取出至室温搅拌反应。反应结束后,向反应液中加入甲基叔丁基醚(400ml),固体析出,抽滤,收集滤饼。滤饼用适量1/4的二氯甲烷/甲醇混合溶剂溶解,加入200-300目的硅胶粉,蒸干,干法上样,以3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、烘干得到产品0.45g。1H-NMR(600MHz,DMSO-d6)δ8.08-7.86.(m,6H),7.51-7.24(m,20H),7.20-7.15(m,3H),5.07(s,2H),5.05-4.98(m,6H),4.10(q,J=5.2Hz,3H),4.03(dd,J=14.2,7.1 Hz,1H),3.49-3.41(m,6H),3.23-3.14(m,16H),2.94(d,J=5.8Hz,4H),2.40-2.29(m,12H),1.58-1.53(m,3H),1.40-1.36(m,36H),1.28-1.19(m,6H);FT MS ESI m/z[M+Na+]1688.989
7.6 69-257的制备
将69-251(1.0g,3.0640mmol)加入到氢化反应釜中,加入含量为10%Pd/C催化剂(0.8g),加入DMF(20ml),封闭氢化反应釜,抽真空,然后通入氢气,如此重复5次,再充入氢气至为300Psi,反应在室温下搅拌过夜。反应结束后,将反应液用硅藻土过滤,滤饼用DMF(15ml×3)清洗,滤液装入500ml的圆底烧瓶中,作为下一步原料。FT MS ESI m/z[M+H+]1173.732
7.7 69-259制备
量取69-257(0.1mmol)加入到50ml圆底烧瓶中,将混合液置于-5℃条件下搅拌30分钟。再缓慢滴加DIEA(0.146ml,0.887mol),继续搅拌反应30分钟后取出,再加入M-SCM-10K(2.10g,0.21mmol, 购于键凯,Lot Number:ZZ363P139),继续在室温下避光低速搅拌反应72h。反应完成后,向反应液中加入甲基叔丁基醚(500ml),固体析出,抽滤,烘干滤饼得产物。1H-NMR(600MHz,DMSO-d6)δ12.01(s,1H),8.08-7.86.(m,6H),7.20-7.15(m,3H),4.19-4.15(m,4H),3.53-3.48(m,2979H),3.23-3.14(m,16H),2.65-2.57(m,6H),2.41-2.29(m,16H),1.58-1.53(m,3H),1.40-1.36(m,36H),1.28-1.19(m,6H)
7.8 69-275的制备
取反应物69-259(0.1mmol)、70-68(0.56g,0.48mmol)、HOBT(0.081g,0.6mmol)和HBTU(0.227g,0.6mmol)置于反应瓶中,加入适量DMF,以超声波辅助溶解,置于0摄氏度低温搅拌3min,再滴入DIEA(0.297mml,1.8mmol),取出,室温继续搅拌反应过夜。反应结束后,加入甲基叔丁基醚(300ml),固体析出,抽滤,收集滤饼,烘干得到产品1.25g。
7.9 69-278的制备
称取69-275(0.1mmol)加入到50ml圆底烧瓶中,再加入TFA(10ml),在室温搅拌反应。反应完成后,减压旋蒸除去TFA,再加入甲基叔丁基醚(500ml),固体析出,抽滤,烘干滤饼得产物。
7.10 86-4制备
取反应物69-278(0.1mmol)、76-93(0.56g,0.48mmol)、HOBT(0.081g,0.6mmol)和HBTU(0.227g,0.6mmol)置于反应瓶中,加入DMF(50ml)超声溶解,置于0摄氏度低温搅拌,滴入DIEA(0.297ml,1.8mmol),取出置于室温下,继续搅拌反应过夜。反应结束后,加入甲基叔丁基醚(300ml),固体析出,抽滤,收集滤饼,烘干滤饼得到产品1.25g。1H-NMR(600MHz,DMSO-d6)δ9.33-9.24(m,1H),9.10-8.98(m,1H),8.62-8.51(m,1H),8.30-7.76(m,34H),7.72-7.61(m,4H),7.61-7.55(m,1H),7.54-7.46(m,2H),7.37-6.92(m,20H),4.57-4.26(m,14H),4.25-3.82(m,39H),3.81-3.28(m,3025H),3.28-3.21(m,15H),3.21-3.11(m,16H),3.10-2.96(m,29H),2.82-2.66(m,7H),2.65-2.45(m, 42H),2.42-2.26(m,6H),2.25-2.17(m,4H),2.17-2.03(m,20H),1.89-1.63(m,22H),1.63-1.30(m,110H),1.30-1.11(m,37H),0.92-0.87(m,3H),0.87-0.77(m,3H)
7.11 86-7制备
称取86-4(1.25g,0.0756mmol),加入二氯甲烷(5ml)和TFA(0.084ml,1.134mmol),常温搅拌反应。反应结束后,减压浓缩反应液,再加甲基叔丁基醚(150ml)与正己烷(100ml),固体析出,抽滤,将滤饼用适量的1/4的二氯甲烷/甲醇混合溶剂溶解,加入100-200目的硅胶粉,蒸干,干法上样,以1%氨水/10-12%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、烘干得到产品0.95g。
7.12 86-9的制备
取86-7(0.95g,0.0325mmol)和69-280(0.18g,0.4528mmol)溶解于DMF(10ml),再滴加DIEA(1.442ml,8.730mmol),在室温下搅拌反应。反应结束后,向反应液中加入甲基叔丁基醚(300ml)和正己烷(100ml),固体析出,用适量的1/4的甲醇/二氯甲烷混合溶剂溶解,加入100-200目的硅胶粉,蒸干,干法上样,以1%氨水/15-20%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、干燥得产品0.89g。
7.13 86-43的制备
称取86-9(0.16g,0.004mmol)于100mL反应瓶中,加入甲醇(3mL)、1,2,3,4,5,6,7,8,9,10,11-undecahydro-12-mercapto-Dodecaborate(2-),sodium(1:2)(10B)(0.015g,0.073mmol,购于捷克CATCHEM),室温搅拌三小时。反应完成后,加入正己烷(25mL)和甲基叔丁基醚(200mL)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤,收集滤饼,得到固体产物,真空烘箱干燥得到产品0.15g。1H-NMR(600MHz,DMSO-d6)δ9.33-9.24(m,1H),9.10-8.98(m,1H),8.62-8.51(m,1H),8.30-7.76(m,34H),7.72-7.61(m,4H),7.61-7.55(m,1H),7.54-7.46(m,2H),7.37-6.92(m,20H),4.57-4.26(m,14H),4.25-3.82(m,39H),3.81-3.28(m,3049H),3.28-3.21(m,27H),3.21-3.11(m,16H),3.10-2.96(m,29H),2.82-2.66(m,31H),2.65-2.45(m,42H),2.42-2.26(m,30H),2.25-2.17(m,4H),2.17-2.03(m,20H),1.89--0.77(m,271H)
实施例8化合物87-35的合成


8.1 76-113的制备
称取Fmoc-Glu(OtBu)-OH(2.35g,5.53mmol)、HBTU(2.52g,6.64mmol)和HOBT(0.90g,6.64mmol)加入装有76-55(1.92g,5.81mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(3.29ml,19.91mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,浓缩、蒸干至固体,真空烘箱干燥得到产品。
8.2 76-114的制备
在装有76-113(5.53mmol)的烧瓶中加入DMF,以超声波辅助溶解后加入吗啉(9.64ml,116.0mmol),放于室温下搅拌反应2h。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,真空烘箱干燥得到产品。
8.3 76-115的制备
称取N'-芴甲氧羰基-N-苄氧羰基-L-赖氨酸(2.65g,5.27mmol)、HBTU(2.40g,6.32mmol)和HOBT(0.85g,6.32mmol)加入装有76-114(5.53mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(3.13ml,18.96mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体。
8.4 76-116的制备
在装有76-115(5.27mmol)的烧瓶中加入DMF,以超声波辅助溶解后加入吗啉(9.18ml,105.4mmol),放于室温下搅拌反应2h。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体, 以1%氨水/5%甲醇/二氯甲烷为洗脱剂进行柱层析纯化,收集产品,浓缩、真空烘箱干燥得产品2.85g,产率70%。1H-NMR(600MHz,DMSO-d6)δ8.17-7.98(m,2H),7.97-7.93(m,1H),7.39-7.28(m,5H),7.25-7.16(m,1H),5.06-4.96(m,2H),4.27(s,1H),4.22-4.13(m,1H),3.31-3.27(m,1H),3.22-3.10(m,2H),3.02-2.93(m,2H),2.64-2.54(m,1H),2.40-2.30(m,2H),2.24-2.13(m,4H),1.91-1.64(m,5H),1.63-1.46(m,2H),1.40-1.36(m,27H),1.32-1.23(m,2H);ESI[M+H+]778.46
8.5 70-173的制备
在250ml烧瓶中,将3-氨基-1-丙醇(2ml,27.10mmol)溶解于DMSO(18ml),水浴30℃搅拌10min后,加入5.0M的NaOH溶液(0.4ml),继续搅拌10min后加入丙烯酸叔丁酯(8.3ml,56.90mmol),反应至结束。将反应液转移到1L的分液漏斗中,加入饱和食盐水(200ml)和乙酸乙酯(200ml)进行萃取,得有机相,水相再用乙酸乙酯(200ml x 3)萃取。合并有机相用饱和食盐水(200ml x 2)清洗,蒸干,将得到的产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以10%乙酸乙酯/石油醚混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品。
8.6 70-177的制备
称取丁二酸单苄酯(0.80g,3.70mmol)、HBTU(1.50g,4.00mmol)和HOBT(0.50g,4.00mmol)加入装有70-173(1.07g,3.40mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(1.20ml,7.40mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用EA(200ml×3)萃取。合并有机相蒸干至固体。
8.7 76-117的制备
在装有70-177(1.50g,2.88mmol)的烧瓶中加入适量二氯甲烷,以超声波辅助溶解后加入TFA(4.27ml,57.51mmol),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再 加入甲基叔丁基醚(60ml)沉降,产品呈油状在瓶底,倒掉甲基叔丁基醚后用真空烘箱干燥,得到产品1.26g,产率100%。ESI[M+H+]410.18,[M+Na+]432.16
8.8 76-118的制备
称取76-117(0.71g,1.74mmol)、HBTU(1.58g,4.18mmol)和HOBT(0.57g,4.18mmol)加入装有76-116(2.85g,3.66mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(2.07ml,12.53mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,浓缩,蒸干至固体,真空烘箱干燥得到产品2.89g,产率86%。1H-NMR(600MHz,DMSO-d6)δ8.17-8.07(m,1H),8.06-7.97(m,3H),7.97-7.89(m,2H),7.87-7.78(m,2H),7.39-7.27(m,15H),7.27-7.17(m,2H),5.07-4.97(m,6H),4.29-4.15(m,6H),4.06-4.00(m,1H),3.59-3.35(m,6H),3.31-3.25(m,4H),3.24-3.11(m,3H),3.01-2.93(m,5H),2.70-2.60(m,2H),2.59-2.54(m,4H),2.43-2.28(m,8H),2.23-2.13(m,8H),1.76-1.65(m,6H),1.65-1.55(m,3H),1.53-1.45(m,3H),1.39-1.36(m,54H),1.32-1.19(m,5H);ESI[M+Na+]1951.04
8.9 76-119的制备
将76-118(0.19g,0.10mmol)和10% Pd/C催化剂(0.01g)投入到氢化反应釜中,然后加入DMF(30ml)使其溶解,封闭氢化反应装置,以水泵抽真空,加入约2MPa的氢气,重复此抽空/ 充氢气操作三遍,最终调节氢化反应装置上的压力读数为1.8MPa,然后在常温下过夜反应。反应结束,反应液用硅藻土过滤,滤饼用DMF(20mlⅹ3)清洗,得到产品的DMF溶液,作为下一部反应原料。
8.10 76-120的制备
将76-119(0.10mmol)投入到250ml的烧瓶中,追加DMF(20ml)。将此溶液再缓慢滴加入装有DIEA(0.95ml,5.75mmol)和M-SCM-10K(2.0g,0.19mmol,购于键凯)的DMF溶液中,将反应置于室温下避光低速搅拌反应一周。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集,真空烘箱干燥得到产品。
8.11 76-130的制备
称取76-120(0.81g,0.04mmol)、HBTU(0.02g,0.13mmol)和HOBT(0.01g,0.04mmol)加入装有70-68(0.03g,0.04mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.02ml,0.13mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品。
8.12 76-127的制备
将70-199(0.71g,0.96mmol)、HBTU(1.75g,4.61mmol)和HOBT(0.62g,4.61mmol)加入装有丙炔胺(0.23g,4.22mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(2.29ml,13.82mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,浓缩蒸干至固体,真空烘箱干燥得到产品0.66g。ESI[M+H+]889.42,[M+Na+]911.40
8.13 76-129的制备
在装有76-127(0.96mmol)的烧瓶中加入DMF,以超声辅助溶解后加入吗啉(2ml),放于室温下搅拌反应2h。反应结束后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,真空烘箱干燥得到产品0.42g。ESI[M+H+]667.35,[M+Na+]689.34
8.14 76-131的制备
称取丁二酸单叔丁酯(3.0g,17.22mmol)和HATU(7.86g,20.67mmol)加入装有3-氨基-1-丙醇(1.55g,20.67mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(10.25ml, 62.01mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品。
8.15 76-157的制备
称取76-131(1.02g,4.41mmol)加入干燥THF溶解,然后置于0°下,缓慢滴加DPPA(1.46g,5.29mmol)和DBU(0.81g,5.29mmol,购于伊诺凯),滴毕,移至室温下反应2小时,再滴加TBAA(1.50g,5.29mmol)的THF溶液,然后在50°下搅拌反应12小时。反应完成后,加入饱和NH4Cl溶液(200ml)和乙酸乙酯(200ml)萃取,收集有机相用无水Na2SO4干燥,然后浓缩、干燥得到产品。1H-NMR(600MHz,DMSO-d6)δ7.93-7.85(m,1H),3.38-3.33(m,2H),3.12-3.06(m,2H),2.42-2.38(m,2H),2.30-2.25(m,2H),1.66-1.60(m,2H),1.38(s,9H);ESI[M+Na+]279.14,[2M+Na+]535.30
8.16 76-191的制备
在装有76-157(0.0068mmol)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(0.2ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品。
8.17 76-193的制备
称取76-191(3.32g,9.4014mmol)、HBTU(3g,7.9277mmol)和HOBT(1.07g,7.9277mmol)加入装有76-192(9.4014mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(3.93ml,22.7830mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,用甲 基叔丁基醚和正己烷沉降,抽滤、烘干后得到产品3.45g,产率100%。
8.18 76-137的制备
在装有76-130(0.33g)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(0.2ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品。
8.19 76-142的制备
称取76-137(0.42g,0.02mmol)、HBTU(0.06g,0.13mmol)和HOBT(0.02g,0.13mmol)加入装有76-129(0.08g,0.12mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加 DIEA(0.07ml,0.40mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品0.1g。
8.20 87-35的制备
称取76-142(0.0532mmol)和无水CuSO4(0.41g,2.55mmol)加入装有无水DMF(10ml)的烧瓶中,再加入装有76-193(0.96g,1.92mmol)和抗坏血酸钠(1.01g,5.11mmol),以超声波辅助溶解后,在氮气保护下,室温搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,抽滤,固体用二氯甲烷溶解,再加入正己烷(25ml)与甲基叔丁基醚(200ml)沉降,如此重复3次,抽滤得到固体产物,将固体产物用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉,蒸干,干法上样,用1%氨水/5-7%甲醇/二氯甲烷混合溶剂为洗脱剂进行柱层析,收集目标产物,蒸干,放入真空烘箱干燥得到产品0.44g,产率21.56%。1H-NMR(600MHz,DMSO-d6)δ8.68-7.67(m,130H),7.41-7.16(m,12H),7.10-6.92(m,10H),6.75-6.59(m,6H),4.60-4.23(m,118H),4.24-4.13(m, 72H),4.04-3.90(m,103H),3.57-3.48(m,2755H),3.15-3.00(m,120H),2.96-2.82(m,64H),2.42-2.30(m,14H),2.28-2.02(m,68H),1.93-1.63(m,51H),1.52-1.43(m,15H),1.41-1.34(m,18H),1.29-1.20(m,72H),1.15-0.99(m,288H)
实施例9化合物75-236的合成




9.1 75-228的制备
称取SN38(2.0g,5.096mmol)加入250ml烧瓶中,加入二氯甲烷(80ml)超声溶解,再加入TBDPS-Cl(5.3ml,20.387mmol)和三乙胺(3.1ml,22.935mmol),置于30℃油浴中冷凝回流搅拌反应12h。反应结束后,将反应液转移至1L分液漏斗中,加入1N盐酸溶液(150ml)萃取,收集二氯甲烷相,将其用碳酸氢钠水溶液(150ml×2)清洗,最后用饱和氯化钠水溶液清洗,收集二氯甲烷相蒸干,放入真空烘箱干燥,得到产品2.17g。
9.2 75-231的制备
向装有75-228(2.17g,3.44mmol)的反应瓶中加入丁二酸酐(2.06g,20.640mmol)和吡啶(20ml)以超声波辅助溶解,再加入DMAP(0.84g,6.880mmol),放入45℃油浴中搅拌过夜。通过TLC板观察,反应完全后,向反应液中加入大量水,用盐酸将溶液pH调至2。析出固体沉淀,抽滤,滤饼在真空烘箱干燥4小时,得到产品3.76g。
9.3 75-211的制备
取1,3-二氨基-2-丙醇(2.0g,22.191mmol)溶于二氯甲烷(30ml)中,放入搅拌子快速搅拌,然后加入固体硫酸钠(6.30g,44.383mmol),然后加入苯甲醛(4.71g,44.383mmol)。在室温下搅拌18小时,之后抽滤,浓缩滤液。将残留物溶解于无水乙醇(20ml)中并冷却至0℃。再加入固体NaBH4(5.95g,56.082mmol)分次加入,每次超过十分钟,搅拌1小时,加入水(10ml)并浓缩,在乙酸乙酯(50ml)中溶解,用盐酸(2×20ml)洗涤,再用NaOH溶液调节pH至碱性。再用二氯甲烷萃取(30ml×3),合并二氯甲烷,加入无水硫酸镁除水,过滤,浓缩、干燥得到产品4.6g,产率57.14%。1H-NMR(600MHz,DMSO-d6)δ7.38-7.16(m,10H),3.74-3.42(m,8H),2.57-2.54(m,2H),2.50-2.47(m,2H);ESI[M+H+]271.1796
9.4 75-213的制备
将75-211(4.6g,17.013mmol)溶于DMSO(10ml)中,搅拌于25摄氏度的水浴锅中,滴加5mol/L的NaOH溶液,搅拌10min后,滴加丙烯酸叔丁酯(14.75ml,102.082mmol),反应过夜,点TLC观察,用乙酸乙酯/饱和NaCl溶液萃取3次。合并有机相蒸干后用混合溶剂溶解,加入硅胶粉,蒸干,干法上样,以乙酸乙酯/石油醚为洗脱剂进行硅胶柱纯化,收集、干燥得产品2.22g。1H-NMR(600MHz,DMSO-d6)δ7.32-7.17(m,10H),3.70-3.62(m,2H),3.53-3.50(m,4H),3.48-3.42(m,1H),2.70-2.56(m,4H),2.47-2.42(m,2H),2.40-2.33(m,4H),2.33-2.27(m,4H),1.36(s,27H);ESI[M+H+]655.42950
9.5 75-214的制备
将75-213(2.22g,3.402mmol)投入到氢化反应釜中,再向其中加入含量为10%的Pd/C催化剂(0.4g),加入甲醇(30ml)使之溶解,通入氢气,调节压力为200Psi,反应在室温下搅拌过夜。反应结束后,将反应液用硅藻土过滤,硅藻土用甲醇(5ml×3)清洗,合并甲醇溶液,再向液体中加入二氯甲烷,用减压旋蒸将其蒸干。再加入二氯甲烷和甲苯(0.2ml),以超声波处理后再将其蒸干,此操作重复5次。再加入二氯甲烷以超声波辅助溶解,将其蒸干,此操作重复5次。最终浓缩、干燥得到产品1.6g。
9.6 75-215的制备
将75-214(0.6g,1.264mmol)、丁二酸单苄脂(0.55g,2.654mmol)和HATU(1.15g,3.033mmol)加入到250ml烧瓶中,加入DMF(20ml)使其溶解,将反应置于-5摄氏度搅拌约20分钟,然后缓慢滴加DIEA(0.9ml,5.561mmol),滴加完毕后,继续于-5摄氏度搅拌20分钟,然后移至室温下搅拌反应。反应结束,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复5次,抽滤得到固体产物,收集滤饼,放真空烘箱干燥得到产品1.08g。1H-NMR(600MHz,DMSO-d6)δ7.39-7.30(m,10H)5.11-5.06(m,4H),4.03(s,1H),3.79-3.36(m,8H), 3.30-3.25(m,2H),2.66 -2.53(m,8H),2.42-2.32(m,6H),1.41-1.35(m,27H);ESI[M+Na+]877.442
9.7 75-217的制备
在装有75-215(1.08g,1.264mmol)的烧瓶中加入二氯甲烷(5ml),以超声波辅助溶解后加入TFA(5.6ml,75.84mmol),放于室温下搅拌反应。反应结束后,先将反应液浓缩蒸干以除去二氯甲烷和大部分TFA,加入正己烷(200ml)和甲基叔丁基醚(200ml)沉降,得油状固体,倒去上清液,加入乙酸乙酯(15ml),以超声波处理得白色浑浊液,再加入正己烷(200ml)沉降,得粉末状固体,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼、真空干燥得到产品0.86g。ESI[M+Na+]709.254
9.8 75-220的制备
将75-217(0.86g,1.264mmol)、76-58(2.42g,4.171mmol)、HBTU(2.15g,5.688mmol)和HOBT(0.77g,5.688mmol)加入到500ml圆底烧瓶中,加入DMF(15ml)使其溶解,将反应置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(2.8ml,17.064mmol),继续置于-5℃搅拌反应1小时,将其取出转移至室温下搅拌反应。反应结束后,将反应液转移到1L分液漏斗中,加入去离子水(250ml)和乙酸乙酯(200ml)进行萃取,得有机相(有固体产品析出),水相再用乙酸乙酯(200ml×2)萃取。合并有机相,用减压旋蒸将其浓缩,将得到的固体产物用4/1的二氯甲烷/甲醇混合溶剂溶解,加入硅胶粉,蒸干,干法上样,以2-6%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集含有产品 组分的有机溶液,蒸干、放入真空烘箱干燥得到产品1.1g。1H-NMR(600MHz,DMSO-d6)δ8.05-7.86(m,9H),7.37-7.32(m,25H),7.24-7.17(m,3H),5.07-5.06(m,4H),4.99(s,6H),4.27-4.13(m,6H),3.57-3.46(m,13H),3.30-3.28(m,4H),3.20-3.11(m,6H),2.63-2.56(m,10H),2.55-2.52(m,8H),2.36-2.31(m,8H),2.19-2.13(m,6H),1.87-1.77(m,6H),1.52-1.43(m,6H),1.39(s,54H),1.24-1.23(m,6H)
9.9 75-222的制备
将75-220(0.42g,1.3688mmol)投入到氢化反应釜中,再向其中加入含量为10%Pd/C催化剂(0.1g),加入DMF(30ml)使之溶解,通入氢气,调节氢气压力为300Psi,反应在室温下搅拌过夜。反应结束后,将反应液用硅藻土过滤,滤饼用DMF(5ml×3)清洗,滤液装入500ml的圆底烧瓶中。然后用甲基叔丁基醚(150ml)和正己烷(80ml)沉降,倒去上清液,然后再加入甲基叔丁基醚(150ml)和正己烷(80ml)沉降,如此重复5次,最后过滤、干燥得产品0.24g。
9.10 75-224的制备
取75-222(0.088g,0.0482mmol)用无水DMF(5ml)溶解于250ml圆底烧瓶中,再滴加DIEA(0.95ml,5.787mmol),搅拌30分钟,再加入高分子M-SCM-10K(1.5g,0.1519mmol)。以超声波辅助溶解,然后避光低速搅拌反应4天。反应结束后,加入甲基叔丁基醚(150ml)和正己烷(70ml),倒去上清液,如此重复3次。所得固体用混合溶剂溶解,加入硅胶粉蒸干,干法上样,以1%氨水/5-10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、干燥得产品1.46g。1H-NMR(600MHz,DMSO-d6)δ9.72-9.69(m,2H),8.09-8.04(m,12H),4.19-4.16(m,6H),3.86-3.83(m,13H),3.53-3.50(m,2871H),3.24-3.23(m,4H),2.62-2.61(m,16H),2.39-2.38(m,16H),2.19-2.14(m,6H),1.88-1.79(m,6H),1.53-1.45(m,6H),1.39-137(m,54H),1.25-1.21(m,6H)
9.11 75-226的制备
将75-224(1.46g,0.0437mmol)、70-68(0.066g,0.0961mmol)、HBTU(0.049g,0.1311mmol) 和HOBT(0.017g,0.1311mmol)加入到250ml中,加入DMF(7ml)使其溶解,将反应置于室温搅拌约20分钟,然后缓慢滴加DIEA(0.1ml,0.3935mmol),滴加完毕后,然后在室温下搅拌过夜。然后点TLC观察,反应完成后,用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,倒去上清液,用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,如此重复3次。过滤、干燥得到产品1.52g。1H-NMR(600MHz,DMSO-d6)δ8.58-8.55(m,2H),8.22-8.19(m,2H),8.13-8.01(m,16H),7.91-7.86(m,6H),7.70-7.64(m,2H),7.54-7.51(m,2H),7.29-7.21(m,16H),7.20-7.14(m,4H),4.37-4.34(m,10H),4.06-4.04(m,9H),3.63-3.62(m,24H),3.53-350(m,2871H),3.44-3.43(m,10H),2.62-2.61(m,20H),2.39-2.38(m,8H),2.36-2.34(m,6H),1.82-1.74(m,10H),1.53-1.47(m,16H),1.38-136(m,54H),1.24-1.22(m,6H),0.90-0.88(m,12H)
9.12 75-227的制备
将75-226(1.52g,0.0437mmol)投入到250ml烧瓶中,加入二氯甲烷(5ml)溶解,在搅拌状态下加入TFA(0.4ml,5.249mmol),最后将反应烧瓶置于室温下搅拌反应,反应过夜。反应结束后,减压浓缩反应液除去二氯甲烷和大部分TFA,用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,倒去上清液,再用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,如此重复3次。过滤、干燥得产品1.34g。
9.13 75-229的制备
将75-227(1.34g,0.0889mmol)、76-93(0.504g,0.3501mmol)和HATU(0.106g,0.2801mmol)混合,加入到250ml中,加入DMF(5ml)使其溶解,将反应置于室温搅拌约20分钟,然后缓慢滴加DIEA(0.2ml,1.0503mmol),滴加完毕后,然后在室温下搅拌过夜,然后点TLC观察,反应结束后,用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,倒去上清液,再用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,如此重复3次。过滤、干燥得产品1.67g。
9.14 75-232的制备
将75-229(0.1g,0.00232mmol)投入到250ml烧瓶中,加入二氯甲烷(2ml),使其溶解,在搅拌状态下加入TFA(0.08ml,1.1169mmol),最后将反应烧瓶置于室温下搅拌反应,反应过夜。反应结束后,减压浓缩反应液除去二氯甲烷和大部分TFA,用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,倒去上清液,再用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,如此重复3次。过滤、干燥得产品0.06g。1H-NMR(600MHz,DMSO-d6)δ8.67-8.62(m,2H),8.60-8.54(m,2H),8.18-7.98(m,70H),7.65-7.49(m,10H),7.28-7.17(m,14H),5.34-5.17(m,48H),4.61-4.50(m,10H),4.45-4.31(m,18H),4.05-4.01(m,9H),3.61-3.61(m,108H),3.59-3.57(m,108H),3.53-350(m,2871H),3.20-3.17(m,58H),2.99-2.94(m,54H),2.82-2.73(m,20H),2.62-2.61(m,12H),2.40-2.36(m,8H),2.16-2.07(m,80H),1.76-1.73(m,14H),1.54-1.47(m,28H),1.29-1.18(m,30H),0.93-0.80(m,12H)
9.15 75-235的制备
将75-232(0.06g,0.0014mmol)、75-231(0.037g,0.0517mmol)和HATU(0.015g,0.0413mmol)混合,加入到50ml烧瓶中,加入DMF(1ml)使其溶解,将反应置于室温搅拌约20分钟,然后缓慢滴加DIEA(0.025ml,0.1551mmol),滴加完毕后,然后在室温下搅拌过夜。然后点TLC观察,反应结束后,用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,倒去上清液,再用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,如此重复3次。过滤、干燥得产品0.04g。
9.16 75-236的制备
将75-235(0.04g,0.000679mmol)用THF(1ml)溶解,再加入TBAF(0.1g,0.326mmol)反应2h后,减压浓缩,用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,倒去上清液,再用甲基叔丁基醚(150ml)和正己烷(70ml)沉降,如此重复3次。过滤、干燥得产品0.04g。1H-NMR(600MHz,DMSO-d6)δ8.59-8.56(m,2H),8.24-8.22(m,2H),8.10-7.99(m,118H),7.85-7.81(m,24H),7.57-7.56(m,10H),7.41-7.39(m,62H),6.82-6.80(m,24H),5.36-5.32(m,24H),5.17-5.02(m,48H),4.94-4.93(m,2H),4.26-4.16(m,48H),4.12-4.06(m,26H),4.05-4.03(m,4H),3.72-3.65(m,124H),3.64-3.61(m,108H),3.53-350(m,2871H),3.25-3.23(m,64H),3.09-3.07(m,54H),2.85-2.75(m,168H),2.46-2.45(m,16H),2.14-2.12(m,90H),1.90-1.75(m,62H),1.48-1.45(m,24H),1.29-1.27(m,79H),0.91-0.90(m,60H)
实施例10化合物74-232的合成







10.1 74-182的制备
将88-4(4g,16.108mmol)、Fmoc-Glu-OtBu(6.853g,16.108mmol)、HBTU(7.330g,19.329mmol)和HOBT(2.611g,19.329mmol)置于500ml圆底烧瓶中,用DMF(50ml)进行超声溶解。溶解后在冰水浴下滴加DIEA(7.987ml,48.324mmol),最后在室温下搅拌反应。反应结束后,在2升分液漏斗中加入纯水(200ml)和乙酸乙酯(200ml),再倒入反应液进行萃取,分离有机相,水相再用 乙酸乙酯萃取(100ml×2)。合并有机相用饱和碳酸氢钠溶液(200ml)清洗一次。最后用无水硫酸镁除水,旋蒸。加入适量的二氯甲烷和200-300目的硅胶粉,蒸干,干法上样,先后用二氯甲烷、0.5-1%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩蒸干得到产物。
10.2 74-183的制备
将74-182(10.563g,16.108mmol)置于500ml的圆底烧瓶中,用乙腈(50ml)进行超声溶解,再加入二乙胺(23.562ml,322.16mmol),在室温下搅拌反应2h。反应结束后,通过旋蒸除去乙腈,再加入适量的混合溶剂和200-300目的硅胶粉蒸干,干法上样,先后用二氯甲烷、2-5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物。超产。
10.3 74-184的制备
将74-183(1.5g,3.459mmol)、蝶酸(0.981g,3.144mmol,上海衡新)、HBTU(1.788g,4.716mmol)和HOBT(0.637g,4.716mmol)置于250ml圆底烧瓶中然后加入DMSO(30ml)溶解,在室温下缓慢滴加DIEA(1.588ml,9.432mmol)继续反应。反应结束后,加入甲基叔丁基醚(450ml)沉降,固体析出,抽滤。抽滤完成后,加入适量混合溶剂溶解,再加入200-300目的硅胶粉蒸干,干法上样,以7-9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物。
10.4 74-185的制备
将74-184(5g,4.25mmol)置于500ml的圆底烧瓶中,然后加入二氯甲烷(4ml)和TFA(2ml)在室温下搅拌反应。反应完成后,旋蒸除去二氯甲烷和大部分TFA,再加入甲基叔丁基醚(150ml)沉降,固体析出,以超声波处理,静置,倒掉上清液,过滤、干燥得产物3.8g。
10.5 74-141的制备
称取足量D-Biotin(5g,20.465mmol)置于500ml圆底烧瓶中,加入DMF(30ml),在70℃的油浴下搅拌至澄清。澄清后冷却至室温。再加入88-4(1.016g,4.093mmol)、HBTU(1.862g,4.911mmol)和HOBT(0.663g,4.911mmol),滴入DIEA(10.147ml,61.395mmol),在25℃下搅拌反应2h。反应结束后,在2升分液漏斗中加入纯水(200ml)和乙酸乙酯(200ml),再倒入反应液进行萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相,用饱和碳酸氢钠溶液(200ml)清洗,然后用无水硫酸镁除水,旋蒸。加入适量的甲醇/二氯甲烷混合溶剂和200-300目硅胶粉蒸干,干法上样,以1-6%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物1.5g,产率15.46%。1H-NMR(600MHz,DMSO-d6)δ7.83(t,J=5.6,1H),6.76(s,1H),6.41(s,1H),6.35(s,1H),4.30(dd,J=7.5,5.3,1H),4.15-4.10(m,1H),3.49(s,4H),3.40-3.35(m,4H),3.18(q,J=5.9,2H),3.12-3.03(m,3H),2.82(dd,J=12.4,5.1,1H),2.58(d,J=12.4,1H),2.06(t,J=7.4,2H),1.60(dd,J=8.7,5.1,1H),1.55-1.42(m,3H),1.37(s,9H),1.33-1.26(m,2H)
10.6 74-150的制备
称取74-141(1.5g,3.160mmol)置于100ml圆底烧瓶中,再加入TFA(4.693ml),在室温下搅拌反应1h。反应结束后,先旋蒸除去部分TFA,再加入甲基叔丁基醚沉降,以超声波处理,倒去上清液,如此重复4次,直至产物变为粘稠油状。加入适量的甲醇/二氯甲烷混合溶剂溶解,加入200-300目的硅胶粉蒸干,干法上样,以1%氨水/6-10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物1.046g,产率87.23%。1H-NMR(600MHz,DMSO-d6)δ7.87(t,J=5.5,1H),6.41(s,1H),6.35(s,1H),4.32-4.29(m,1H),4.14-4.11(m,1H),3.54-3.47(m,4H),3.42-3.35(m,4H),3.27(s,2H),3.20-3.17(m,2H),3.12-3.06(m,2H),2.82(dd,J=5.1,12.4Hz,1H),2.67(t,J=5.7Hz,2H),2.57(d,J=12.4Hz,1H),2.06(t,J=7.4Hz,2H),1.64-1.57(m,1H),1.53-1.42(m,3H),1.35-1.23(m,2H).;FT MS ESI m/z[M+H+]375.20
10.7 74-152的制备
称取74-150(1.026g,2.739mmol)、Fmoc-Glu(OtBu)-OH(1.165g,2.739mmol)、HBTU(1.246g,3.287mmol)和HOBT(0.444g,3.287mmol)置于100ml圆底烧瓶中,再加入DMF(15ml),以超声波辅助溶解。在冰水浴下滴加DIEA(1.584ml,9.588mmol),滴毕后置于25℃水浴下,搅拌反应2h。反应结束后,加入甲基叔丁基醚/石油醚,以超声波处理后静置,倒出上清液,如此重复4次,直至产物变为粘稠油状。加入适量的甲醇/二氯甲烷混合溶剂溶解,加入200-300目的硅胶粉蒸干,干法上样,以2-4%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物1.847g,产率86.26%。1H-NMR(600MHz,DMSO-d6)δ7.95-7.90(m,1H),7.89(d,J=7.5,2H),7.82(t,J=5.5,1H),7.73(t,J=7.7,2H),7.51(d,J=8.3,1H),7.42(t,J=7.4,2H),7.33(t,J=7.4,2H),6.41(s,1H),6.35(s,1H),4.29(dd,J=10.9,4.8,2H),4.23(dd,J=16.2,6.8,2H),4.15-4.09(m,1H),3.98(d,J=5.4,1H),3.51-3.46(m,4H),3.43-3.36(m,4H),3.28-3.22(m,1H),3.18(dd,J=11.8,5.2,3H),3.08(dd,J=4.4,2.7,1H),2.81(dd,J=5.1,12.4Hz,1H),2.57(d,J=12.4Hz,1H),2.26-2.18(m,2H),2.06(t,J=7.4,2H),1.90-1.82(m,1H),1.76-1.68(m,1H),1.64-1.57(m,1H),1.53-1.43(m,3H),1.39(s,9H),1.34-1.20(m,2H);FT MS ESI m/z[M+H+]782.37,[M+Na+]804.35
10.8 74-172的制备
将74-152(1.847g,2.362mmol)置于100ml的圆底烧瓶中,加入DMF(5ml)溶解,再加入二乙胺(3.455ml,47.24mmol),在室温下搅拌反应。反应结束后,加入甲基叔丁基醚沉降,以超声波处理后静置,抽滤、干燥得产品0.978g,产率73.97%。
10.9 74-173的制备
将74-172(0.978g,1.747mmol)、88-14(0.617g,1.747mmol)、HBTU(0.861g,2.271mmol)和HOBT(0.306g,2.271mmol)置于100ml圆底烧瓶中,再加入DMF(15ml),以超声波辅助溶解。在冰水浴下滴加DIEA(0.866ml,5.241mmol),滴毕后置于室温,搅拌反应2h。反应结束后,加入甲基叔丁基醚(200ml)沉降,以超声波处理后静置,倒出上清液,如此重复4次,直至产物变为粘稠油状。加入适量的甲醇/二氯甲烷混合溶剂溶解,加入200-300目的硅胶粉蒸干,干法上样,以2-4%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物1.23g,产率78.69%。1H-NMR(600MHz,DMSO-d6)δ7.96-7.91(m,2H),7.89(d,J=7.5,2H),7.86-7.82(m,1H),7.68(d,J=7.5,2H),7.41(t,J=7.4,2H),7.35-7.31(m,2H),7.29-7.24(m,1H)6.44(s,1H),6.37(s,1H),4.31-4.27(m,3H),4.21(d,J=6.7,2H),4.14-4.11(m,1H),3.52-3.47(m,4H),3.43-3.36(m,4H),3.27-3.21(m,1H),3.20-3.13(m,3H),3.10-3.07(m,1H),2.96(d,J=6.3,2H),2.81(dd,J=12.4,5.1,1H),2.57(d,J=12.4,1H),2.21-2.16(m,2H),2.11(d,J=6.2,2H),2.06(t,J=7.4,2H),1.88-1.79(m,1H),1.73-1.64(m,1H),1.64-1.56(m,1H),1.55-1.42(m,6H),1.38(s,9H),1.32-1.18(m,5H);FT MS ESI m/z[M+H+]895.45,[M+Na+]917.44
10.10 74-223的制备
将74-173(3.54g,3.961mmol)置于100ml的圆底烧瓶中,加入DMF(10ml)溶解,再加入二乙胺(5.794ml,79.22mmol),在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,以超声波处理后静置,抽滤、干燥得产品1.7g,产率63.83%。
10.11 77-163的制备
将紫杉醇(5g,5.86mmol,简写为PTX),琥珀酸酐(2.1g,21.096mmol)和DMAP(0.024g,0.3876mmol)置于250ml的烧瓶中,加入11/1的无水二氯甲烷和DMA的混合溶液(24ml),以超声波辅助溶解,置于室温搅拌过夜。反应结束后,旋干,加入乙酸乙酯(30ml)溶解,将反应液转移至500ml的分液漏斗中,加入稀盐酸溶液(1%,w/v)(35ml×3)进行萃取,收集乙酸乙酯相,再加入纯水(40ml×3)清洗,收集有机相。有机相用无水硫酸钠干燥,过滤,浓缩、干燥得到产物4.9g。1H-NMR(600MHz,DMSO-d6)δ12.26(s,1H),8.00-7.98(m,2H),7.86-7.84(m,2H),7.74(t,J=7.4Hz,1H),7.67(t,J=7.6Hz,2H),7.56(d,J=7.4Hz,1H),7.52-7.44(m,7H),7.20(td,J=5.9,3.0Hz,1H),6.30(s,1H),5.82(t,J=8.8Hz,1H),5.55(t,J=8.8Hz,1H),4.93-4.89(m,2H),4.64(s,1H),4.12(dd,J=6.6,4.1Hz,1H),4.06-3.98(m,3H),3.59(d,J=7.2Hz,1H),2.63(t,J=6.5Hz,3H),2.33(d,J=1.3Hz,2H),2.25(s,3H),2.11(s,3H),1.76(s,3H),1.51(d,J=11.3Hz,4H),1.01(t,J=13.8Hz,9H)
10.12 77-164的制备
将77-163(2.24g,2.34mmol)、NHS(0.355g,3.0888mmol)和DCC(0.618g,2.9952mmol)置入100ml的烧瓶中,加入二氯甲烷(10ml)溶解,置于室温搅拌反应过夜。反应结束,抽滤,再向滤液中加入硅胶粉,浓缩、干燥,干法上样,以1-2%甲醇/二氯甲烷混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩、干燥得产物2.47g。
10.13 74-130的制备
称取69-246(0.963g,1.937mmol)置于250ml圆底烧瓶中,加入DMF(25ml)使其溶解,在冰水浴下滴加DIEA(8.003ml,48.425mmol)。用烧杯称取76-116(4.592g,7.748mmol)、HBTU(2.938g,7.748mmol)和HOBT(1.046g,7.748mmol)然后倒入烧瓶里,将混合液置于30℃条件下搅拌反应。反应结束后,在2升分液漏斗中加入纯水(200ml)和乙酸乙酯(200ml),再倒入反应液萃取,分离有机相,水相再用乙酸乙酯萃取(100ml×2)。合并有机相,再用饱和碳酸氢钠溶液(200ml)清洗。最后用无水硫酸镁除水,旋蒸。加入适量的甲醇/二氯甲烷混合溶剂溶解,加入200-300目的硅胶粉蒸干,干法上样,以1-5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物3.203g,产率74.436%。1H-NMR(600MHz,DMSO-d6)δ8.12-7.86(m,4H),7.80-7.71(m,5H),7.69(d,J=8.2Hz,1H),7.67-7.56(m,2H),7.52-7.26(m,20H),5.14-4.94(m,8H),4.35-4.29(m,3H),4.27-4.19(m,3H),3.74-3.64(m,5H),3.60-3.49(m,4H),3.43-3.36(m,6H),3.21-3.03(m,8H),2.69-2.57(m,4H),2.55-2.45(m,12H),2.26-2.15(m,6H),1.93-1.80(m,4H),1.79-1.67(m,3H),1.67-1.56(m,3H),1.56-1.43(m,6H),1.43-1.34(m,2H),1.34-1.19(m,60H)
10.14 74-214的制备
称取74-206(1g,0.45mmol)置于100ml圆底烧瓶中,再加入TFA(5ml),在室温下搅拌反应1h。反应结束后,减压旋蒸除去部分TFA。加入甲基叔丁基醚(50ml),用超声波处理,减压旋蒸。加入二氯甲烷溶解,再加入正己烷/甲基叔丁基醚沉降,倒去上清液,如此重复多次,直至产物变为粘稠油状,最后旋蒸浓缩、烘干得到产物0.84g。1H-NMR(600MHz,DMSO-d6)δ13.05-11.38(m,6H),8.12-7.86(m,4H),7.80-7.71(m,5H),7.69(d,J=8.2Hz,1H),7.67-7.56(m,2H),7.52-7.26(m,20H),5.14-4.94(m,8H),4.35-4.29(m,3H),4.27-4.19(m,3H),3.74-3.64(m,5H), 3.60-3.49(m,4H),3.43-3.36(m,6H),3.21-3.03(m,8H),2.69-2.57(m,4H),2.55-2.45(m,12H),2.26-2.15(m,6H),1.93-1.80(m,4H),1.79-1.67(m,3H),1.67-1.56(m,3H),1.56-1.43(m,6H),1.43-1.34(m,2H),1.34-1.19(m,6H)
10.15 74-215的制备
将74-214(0.58g,0.31mmol)、76-93(2.68g,1.86mmol)、HBTU(0.962g,2.538mmol)和HOBT(0.342g,2.538mmol)置于100ml圆底烧瓶中,然后加入DMF(8ml)和NMP(8ml),以超声波辅助溶解。将混合液置于0℃条件下搅拌3分钟,再滴加DIEA(0.83g,5.07mmol),3分钟后取出,在室温下搅拌反应。反应结束后,向反应液中加入甲基叔丁基醚(150ml),析出固体,抽滤,滤饼用适量1/4的甲醇/二氯甲烷混合溶剂溶解,再加入100-200目的硅胶粉蒸干,干法上样,以1%氨水/5-9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品,浓缩、蒸干得到产物1.7g。1H-NMR(600MHz,DMSO-d6)δ8.29-8.14(m,14H),8.14-8.02(m,14H),8.02-7.92(m,10H),7.91-7.76(m,15H),7.40-7.25(m,20H),6.82-6.68(m,11H),5.17-4.90(m,8H),4.30-4.00(m,24H),3.65-3.55 (m,17H),3.55-3.44(m,97H),3.44-3.35(m,79H),3.31-3.21(m,46H),3.21-3.11(m,36H),3.11-2.93(m,60H),2.92-2.84(m,18H),2.67-2.52(m,4H),2.47-2.37(m,2H),2.37-2.19(m,8H),2.19-1.95(m,52H),1.94-1.58(m,37H),1.56-1.40(m,20H),1.40-1.30(m,225H),1.30-1.15(m,24H)
10.16 74-216的制备
将原料74-215(1.3g,0.124mmol)和10%的Pd/C催化剂(100mg)加入到氢化反应装置中,然后加入甲醇(30ml)使其溶解,封闭氢化反应装置,充入氢气,再排空氢气,重复5次,再充入氢气至2MPa,然后在50℃油浴下搅拌过夜反应。反应完成后,母液用含滤纸的布氏漏斗抽滤,减压旋蒸,烘干得产物1.23g。1H-NMR(600MHz,DMSO-d6)δ12.01(s,1H),8.29-8.14(m,14H),8.14-8.02(m,14H),8.02-7.92(m,10H),7.91-7.76(m,12H),6.82-6.68(m,11H),4.30-4.00(m,24H),3.65-3.55(m,17H),3.55-3.44(m,97H),3.44-3.35(m,79H),3.31-3.21(m,46H),3.21-3.11(m,36H),3.11-2.93(m,60H),2.92-2.84(m,24H),2.67-2.52(m,4H),2.47-2.37(m,2H),2.37-2.19(m,8H),2.19-1.95(m,52H),1.94-1.58(m,37H),1.56-1.40(m,20H),1.40-1.30(m,225H),1.30-1.15(m,24H)
10.17 74-217的制备
将74-216(1.23g,0.124mmol)置于100ml圆底烧瓶中然后加入超干DMF(15ml),以超声波辅助溶解,再在0℃条件下搅拌3分钟,再缓慢滴加DIEA(0.614g,3.72mmol),搅拌3分钟后,加入Y-NHS-10K(3.86g,0.375mmol,购于键凯,批次为ZZ403P059),在室温下避光低速搅拌反应。反应结束后,向反应液中加入甲基叔丁基醚(450ml),固体析出,抽滤,烘干滤饼得到产物4.5g。
10.18 74-225的制备
将74-217(4g,0.098mmol)、74-223(0.263g,0.392mmol)、HBTU(0.148g,0.392mmol)和HOBT(0.052g,0.392mmol)置于100ml圆底烧瓶中然后加入DMF(10ml),以超声波辅助溶解后,置于0℃条件下搅拌3分钟。再滴加DIEA(0.194g,1.176mmol),5分钟后取出,在室温下搅拌反应。反应结束后,向反应液中加入甲基叔丁基醚(450ml),固体析出,抽滤,滤饼重新用适量1/4的甲醇/二氯甲烷混合溶剂溶解,加入100-200目的硅胶粉蒸干,干法上样,以1%氨水/3-8%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、烘干得到产物1.74g。
10.19 74-228的制备
将74-225(1.74g,0.042mmol)置于250ml的圆底烧瓶中,加入TFA(10ml),在室温下搅拌反应。反应结束后,加入二氯甲烷,旋蒸除去二氯甲烷和大部分TFA,如此重复3次,得到油状粘液。再加入甲基叔丁基醚(100ml),固体析出,抽滤、烘干滤饼得产物0.92g。
10.20 74-229的制备
将74-228(0.92g,0.024mmol)置于100ml圆底烧瓶中,再加入DMF(10ml),以超声波辅助溶解,置于0℃条件下搅拌3分钟,缓慢滴加DIEA(0.119g,0.72mmol)和77-164(0.75g,0.72mmol),3分钟后取出,在室温下搅拌反应过夜。反应结束后,向反应液中加入甲基叔丁基醚(150ml),固体析出,室温下静置4h,倾倒上清液,再向固体中加入适量二氯甲烷溶解产物,再加入甲基叔丁基醚(100ml),固体析出,抽滤,烘干滤饼得产物1.46g。
10.21 74-230的制备
将74-229(1.46g,0.024mmol)和TSTU(0.014g,0.048mmol)置于100ml圆底烧瓶中,加入DMF(10ml)溶解,再加入三乙胺(0.1ml),在室温下搅拌反应。反应完成后加入正己烷(10ml)和甲基叔丁基醚(50ml),固体析出,静置1h,倾倒上清液,如此重复4次,抽滤、烘干滤饼得产物1.26g。
10.22 74-232的制备
将74-230(1g,0.016mmol)置于100ml圆底烧瓶中然后加入DMF(10ml),以超声波辅助溶解,置于0℃条件下搅拌3分钟。再滴加DIEA(0.0074ml,0.0576mmol),再加入74-185(0.01g,0.0176mmol),在室温下搅拌反应。反应结束后,向反应液中加入甲基叔丁基醚(450ml)和正己烷(50ml),固体析出,静置4h后倾倒出上清液,固体用适量二氯甲烷溶解,加入硅胶粉(100-200目)蒸干,干法上样,以1%三乙胺/5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、蒸干得到产物0.62g。1H-NMR(600MHz,DMSO-d6)δ9.31-9.11(m,24H),8.33-8.06(m,40H),8.04-7.79(m,185H),7.79-7.61(m,84H),7.61-7.38(m,170H),7.25-7.11(m,22H),6.40-6.24(m,24H),5.91-5.74(m,24H),5.55-5.24(m,83H),5.02-4.79(m,44H),4.75-4.58(m,22H),4.54-3.83(m,134H),3.82-2.85(m,2850H),2.70-2.00(m,454H),1.91-0.90(m,534H)
实施例11化合物85-97的合成




11.1 85-83的制备
取76-191(0.70g,3.5115mmol)、N-(2-氨乙基)马来酰亚胺盐酸盐(0.62g,3.5115mmol)、HOBT(0.71g,5.2672mmol)和HBTU(1.9g,5.2672mmol)投入100ml烧瓶中,加入DMF(15ml)溶解,将反应置于-10℃条件下搅拌约10分钟,然后缓慢滴加DIEA(2.3ml,14.046mmol),继续在-10℃反应;点TLC检测反应进度。反应结束后,将反应液转移到1L分液漏斗中,加入饱和食盐水(150ml)和乙酸乙酯(150ml)萃取,得到有机相,水相再用乙酸乙酯(150ml)萃取。合并有机相,再用去离子水(100ml x 2)清洗,浓缩蒸干,将产物用4/1的二氯甲烷/甲醇混合溶剂溶解,加入硅胶粉,蒸干,干法上样,以60-80%的乙酸乙酯/石油醚混合溶液为洗脱剂进行柱层析,收集含有产品组分的有机溶液,浓缩、真空烘箱干燥得到产品0.17g。
11.2 85-55的制备
将75-217(1.6g,2.4093mmol)、88-86(3.24g,7.9508mmol)、HBTU(4.11g,10.8418mmol)和HOBT(1.46g,10.8418mmol)投入250ml反应烧瓶中,用DMF(30ml)使其溶解,将反应置于室温下搅拌约20分钟,然后缓慢滴加DIEA(5.9ml,36.1395mmol),继续在室温下搅拌。反应完成后,加入正己烷(250ml)和甲基叔丁基醚(70ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复5次。抽滤得到固体产物,以二氯甲烷/甲醇混合溶剂溶解,加入硅胶粉蒸干,干法上样,以2-6%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品2.64g,产率60.17%。1H-NMR(600MHz,DMSO-d6)δ8.07-7.87(m,6H),7.36-7.28(m,25H),7.24-7.19(m,3H),5.08-5.05(m,4H),4.99(s,6H),4.22-4.09(m,5H),3.69-3.61(m,2H),3.61-3.54(m,2H),3.54-3.47(m,2H),3.44-3.37(m,2H),3.29-3.23(m,4H),3.17-3.15(m,4H),2.99-2.90(m,7H),2.73-2.51(m,8H),2.49-2.44(m,2H),2.44-2.36(m,2H),2.36-3.28(m,10H),1.61-1.50(m,4H),1.49-1.41(m,4H),1.37(s,27H),1.26-1.21(m,6H);ESI[M+Na+]1877.680
11.3 85-78的制备
在装有85-55(2.64g,1.4230mmol)的烧瓶中加入二氯甲烷(5ml),以超声波辅助溶解后加入TFA(6.2ml,42.691mmol),放于室温下搅拌反应。反应结束后,先将反应液浓缩蒸干除去二氯甲烷和大部分TFA,加入甲基叔丁基醚(300ml)沉降,析出固体产品,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼,真空干燥得到产品2.4g。1H-NMR(600MHz,DMSO-d6)δ11.0(s,3H),8.08-7.90(m,6H),7.36-7.29(m,25H),7.24-7.17(m,3H),5.08-5.04(m,4H),4.99(s,6H),4.23-4.11(m,4H),3.70-3.44(m,12H),3.22-3.16(m,4H),2.98-2.91(m,6H),2.70-2.61(m,4H),2.59-2.53(m,4H),2.40-2.28(m,12H),1.60-1.50(m,4H),1.50-1.40(m,4H),1.28-1.13(m,10H);ESI[M+H+]1684.76807
11.4 85-80的制备
将85-78(0.25g,0.1482mmol)、70-201(0.6g,0.48901mmol)、HBTU(0.25g,0.6669mmol)和HOBT(0.09g,0.6669mmol)加入到250ml圆底烧瓶中,用DMF(16ml)使其溶解后,再将反应烧瓶置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(0.4ml,2.223mmol),滴加完毕后,并将反应烧瓶置于-5℃搅拌反应1小时,将其取出转移至室温下搅拌。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(100ml)沉降,倾倒上清液,如此重复3次,抽滤得到固体产物,将固体产物用20%甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉蒸干,干法上样,以1%氨水/7-15%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集含有产品组分的有机溶剂蒸干,放于真空烘箱干燥得到产品0.2g,产率23.33%。1H-NMR(600MHz,DMSO-d6)δ8.36-8.22(m,9H),8.18-7.98(m,24H),7.37-7.29(m,25H),7.21-7.01(m,24H),5.09-5.04(m,4H),4.98(s,6H),4.33-4.19(m,12H),4.15-4.05(m,25H),3.72-3.68(m,12H),3.29-3.27(m,4H),3.02-2.97(m,6H),2.91-2.88(m,4H),2.56-2.52(m,6H),2.25-2.06(m,42H),1.98-1.88(m,16H),1.73-1.71(m,6H),1.52-1.46(m,12H),1.39(s,108H),1.25-1.23(m,18H)
11.5 85-82的制备
将85-80(0.2g,0.0381mmol)用无水DMF加热溶解,再投入氢化反应釜中,再加入10%的Pd/C催化剂(0.1g),封闭氢化反应装置,充入氢气再以水泵抽空,如此重复三次后,最后调节氢化反应装置上的压力读数为2.0MPa,然后在43℃油浴条件下搅拌过夜。反应结束后,将反应液用硅藻土过滤,硅藻土用DMF(5ml×3)清洗,得到液体产物。加入甲基叔丁基醚和正己烷沉降,倒出上清液,再加入甲基叔丁基醚和正己烷,如此重复三次,最后过滤、烘干得到产品0.17g。1H-NMR(600MHz,DMSO-d6)δ9.70-9.56(m,2H),8.20-7.89(m,54H),5.11(s,6H),4.31-4.11(m,12H),3.81-3.64(m,27H),3.12-3.05(m,20H),3.03-2.97(m,10H),2.64-2.60(m,6H),2.42-2.34(m,10H),2.30-2.03(m,42H),1.75-1.69(m,6H),1.44-1.42(m,12H),1.40-1.37(m,108H),1.28-1.21(m,18H)
11.6 85-84的制备
将85-82(0.17g,0.0381mmol)投入到250ml的烧瓶中,用无水DMF(10ml)使之溶解,将反应置于0℃反应30分钟,再缓慢滴加DIEA(0.2ml,1.4287mmol),继续低温下搅拌10分钟后,加入Y-NHS-10K(1.17g,0.1143mmol),反应置于室温下避光低速搅拌一周。反应结束后,再加甲基叔丁基醚(100ml)和正己烷(30ml),固体析出,抽滤,滤饼用甲基叔丁基醚(40mlⅹ3)清洗,收集滤饼,真空烘箱干燥,得到产品1.07g。1H-NMR(600MHz,DMSO-d6)δ9.70-9.56(m,2H),8.22-7.79(m,57H),4.19-4.12(m,12H),3.71-3.69(m,27H),3.54-3.49(m,2727H),3.06-2.96(m,30H),2.41-2.36(m,16H),2.21-2.15(m,42H),1.74-1.70(m,6H),1.46-1.45(m,12H),1.41-1.38(m,108H),1.21-1.16(m,18H)
11.7 85-87的制备
将85-84(0.5g,0.0142mmol)、76-129(0.028g,0.0426mmol)、HBTU(0.016g,0.0426mmol)和HOBT(0.0057g,0.0426mmol)投入250ml烧瓶中,加入DMF(15ml)溶解,将反应置于室温下搅拌约20分钟,然后缓慢滴加DIEA(0.02ml,0.1279mmol),继续在室温下避光低速搅拌。反应完成后,加入正己烷(250ml)和甲基叔丁基醚(70ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复5次,抽滤得到固体产物,将真空烘箱干燥,得到产品0.51g。1H-NMR(600MHz,DMSO-d6)δ8.32-7.95(m,73H),4.25-4.11(m,24H),4.01-3.95(m,8H),3.75-3.70(m,27H),3.54-3.49(m,2727H),3.16-3.05(m,42H),2.81-2.76(m,16H),2.17-2.09(m,72H),1.54-1.49(m,22H),1.41-1.38(m,108H),1.27-1.25(m,26H)
11.8 85-85的制备
将85-87(0.51g,0.0142mmol)和85-83(0.054g,0.1704mmol)置于反应烧瓶中,加入无水DMF(16ml)溶解,并用氮气填充反应烧瓶,然后加入CuSO4(0.036g,0.2272mmol)和抗坏血酸钠(0.09g,0.4544mmol),将反应烧瓶在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷和甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品0.44g。1H-NMR(600MHz,DMSO-d6)δ8.54-8.21(m,33H),8.18-7.89(m,32H),7.76-7.67(m,8H),7.21-6.92(m,24H),6.85-6.62(m,16H),4.52-4.41(m,24H),4.38-4.30(m,18H),4.21-4.11(m,33H),3.87-3.81(m,44H),3.54-3.49(m,2727H),3.25-3.22(m,20H),3.09-3.06(m,6H),2.90-2.88(m,4H),2.64-2.60(m,10H),2.46-2.35(m,48H),2.25-2.05(m,56H),1.94-1.80(m,16H),1.79-1.63(m,20H),1.55-1.47(m,16H),1.41-1.38(m,108H),1.26-1.25(m,26H)
11.9 85-89的制备
将85-85(0.1g,0.0025mmol)和Ac-C-PLGLAG-iRGD(0.032g,0.0204mmol)加入100ml烧瓶中,再加入DMSO(6ml)使其溶解,置于常温下搅拌反应过夜,反应结束后。加入正己烷(20ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复6次,抽滤得到固体产物,放于真空烘箱干燥,得到产品0.129g。
11.10 85-96的制备
将装有85-89(0.129g,0.0025mmol)的烧瓶中加入加入TFA(0.1ml,1.34mmol),以超声波辅助溶解,放于室温下搅拌反应过夜。反应结束后,先将反应液浓缩蒸干,以DMF(5ml)溶解,加入过量DIEA中和,以甲基叔丁基醚(200ml)和正己烷(100ml)沉降,将上层清液倒出,再以甲基叔丁基醚(200ml)和正己烷(100ml)沉降,析出固体产品,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼,真空干燥得到产品0.126g。
11.11 85-97的制备
取反应物85-96(0.126g,0.0025mmol)和DOX(0.034g,0.06mmol)放入反应烧瓶中,加入甲醇(20ml)溶解,再加入TFA(0.003ml,0.0375mmol),于常温条件下搅拌反应,用TLC监测反应进展。反应 结束后,将反应液中的固体过滤,滤液用旋转蒸发仪蒸干,用甲基叔丁基醚沉降,呈粉末状固体,过滤,收集滤饼。将固体产物用2%甲醇/二氯甲烷混合溶液洗涤3次,收集滤液,浓缩、干燥得产品0.061g。1H-NMR(600MHz,DMSO-d6)δ9.10-9.04(m,24H),8.44-8.39(m,49H),8.30-8.27(m,32H),8.08-7.99(m,112H),7.85-7.82(m,56H),7.30-7.18(m,48H),4.97-4.95(m,64H),4.91-4.86(m,60H),4.35-4.31(m,50H),4.26-4.24(m,64H),4.20-4.17(m,109H),3.87-3.82(m,100H),3.64-3.63(m,80H),3.54-3.49(m,2727H),3.24-3.23(m,90H),3.06-3.01(m,36H),2.93-2.91(m,24H),2.76-2.72(m,14H),2.63-2.60(m,28H),2.41-2.38(m,24H),2.17-2.14(m,172H),1.88-1.87(m,40H),1.70-1.67(m,84H),1.52-1.47(m,88H),1.28-1.26(m,42H),1.19-1.18(m,36H),0.89-0.86(m,96H)
实施例12化合物85-26的合成



12.1 71-252的制备
称取阿西替尼(5g,12.938mmol,简称AXT)和氯甲酸-4-硝基苯(5.215g,25.875mmol),加入THF(约500ml),以超声波辅助溶解成均相,在冷凝回流的情况下,在75摄氏度油浴中,搅拌反应4小时。反应结束后,反应液加甲基叔丁基醚(150ml)与正己烷(100ml),析出固体产品,抽滤,真空干燥得到产品7.4g。ESI[M+H+]552.132
12.2 71-251的制备
称取71-252(3.0g,5.4389mmol)和88-4(1.35g,5.4389mmol)加入到反应烧瓶中,加入三乙胺(2.3ml,16.3169mmol),用DMF(26ml)溶解后在常温下搅拌反应。反应结束后,向反应液中加入正己烷和甲基叔丁基醚沉降,得粉末状固体,倾倒上层清液,加入20%甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉(20ml)蒸干,干法上样,以0-2%甲醇/二氯甲烷混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品2.57g,产率69.45%。1H-NMR(600MHz,DMSO-d6)δ8.65(d,J=4.5Hz,1H),8.47-8.37(m,2H),8.35(s,1H),8.30(d,J=8.4Hz,1H),7.98-7.93(m,1H),7.86(dd,J=7.6,1.6Hz,1H),7.82(d,J=16.3Hz,1H),7.72(d,J=7.8Hz,1H),7.51(dd,J=7.3,1.6Hz,1H),7.40-7.28(m,4H),7.12(d,J=7.6Hz,1H),6.76(s,1H),3.64-3.54(m,4H),3.49(ddd,J=17.7,8.4,4.4Hz,4H),3.38(d,J=12.1Hz,2H),3.10-3.00(m,2H),2.76(d,J=4.6Hz,3H),1.34(s,9H);ESI[M+Na+]683.26147
12.3 71-263的制备
称取71-251(2.57g,3.8923mmol),加入二氯甲烷(5ml)溶解,再加入TFA(2.9ml,38.923mmol),在常温下搅拌反应。反应结束后,浓缩反应液,反应液加甲基叔丁基醚(150ml)与正己烷(100ml)沉降,析出固体产品,抽滤,固体用20%甲醇/二氯甲烷的混合溶剂溶解后加入硅胶粉混合均匀,蒸干,干法上样,以1%氨水/5%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物溶液组分,浓缩、蒸干得到产物2.18g。
12.4 71-284的制备
将71-263(2.18g,3.8922mmol)、81-127(0.54g,0.8846mmol)、HBTU(2.01g,5.3076mmol)和HOBT(0.717g,5.3076mmol)投入500ml反应烧瓶中,加入DMF(50ml),以超声波辅助溶解,将反应置于0℃条件下搅拌约20分钟,然后缓慢滴加DIEA(2.6ml,17.692mmol),继续在0℃反应1小时,然后将反应移到室温下搅拌。反应完成后,加入正己烷(250ml)和甲基叔丁基醚(70ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次。抽滤得到固体产物,将得到的固体产物用20%甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉蒸干,干法上样,用2-5%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品2.12g,产率86.17%。1H-NMR(600MHz,DMSO-d6)δ8.64-8.61(m,4H),8.43-8.40(m,4H),8.38-8.35(m,4H),8.34-8.31(m,4H),8.27-8.26(m,4H),8.22-8.16(m,2H),8.09-8.03(m,2H),7.99-7.89(m,6H),7.85-7.76(m,10H),7.72-7.66(m,4H),7.53-7.47(m,4H),7.35-7.30(m,16H),7.13-7.06(m,4H)4.25-4.13(m,3H),3.60-3.42(m,40H),3.26-3.21(m,2H),3.17-3.12(m,8H),2.78-2.74(m,12H),2.21-1.97(m,10H),1.91-1.77(m,4H),1.46-1.40(m,2H),1.33(s,9H),1.25-1.12(m,4H);ESI[M+Na+]2810.351
12.5 71-289的制备
在装有71-284(2.12g,0.7612mmol)的烧瓶中加入二氯甲烷(5ml),以超声波辅助溶解,再加入TFA(1.2ml,15.224mmol),放于室温下搅拌反应。反应结束后,先将反应液浓缩蒸干除去二氯甲烷和大部分TFA,以甲基叔丁基醚(300ml)沉降,析出固体产品,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼、真空干燥得到产品2.04g。ESI[M+H+]2688.391
12.6 71-264的制备
将70-186(0.27g,0.4748mmol)、88-86(0.92g,2.2794mmol)、HBTU(1.08g,2.8492mmol)和HOBT(0.38g,2.8492mmol)投入250ml中,加入DMF(20ml)溶解,在室温下搅拌约20分钟,然后缓慢滴加DIEA(1.6ml,9.4975mmol),继续在室温下搅拌。反应结束后,将反应液转移至1L的分液漏斗中,加入饱和氯化钠溶液(200ml)和乙酸乙酯(150ml)进行萃取,得到有机相,水相再用乙酸乙酯(200ml x 2)萃取。合并有机相用去离子水(250ml x 2)清洗。将有机相浓缩,蒸干至固体,真空烘箱干燥得到产品0.68g,产率68.0%。1H-NMR(600MHz,DMSO-d6)δ8.03-7.92(m,8H),7.34-7.28(m,25H),7.24-7.15(m,4H),5.07(s,2H),4.99(s,8H),4.21-4.14(m,4H),3.73-3.44(m,7H),3.28-3.26(m,2H),3.17-3.16(m,6H),2.97-2.92(m,8H),2.74-2.55(m,10H),2.35-2.24(m,16H),1.58-1.52(m,4H),1.50-1.41(m,6H),1.37(s,36H),1.26-1.13(m,14H);ESI[M+H+]2127.15796
12.7 71-274的制备
将71-264(0.48g,0.2257mmol)投入氢化反应釜中,再加入10%的Pd/C催化剂(0.1g),再加入甲醇(20ml)使之溶解,通入氢气,调节压力为1.8MPa,在室温下搅拌反应过夜。反应结束后,将反应液用硅藻土过滤,硅藻土用甲醇清洗(5ml×3),合并甲醇溶液,再向液体中加入二氯甲烷,用 减压旋蒸将其蒸干。再加入二氯甲烷和甲苯(0.2ml)超声,再将其蒸干,如此重复5次。再加入二氯甲烷超声溶解,将其蒸干,如此重复5次,真空烘箱干燥得到产品0.33g。1H-NMR(600MHz,DMSO-d6)δ11.0(s,1H),8.68-7.73(m,8H),5.11(s,8H),4.17-4.14(m,4H),4.06-3.85(m,10H),3.77-3.43(m,11H),3.30-3.22(m,4H),3.21-3.14(m,4H),2.80-2.57(m,10H),2.37-2.32(m,10H),2.30-2.12(m,8H),1.61-1.52(m,4H),1.52-1.45(m,4H),1.39(s,36H),1.35-1.22(m,8H);ESI[M+H+]1499.96240
12.8 71-278的制备
将71-274(0.05g,0.0333mmol)投入到250ml的烧瓶中,用无水DMF(15ml)使之溶解,将反应置于0℃反应30分钟,再缓慢滴加DIEA(0.3ml,1.6668mmol),继续低温下搅拌10分钟后,加入M-SCM-10K(1.56g,0.1466mmol,购于键凯Lot Number:A3016-N230101),反应置于室温下避光低速搅拌一周。反应结束后,再加甲基叔丁基醚(200ml)和正己烷(70ml)沉降,固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40mlⅹ3),收集滤饼,真空烘箱干燥得到产品1.06g。1H-NMR(600MHz,DMSO-d6)δ9.05-9.04(m,1H),8.11-7.85(m,12H),4.17-4.13(m,4H),3.88-3.82(m,15H),3.51-3.50(m,3828H),2.65-2.59(m,24H),2.40-2.37(m,10H),1.59-1.52(m,8H),1.50-1.43(m,8H),1.39-1.37(m,36H),1.30-1.25(m,8H)
12.9 71-295的制备
将71-278(1.0g,0.0233mmol)、71-289(0.094g,0.035mmol)、HBTU(0.013g,0.035mmol)和HOBT(0.0046g,0.0047mmol)投入250ml烧瓶中,加入DMF(30ml)溶解,在室温下搅拌约20分钟,然后缓慢滴加DIEA(0.1ml,0.607mmol),继续在室温下搅拌。反应完成后,加入正己烷(250ml)和甲基叔丁基醚(70ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复5次。抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以10%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品0.53g。1H-NMR(600MHz,DMSO-d6)δ8.65-8.60(m,4H),8.41-8.32(m,12H),8.27-8.24(m,4H),8.10-8.07(m,2H),8.01-7.90(m,12H),7.86-7.76(m,12H),7.71-7.62(m,10H),7.55-7.48(m,4H),7.35-7.29(m,16H),7.13-7.12(m,4H),4.20-4.17(m,7H),3.63-3.61(m,43H),3.51-3.50(m,3828H),3.18-3.12(m,22H),3.07-3.02(m,12H),2.77-2.73(m,24H),2.36-2.32(m,10H),2.15-2.04(m,14H),1.51-1.43(m,18H),1.39-1.37(m,36H),1.28-1.26(m,12H)
12.10 85-10的制备
在装有71-295(0.53g,0.0114mmol)的烧瓶中加入TFA(0.5ml,0.9153mmol),以超声波辅助溶解,在室温下搅拌反应过夜。反应结束后,先将反应液浓缩蒸干除去大部分TFA,以甲基叔丁基醚(300ml)沉降,析出固体产品,抽滤,滤饼用甲基叔丁基醚洗涤(40ml×3),收集滤饼,真空干燥得到产品0.5g。1H-NMR(600MHz,DMSO-d6)δ10.04-9.89(m,4H),8.65-8.57(m,4H),8.45-8.30(m,12H),8.29-8.24(m,6H),8.14-8.09(m,18H),7.86-7.74(m,10H),7.75-7.60(m,10H),7.53-7.47(m,4H),7.35-7.26(m,12H),7.19-7.16(m,4H),4.21-4.15(m,7H),3.64-3.62(m,43H),3.51-3.50(m,3828H),3.25-3.22(m,12H),3.20-3.10(m,12H),3.09-3.0(m,10H),2.85-2.66(m,24H),2.40-2.33(m,10H),2.15-2.04(m,8H),1.90-1.77(m,6H),1.60-1.53(m,4H),1.51-1.43(m,6H),1.40-1.35(m,8H),1.28-1.14(m,12H)
12.11 85-16的制备
将85-10(0.5g,0.0108mmol)、76-93(0.093g,0.0651mmol)、HBTU(0.024g,0.0651mmol)和HOBT(0.0087g,0.0651mmol)加入到250ml圆底烧瓶中,用DMF(20ml)使其溶解后,在室温下搅拌约20分钟,然后缓慢滴加DIEA(0.041ml,0.2172mmol),滴加完毕后,并将反应烧瓶继续置于室温下搅拌。反应结束后,加入正己烷(150ml)和甲基叔丁基醚(100ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次。抽滤得到固体产物,将得到的固体产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以1%氨水/5-8%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品0.31g。1H-NMR(600MHz,DMSO-d6)δ8.65-8.57(m,4H),8.43-8.30(m,12H),8.28-8.18(m,16H),8.13-8.06(m,16H),8.02-7.93(m,12H),7.90-7.78(m,18H),7.75-7.63(m,10H),7.53-7.45(m,8H),7.42-7.38(m,4H),7.36-7.23(m,12H),7.14-7.13(m,4H),7.02-6.95(m,12H),4.26-4.23(m,20H),4.11-4.07(m,40H),3.98-3.94(m,18H),3.70-3.59(m,112H),3.51-3.50(m,3828H),3.17-3.15(m,70H),2.75-2.73(m,12H),2.70-2.66(m,32H),2.13-2.10(m,80H),1.48-1.43(m,16H),1.47-1.46(m,26H),1.37-1.36(m,144H),1.26-1.25(m,28H)
12.12 85-23的制备
将装有85-23(0.31g,0.0059mmol)的烧瓶中加入TFA(0.1ml,0.9577mmol),以超声波辅助溶解,在室温下搅拌反应过夜。反应结束后,先将反应液浓缩除去大部分TFA,加入甲基叔丁基醚(200ml)和正己烷(100ml)沉降,将上层清液倒出,再以甲基叔丁基醚(200ml)和正己烷(100ml)沉降,析出固体产品,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤六次,收集滤饼、真空干燥得到产品0.27g。
12.13 85-26的制备
将85-23(0.27g,0.0053mmol)、81-189(0.12g,0.1291mmol)、HBTU(0.048g,0.1291mmol)和HOBT(0.017g,0.1291mmol)加入到250ml圆底烧瓶中,用DMF(15ml)使其溶解后,在室温下搅拌约20分钟,然后缓慢滴加DIEA(0.07ml,0.4304mmol),滴加完毕后,并将反应烧瓶继续置于室温下搅拌。反应结束后,加入正己烷(150ml)和甲基叔丁基醚(100ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次。抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以1%氨水/5-10%甲醇/二氯甲烷混合溶液为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品0.2g。1H-NMR(600MHz,DMSO-d6)δ8.39-8.35(m,16H),8.18-8.15(m,18H),8.11-8.05(m,80H),7.93-7.86(m,96H),7.27-7.20(m,130H),4.56-4.48(m,15H),4.37-4.32(m,36H),4.26-4.16(m,60H),4.04-3.98(m,58H),3.96-3.92(m,36H),3.66-3.60(m,156H),3.51-3.50(m,3828H),3.25-3.22(m,50H),3.15-2.12(m,66H),3.07-3.02(m,50H),2.81-2.76(m,50H),2.75-2.72(m,26H),2.28-2.20(m,76H),2.19-2.05(m,132H),1.79-1.76(m,65H),1.61-1.56(m,68H),1.54-1.48(m,96H),1.25-1.20(m,34H),0.92-0.83(m,96H) 实施例13化合物75-209的合成



13.1 75-129的制备
将71-274(0.05g,0.0333mmol)加入到250ml圆底烧瓶中,然后加入超干DMF(10ml),以超声波辅助溶解,将混合液置于-5℃条件下搅拌10分钟,再缓慢滴加DIEA(0.44ml,2.666mmol),继续搅拌10分钟后,加入Y-NHS-10K(1.49g,0.1466mmol),在室温下避光低速搅拌反应。反应结束后,加入甲基叔丁基醚(450ml)沉降,固体析出,抽滤。滤饼重新用DMF溶解,再加入甲基叔丁基醚(450ml)沉降,如此重复三次。烘干滤饼得产物1.49g。1H-NMR(600MHz,DMSO-d6)δ10.31-10.29(m,1H),8.14-8.08(m,12H),4.56-4.54(m,4H),3.59-3.55(m,13H),3.53-3.50(m,3840H),2.72-2.64(m, 14H),2.49-2.28(m,12H),2.40-2.38(m,2H),2.14-2.11(m,8H),1.81-1.77(m,8H),1.53-1.49(m,8H),1.39-1.37(m,36H),1.25-1.23(m,8H)
13.2 75-182的制备
将75-129(0.75g,0.0178mmol)、74-185(0.01g,0.0178mmol)、HBTU(0.01g,0.0267mmol)和HOBT(0.003g,0.0267mmol)混合于烧瓶中,加入DMF(5ml),以超声波辅助溶解,置于-5℃恒温反应浴30min后,滴加DIEA(0.1ml,0.08mmol),常温搅拌反应2小时,点TLC检测反应进度。反应结束后,用甲基叔丁基醚(300ml)和正己烷(100ml)沉降,倒出上清液,如此重复3次。最后过滤得到固体,用甲醇/二氯甲烷混合溶剂溶解,再加入硅胶粉蒸干,放入烘箱,干法上样,先后用二氯甲烷和2-4%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、干燥得产品0.39g。1H-NMR(600MHz,DMSO-d6)δ10.31-10.29(m,1H),9.05-9.04(m,1H),8.56-8.45(m,3H),8.03-7.98(m,14H),7.56(m,2H),6.68(m,2H),4.28-4.21(m,5H),4.08-4.06(m,2H),3.88-3.82(m,4H),3.65-3.60(m,21H),3.53-3.50(m,3840H),3.29-3.07(m,4H),2.76-2.72(m,2H),2.63-2.61(m,16H),2.56-2.52(m,16H),2.10-2.05(m,4H),1.79-1.76(m,8H),1.60-1.53(m,8H),1.39-1.37(m,36H),1.25-1.22(m,8H)
13.3 75-187的制备
在装有原料75-182(0.39g,0.00912mmol)的250ml烧瓶中加入TFA(0.2ml,0.7299mmol),搅拌反应2小时,点TLC观察。反应完成后,减压浓缩,加入甲基叔丁基醚和正己烷沉降,倒出上清液,如此重复3次。抽滤、干燥得到产品0.34g。1H-NMR(600MHz,DMSO-d6)δ10.57-10.29(m,5H),9.05-9.04(m,1H),8.56-8.45(m,3H),8.15-8.03(m,14H),7.57-7.55(m,2H),6.68-6.64(m,2H),4.55-4.53(m,5H),4.39-4.37(m,2H),3.88-3.82(m,4H),3.65-3.54(m,21H),3.53-3.50(m,3840H),3.14-3.07(m,4H),2.76-2.72(m,2H),2.63-2.61(m,16H),2.56-2.52(m,16H),2.10-2.05(m,4H),1.79-1.76(m,8H),1.64-1.56(m,8H),1.27-1.22(m,8H)
13.4 75-192的制备
将75-187(0.26g,0.0071mmol)、70-201(0.03g,0.0284mmol)、HBTU(0.016g,0.0423mmol)和HOBT(0.005g,0.0423mmol)混合于250ml烧瓶中,加入DMF(5ml),以超声波辅助溶解,置于-5℃恒温反应浴30min后,滴加DIEA(0.2ml,0.1269mmol),常温搅拌反应2小时,点TLC检测反应进度。反应结束后,用甲基叔丁基醚(100ml)和正己烷(50ml)沉降,倒出清液后,再加入甲基叔丁基醚(100ml)和正己烷(50ml)沉降,如此重复3次。得到固体用混合溶剂溶解,再加入硅胶粉0.7g,蒸干,放入烘箱,干法上样,以2-6%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、干燥得到产品0.25g。1H-NMR(600MHz,DMSO-d6)δ10.30-10.29(m,1H),9.09-9.08(m,1H),8.83-8.73(m,16H),8.35-7.65(m,64H),7.55-7.54(m,2H),7.29-7.11(m,4H),6.55-6.53(m,2H),4.29-4.15(m,21H),3.83-3.66(m,50H),3.53-3.50(m,3840H),3.10-3.08(m,4H),2.84-2.60(m,26H),2.41-2.37(m,8H),2.25-2.05(m,5H),1.52-1.47(m,16H),1.40-1.37(m,144H),1.27-1.22(m,24H)
13.5 75-199的制备
在装有75-192(0.25g,0.00406mmol)的250ml烧瓶中加入TFA(0.1ml,1.301mmol),搅拌反应2小时,点TLC观察反应进度。反应完成后,加入甲基叔丁基醚(80ml)和正己烷(30ml)沉降,倒出清液后,再加入甲基叔丁基醚(100ml)和正己烷(50ml)沉降,如此重复3次。抽滤,得到产品0.24g。1H-NMR(600MHz,DMSO-d6)δ10.30-10.29(m,1H),9.09-9.08(m,1H),8.56-8.50(m,16H),8.31-7.76(m,46H),7.52-7.51(m,2H),7.21-7.14(m,4H),6.50-6.49(m,2H),4.28-4.20(m,21H),3.87-3.63(m,50H),3.53-3.50(m,3840H),3.12-3.08(m,4H),2.82-2.63(m,26H),2.42-2.36(m,8H),2.21-2.01(m,92H),1.55-1.48(m,16H),1.25-1.22(m,24H)
13.6 75-209的制备
将75-199(0.24g,0.00400mmol),DOX.HCl(0.0409g,0.070mmol)和甲醇(3ml)混合,以超声波辅助溶解,然后加入TFA(0.05ml)反应48小时。反应结束后,浓缩蒸出甲醇和TFA,加入甲基叔丁基醚和正己烷沉降,倒出清液后,再加入甲基叔丁基醚(100ml)和正己烷(50ml)沉降,如此重复3次。用乙酸乙酯(10ml)溶解,石油醚(30ml)沉降,如此重复3次。抽滤得到固体,得到产品0.22g。1H-NMR(600MHz,DMSO-d6)δ10.30-10.29(m,1H),9.04-9.03(m,1H),8.42-8.27(m,16H),8.11-7.75(m,96H),7.55-7.54(m,2H),7.19-7.08(m,22H),5.49-5.27(m,64H),4.63-4.40(m,16H),4.30-4.19(m,39H),4.01-3.98(m,16H),3.85-3.73(m,50H),3.63-3.56(m,65H),3.53-3.50(m,3840H),3.44-3.41(m,64H),3.25-3.23(m,36H),2.74-2.72(m,8H),2.63-2.60(m,26H),2.25-2.10(m,124H),1.52-1.49(m,23H),1.35-1.32(m,48H),1.20-1.14(m,48H)
实施例14化合物77-162的合成



14.1 82-49的制备
称取3-氨基-1,2-丙二醇(5.0g,54.879mmol)加入500ml烧瓶中,加入DMSO(20ml)使其完全溶解,在15℃和氮气保护下加入5.0mol/L的NaOH溶液(2.0ml),搅拌反应5分钟后,再缓慢滴加丙烯酸叔丁酯(23.9ml,164.637mmol),滴毕,取出于室温下搅拌反应24小时。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以20%乙酸乙酯/石油醚混合溶液为洗脱剂进行柱层析,收集、浓缩、真空烘箱干燥得到产品2.22g,产率8.51%。
14.2 77-82的制备
称取82-49(1g,2.1025mmol)、丁二酸苄酯(0.48g,2.3128mmol)、HBTU(0.96g,2.523mmol)和HOBT(0.34g,2.523mmol)加入500ml烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.83ml,5.046mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶液溶解,加入硅胶粉(100ml)蒸干,呈粉末状固体,干法上样,以乙酸乙酯/石油醚为洗脱剂进行柱层析,收集、浓缩、真空烘箱干燥得到产品1.1g。1H-NMR(600MHz,DMSO-d6)δ7.44-7.26(m,5H),5.12-5.05(m,2H),3.75-3.66(m,1H),3.63-3.47(m,5H),3.44-3.33(m,3H),2.68-2.52(m,4H),2.45-2.34(m,5H),1.44-1.34(m,27H);ESI[M+H+]666.38
14.3 77-83的制备
将77-82(0.476g,0.7157mmol)、TFA(1.59mL,21.471mmol)和二氯甲烷(5mL)置于250mL烧瓶溶解,室温搅拌反应至结束。反应完成后,减压浓缩反应液,再加入正己烷(20mL)和甲基叔丁基醚(50mL)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次。抽滤得到固体产物,真空烘箱干燥得到产品0.4175g。
14.4 77-135的制备
称取76-58(3.28g,5.53mmol)、77-83(0.8346g,1.67mmol)、HBTU(2.216g,5.845mmol)和HOBT(0.789g,5.845mmol)加入500ml烧瓶中,再加入适量DMF使其溶解,在-5℃下缓慢滴加DIEA(1.932ml,11.69mmol),滴毕,反应半小时后取出,在室温下继续搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以3-5%CH3OH/CH2Cl2为洗脱剂进行柱层析,收集、浓缩、真空烘箱干燥得到产品2.5g,产率87.38%。ESI[M+Na+]2244.59
14.5 77-144的制备
将77-135(0.8g,0.3601mmol)、TFA(0.268mL,3.601mmol)和二氯甲烷(5mL)置于250mL烧瓶溶解,室温搅拌反应至结束。反应完成后,减压浓缩反应液,再加入正己烷(20mL)和甲基叔丁基醚(50mL)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次。最后抽滤得到固体产物,真空烘箱干燥得到产品0.9605g。
14.6 77-146的制备
称取77-144(0.678mmol,0.3601mmol)、HBTU(1.229g,3.24mmol)和HOBT(0.437g,3.24mmol)加入装有76-93(3.3g,2.376mmol)的烧瓶中,再加入适量DMF使其溶解,在-5℃下缓慢滴加DIEA(1.07ml,6.481mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次。抽滤得到固体产物,收集、干燥得到产品2.5g,产率60%。1H-NMR(600MHz,DMSO-d6)δ8.22(s,11H),8.03(m,23H),7.81m,19H),7.33(s,21H),7.20(s,3H),6.76(s,19H),6.41(s,2H),5.02(m,8H),4.14(m,23H),3.48(s,92H),3.44-3.33(m,117H),3.24(s,25H),3.17(s,37H),3.05(m,46H),2.99-2.91(m,16H),2.60(m,6H),2.39(s,8H),2.21(s,7H),2.10(s,48H),1.79(m,44H),1.47(s,19H),1.35(m,216H),1.30-1.20(m,27H),1.05(s,5H),0.97(m,5H)
14.7 77-149的制备
将77-146(1.5g,0.14402mmol)和10% Pd/C催化剂(0.01g)投入到氢化反应釜中,然后加入CH3OH(30ml)使其溶解。封闭氢化反应装置,以水泵抽真空,充入约2MPa的氢气,如此重复3次,最终调节氢化反应装置上的压力读数为1.8MPa,然后在30摄氏度下过夜反应。反应结束后,将反应液用硅藻土通过布氏漏斗过滤,滤饼用甲醇(3mL×3)清洗,滤液装入500mL的圆底烧瓶中减压旋蒸,并以甲苯共沸除甲醇得产品1.2g。
14.8 77-155的制备
将77-149(0.85g,0.0853mmol)置于250ml烧瓶中,用DMF(15ml)使之溶解,将反应置于-5℃搅拌10分钟,再缓慢滴加DIEA(2.2ml,13.216mmol),继续低温下搅拌30分钟后,加入M-SCM-10K(3g,0.2816mmol,购于键凯,Lot Number:ZZ390P163),反应置于室温下避光低速搅拌一周。反应结束后,再加甲基叔丁基醚(200mL)和正己烷(70mL)沉降,固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40mLⅹ3),收集滤饼、真空烘箱干燥得到产品3.5g,产率98%。
14.9 77-159的制备
称取77-155(3.5g,0.08534mmol)、HBTU(0.161g,0.426mmol)和HOBT(0.057g,0.426mmol)加入装有70-68(0.292g,0.426mmol)的烧瓶中,再加入适量DMF使其溶解,在-5℃下缓慢滴加DIEA(0.061ml,0.8534mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,再用1/4的甲醇/二氯甲烷混合溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以3-5% CH3OH/CH2Cl2为洗脱剂进行柱层析,收集浓缩,真空烘箱干燥,得到产品3.8g。
14.10 77-161的制备
在装有77-159(3.8g,0.08534mmol)的烧瓶中加入二氯甲烷(5ml),以超声波辅助溶解后加入TFA(1.5ml,14mmol),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液中大部分TFA去除,加入正己烷和甲基叔丁基醚沉降,倒去上清液,再加入正己烷和甲基叔丁基醚沉降,如此重复3次,最后蒸干至固体,真空烘箱干燥得到产品3.39g。
14.11 77-162的制备
将76-164(2.09g,1.99mmol)中加入DIEA(1.345ml,8.14mmol)与DMF(15ml)溶解,再滴加 77-161(3g,0.07538mmol)的DMF溶液,搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次。抽滤得到固体产物,再用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,先后以3-8%CH3OH/CH2Cl2、0.5%氨水/8%CH3OH/CH2Cl2为洗脱剂进行柱层析,收集、浓缩、真空烘箱干燥得到产品0.9g,产率19%。1H-NMR(600MHz,DMSO-d6)δ9.30-9.18(m,24H),8.29-8.19(m,12H),8.12-8.04(m,22H),8.01-7.92(m,80H),7.90-7.80(m,71H),7.78-7.69(m,31H),7.68-7.61(m,48H),7.58-7.52(m,28H),7.51-7.38(m,142H),7.27-7.21(m,8H),7.20-7.14(m,24H),6.32-6.25(m,24H),5.85-5.78(m,24H),5.56-5.49(m,24H),5.45-5.37(m,24H),5.36-5.30(m,24H),4.96-4.86(m,48H),4.67-4.61(m,24H),4.23-4.16(m,24H),4.15-4.05(m,148H),4.05-3.95(m,54H),3.58-3.43(m,2394H),3.24-3.23(m,12H),3.19-3.15(m,307H),2.63-2.56(m,60H),2.40-2.35(m,48H),2.26-2.19(m,74H),2.13-2.04(m,105H),1.81-1.73(m,104H),1.66-1.60(m,30H),1.51-1.48(m,66H),1.36-1.32(m,20H),1.24-1.21(m,18H),1.05-0.96(m,135H)
实施例15化合物81-231的合成




15.1 74-171的制备
将74-150(3.9g,10.413mmol)、Boc-Lys(Fmoc)-OH(4.878g,10.413mmol)、HBTU(4.738g,12.495mmol)和HOBT(1.688g,12.495mmol)置于250ml圆底烧瓶中,加入DMF(30ml)以超声波辅助溶解,将混合液置于0℃条件下搅拌3分钟。再缓慢滴加DIEA(5.163ml,31.239mmol),5分钟后取出,在室温下搅拌反应。反应结束后加入石油醚和甲基叔丁基醚沉降,静置后倒出上清液,如此重复多次,直至产物变为粘稠油状。再将产物用适量2/8的甲醇/二氯甲烷混合溶剂溶解,加入200-300目的硅胶粉蒸干.干法上样,以2-4%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、浓缩、蒸干得到产物7.7g.
15.2 81-207的制备
将74-171(1.5g,1.818mmol)置于500ml的圆底烧瓶中,加入4M HCl-dioxane(10ml)以超声波辅助溶解,放于室温下搅拌反应。反应结束后,浓缩蒸干,再加入甲基叔丁基醚(50ml)以超声波处理,旋蒸,如此重复多次,直至产物变为粘稠油状。烘干得到产品1.31g。
15.3 81-209的制备
将81-207(1.317g,1.818mmol)、琥珀酸单叔丁酯(0.316g,1.818mmol)、HBTU(0.827g,2.18mmol)和HOBT(0.294g,2.18mmol)置于250ml圆底烧瓶中,然后加入DMF(10ml)以超声波辅助溶解,将混合液置于0℃条件下搅拌1分钟。再缓慢滴加DIEA(1.05ml,6.363mmol),在室温下搅拌反应。反应结束后,加入正己烷和甲基叔丁基醚,使用超声波处理后静置,倒掉上清液,如此重复多次,直至产物变为粘稠油状。再加入适量二氯甲烷,以超声波辅助溶解,用饱和碳酸氢钠清洗两次。收集有机相,用无水硫酸镁除水,加入200-300目的硅胶粉蒸干。干法上样,以6%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩、干燥得到产物0.6g。
15.4 81-213的制备
将原料81-209(0.6g,0.68mmol)置于500ml的圆底烧瓶中,加入乙腈(10ml)后再加入二乙胺(25ml)在室温下搅拌反应。反应结束后减压旋蒸除去二乙胺和乙腈,再加入适量二氯甲烷溶解,加 入200-300目的硅胶粉蒸干,干法上样,以1%氨水/15%甲醇/二氯甲烷为洗脱剂进行柱层析,收集含产物的有机相溶液,浓缩、蒸干得到产品0.3g.
15.5 81-210的制备
将81-205(9.6g,0.72mmol)置于500ml圆底烧瓶中,然后加入超干DMF(15ml),以超声波辅助溶解,将混合液置于0℃条件下搅拌3分钟。再缓慢滴加DIEA(0.185ml,1.12mmol),再加入Y-NHS-10K(16.47g,1.58mmol,购于键凯,批次:ZZ403P059),在氮气保护下室温低速避光搅拌反应。反应完成后,加入甲基叔丁基醚(200ml)沉降,固体析出,以超声波处理后静置,倒掉上清液,如此重复5次。减压旋蒸得固体,再加入适量1/4的甲醇/二氯甲烷混合溶剂(100ml)溶解,加入100-200目的硅胶粉蒸干,干法上样,以10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集含产物的有机相溶液、浓缩、蒸干得产物2.57g。1H-NMR(600MHz,DMSO-d6)δ10.18-10.00(m,5H),9.97-9.73(m,16H),8.96-8.84(m,5H),8.82-8.66(m,16H),8.64-8.46(m,15H),8.37-7.61(m,169H),7.55-7.41(m,19H),7.39-6.94(m,173H),6.77-6.62(m,12H),6.62-6.48(m,6H),5.88-5.74(m,4H),5.35-5.13(m,32H),4.89-4.65(m,30H),4.65-4.44(m,23H),4.44-3.93(m,54H),3.91-3.24(m,2003H),3.20-3.08(m,20H),3.08-2.86(m,114H),2.86-2.66(m,26H),2.65-2.58(m,28H),2.43-2.25(m,25H),2.25-1.98(m,31H),1.92-1.78(m,17H),1.78-1.65(m,21H),1.65-1.53(m,34H),1.53-1.38(m,53H),1.38-1.06(m,66H),0.94-0.66(m,120H)
15.6 81-218的制备
将81-210(2.57g,0.06mmol)、81-213(0.23g,0.36mmol)、HBTU(0.136g,0.36mmol)和HOBT(0.0486g,0.36mmol)置于50ml圆底烧瓶中,然后加入DMF(20ml)以超声波辅助溶解,将混合液置于0℃条件下搅拌1分钟。再缓慢滴加DIEA(0.56ml,3.4mmol),10分钟后取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,超声波处理后静置,倒出上清液,如此重复5次。减压旋蒸干燥得到固体粗产品,再加入适量的1/4的甲醇/二氯甲烷混合溶剂(100ml)溶解,加入100-200目的硅胶粉蒸干,干法上样,以1%氨水/10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、浓缩、蒸干得到产物1.4g。1H-NMR(600MHz,DMSO-d6)δ10.18-10.00(m,5H),9.97-9.73(m,16H),8.96-8.84(m,5H),8.82-8.66(m,16H),8.64-8.46(m,15H),8.37-7.61(m,172H),7.55-7.41(m,19H),7.39-6.94(m,173H),7.16-7.08(m,1H),6.77-6.62(m,12H),6.62-6.48(m,7H),6.44-6.40(m,1H),6.29(s,1H),6.18(s,1H),5.88-5.74(m,4H),5.35-5.13(m,32H),4.89-4.65(m,30H),4.65-4.44(m,23H),4.44-3.93(m,60H),3.91-3.26(m,2001H),3.20-3.08(m,28H),3.08-2.86(m,114H),2.86-2.66(m,29H),2.65-2.58(m,29H),2.43-2.25(m,29H),2.25-1.98(m,33H),1.92-1.78(m,17H),1.78-1.65(m, 21H),1.65-1.53(m,39H),1.53-1.38(m,58H),1.38-1.06(m,80H),0.94-0.66(m,120H)
15.7 81-225的制备
将81-218(1.4g,0.0328mmol)置于500ml的圆底烧瓶中,加入二氯甲烷(10ml)溶解,然后加入TFA(20ml),在室温下搅拌反应。反应结束后,减压旋蒸除去二氯甲烷和大部分TFA。加入甲基叔丁基醚(300ml)沉降,固体析出,以超声波处理后静置,倒出上清液,如此重复1次,减压蒸干得固体粗产品。再加入适量DMF,以超声波辅助溶解,滴加入少量DIEA调节pH至弱碱性。再加入甲基叔丁基醚(200ml)沉降,固体析出,以超声波处理后静置,倒出上清液,如此重复3次。减压蒸干、再烘干得产物1.3g。1H-NMR(600MHz,DMSO-d6)δ12.01(s,1H),10.18-9.73(m,21H),8.96-8.84(m,5H),8.82-8.66(m,16H),8.64-8.46(m,15H),8.37-7.61(m,172H),7.55-7.41(m,19H),7.39-6.94(m,173H),7.16-7.08(m,1H),6.77-6.62(m,12H),6.62-6.48(m,7H),6.44-6.40(m,1H),6.29(s,1H),6.18(s,1H),5.88-5.74(m,4H),5.35-5.13(m,32H),4.89-4.65(m,30H),4.65-4.44(m,23H),4.44-3.93(m,60H),3.91-3.26(m,2001H),3.20-2.86(m,142H),2.86-2.66(m,29H),2.65-2.58(m,29H),2.43-2.25(m,29H),2.25-1.98(m,33H),1.92-1.78(m,17H),1.78-1.53(m,60H),1.53-1.06(m,129H),0.94-0.66(m, 120H)
15.8 81-231的制备
将81-225(1.3g,0.0305mmol)、65-121(0.094g,0.0976mmol)、HBTU(0.037g,0.0976mmol)和HOBT(0.013g,0.0976mmol)置于100ml圆底烧瓶中,然后加入DMF(10ml)以超声波辅助溶解。将混合液置于0℃条件下搅拌2分钟,再缓慢滴加DIEA(0.1ml,0.605mmol),2分钟后取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(450ml)沉降,2-8℃下静置15h后倒出液体。再将固体用1/4的无水乙醇/二氯甲烷混合溶剂(50ml)溶解,加入甲基叔丁基醚(600ml),固体析出,抽滤,此操作重复3次。最后烘干滤饼得产物1.2g。1H-NMR(600MHz,DMSO-d6)δ10.18-10.00(m,5H),9.97-9.73(m,16H),8.96-8.84(m,6H),8.82-8.66(m,16H),8.64-8.46(m,15H),8.37-7.61(m,180H),7.55-7.41(m,22H),7.39-6.94(m,179H),6.77-6.62(m,12H),6.62-6.40(m,8H),6.29(s,1H),6.18(s,1H),5.89-5.74(m,5H),5.47-5.13(m,34H),4.92-4.65(m,33H),4.66-3.94(m,110H),3.91-3.26(m,2018H),3.20-3.08(m,28H),3.08-2.86(m,106H),2.86-2.58(m,58H),2.43-2.25(m,30H),2.25-1.65(m,83H),1.65--1.38(m,92H),1.38-1.02(m,77H),0.94-0.66(m,120H) 实施例16化合物84-102的合成



16.1 84-87的制备
将伊立替康(5g,8.52mmol)、丁二酸酐(1.7g,17.04mmol)和吡啶(15ml)置于250ml烧瓶溶解,再加入DMAP(1.04g,8.52mmol),在油浴45℃下搅拌反应24h,反应完成后,加入适量甲苯减压旋蒸,再加入适量二氯甲烷,用0.1N盐酸和饱和氯化钠溶液先后洗涤有机相,然后用无水硫酸镁干燥,浓缩,加入硅胶粉,蒸干,干法上样,以4%甲醇/二氯甲烷为洗脱剂进行柱层析,干燥得到产品2.5g。
16.2 84-97的制备
将84-87(2.5g,3.644mmol)、TSTU(1.2g,4.0084mmol)和DMF(10ml)于50ml烧瓶溶解,后加入三乙胺(1.2ml,9.15mmol),于室温下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,将得到的产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、浓缩、真空烘箱干燥得到产品2g。
16.3 84-43的制备
将74-100(1.5g,2.5096mmol)加入到氢化反应釜中,加入10%的Pd/C催化剂(0.08g),加入DMF(15ml),通入氢气,调节压力为300Psi,反应在室温下搅拌过夜。反应结束后,将反应液用带滤纸的布氏漏斗过滤,滤饼用DMF(15ml×3)清洗,滤液装入250ml的圆底烧瓶中,作为下一步原料。
16.4 84-45的制备
将84-43(0.45g,1.0938mmol)、70-68(1.75g,2.5159mmol)、HBTU(1.08g,2.8439mmol)、HOBT(0.4g,2.8439mmol)和DMF(2ml)于250ml烧瓶中搅拌溶解,再将反应烧瓶置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(1.5ml,8.7504mmol),滴加完毕后,在-5℃搅拌反应1小时后将反应瓶转移至室温下搅拌。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、浓缩、真 空烘箱干燥得到产品0.86g。
16.5 84-76的制备
将84-45(0.86g,0.4856mmol)、TFA(0.72ml,9.7116mmol)和二氯甲烷(0.5ml)于50ml烧瓶溶解,室温搅拌反应至结束。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(20ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,真空烘箱干燥得到产品0.8g。
16.6 84-29的制备
将3-异氨基-1,2,-丙二醇(8g,76.089mmol),溴化苄(15.6g,91.3068mmol),K2CO3(31.54g,228.267mmol)和乙腈(35ml)于500ml烧瓶在水浴30℃搅拌反应。反应结束后,先抽滤除反应液中白色固体,往滤液中加入二氯甲烷,再加入硅胶粉蒸干,干法上样,以0.5%氨水/1%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、浓缩、干燥得到产品9.2g。1H-NMR(600MHz,DMSO-d6)δ7.34-7.19(m,5H),4.55(s,1H),3.69(q,J=5.7Hz,1H),3.60(d,J=14.2Hz,1H),3.55-3.45(m,2H),3.43(dd,J=4.9,10.9Hz,1H),3.34(dd,J=5.9,10.9Hz,1H),2.44(dd,J=5.6,12.6Hz,1H),2.33(dd,J=6.7,12.6Hz,1H),2.14(s,3H);FT MS ESI m/z[M+H+]196.13
16.7 84-30的制备
在250ml烧瓶中将84-29(5g,25.6082mmol)溶解于DMSO(18ml),水浴30℃搅拌10min后加入5.0M的NaOH溶液(1ml),继续搅拌10min后加入丙烯酸叔丁酯(7.88g,61.4597mmol),反应至结束。将反应液转移到1L的分液漏斗中,加入饱和食盐水(200ml)和乙酸乙酯(200ml)进行萃取,得有机相,水相再用乙酸乙酯萃取(200ml x 3)。合并有机相用饱和食盐水(200ml x 2)清洗后蒸干,将得到的产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以10%乙酸乙酯/石油醚为洗脱剂进行柱层析,收集产品组分、浓缩、真空烘箱干燥得到产品4.4g。1H-NMR(600MHz,DMSO-d6)δ7.33-7.19(m,5H),3.74-3.66(m,2H),3.59-3.55(m,2H),3.54-3.51(m,1H),3.49-3.45(m,3H),3.38-3.34(m,1H),2.45-2.33(m,6H),2.13(s,3H),1.40-1.37(m,18H)
16.8 84-31的制备
将84-30(4.4g,9.7434mmol)加入到氢化反应釜中,加入10%的Pd/C催化剂(0.3g)和甲醇(30ml),通入氢气,调节压力为300Psi,反应在室温下搅拌过夜。反应结束后,将反应液用带滤纸的布氏漏斗过滤,用甲醇清洗(15ml×3),收集滤液、减压旋蒸、烘干得3g,作为下一步原料。1H-NMR(600MHz,DMSO-d6)δ3.71(dt,J=9.6,5.9Hz,1H),3.62(dt,J=9.6,6.3Hz,1H),3.59-3.54(m,2H),3.46-3.42(m,1H),3.41-3.36(m,1H),3.23(s,1H),2.53-2.47(m,2H),2.45(dd,J=12.2,6.6Hz,1H),2.42-2.36(m,4H),2.26(s,3H),1.40-1.33(m,18H);FT MS ESI m/z[M+H+]362.25
16.9 84-35的制备
在250ml烧瓶中,将丁二酸单苄酯(1.84g,8.8251mmol)搅拌溶解于DMF(10ml),再将反应烧瓶置于-5℃条件下,然后缓慢滴加DIEA(5.3ml,32.0912mmol),搅拌5min后加入HATU(3.66g,9.6274mmol),继续搅拌10min,再加入84-31(2.9g,8.0228mmol),并将反应烧瓶置于-5℃搅拌反应1小时,将其取出转移至室温下搅拌。反应结束后,将反应液转移到1L的分液漏斗中,加入饱和食盐水(200ml)和乙酸乙酯(200ml)进行萃取,得有机相,水相再用乙酸乙酯(200ml x 3)萃取。合并有机相,用饱和食盐水(200ml x 2)清洗,蒸干,将得到的产物用二氯甲烷和甲醇混合溶剂溶解,干法 上样,以20%乙酸乙酯/石油醚为洗脱剂进行柱层析,收集、浓缩、真空烘箱干燥得到产品3.06g。1H-NMR(600MHz,DMSO-d6)δ7.38-7.34(m,5H),5.08-5.06(m,2H),3.74-3.67(m,1H),3.61-3.49(m,4H),3.44-3.34(m,2H),3.33-3.14(m,2H),2.90(s,3H)2.66-2.51(m,4H),2.45-2.39(m,2H),2.37-2.31(m,2H),1.46-1.33(m,18H);FT MS ESI m/z[M+H+]552.31,[M+Na+]574.29
16.10 84-36的制备
在250ml烧瓶中装入84-35(3.06g,5.5468mmol)和二氯甲烷(10ml),加入TFA(16.5ml,221.872mmol)后搅拌溶解,然后将反应烧瓶置于室温下反应2小时。反应结束后,用减压旋蒸将反应液中的液体蒸干,将其用二氯甲烷(10ml)溶解,再用减压旋蒸蒸发;这个步骤重复多次,后用二氯甲烷溶解加入DIEA中和,减压旋蒸,最后放置烘箱中干燥。得到产品2.4g。
16.11 84-38的制备
将84-36(2.4g,3.0675mmol)、76-58(4g,6.7485mmol)、HBTU(3.5g,9.2025mmol),HOBT(1.2g,9.2025mmol)和DMF(25ml)于250ml烧瓶中溶解,然后置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(4ml,24.54mmol),滴加完毕后,并将反应烧瓶置于-5℃搅拌反应1小时,再转移至室温下搅拌。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,以正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,将得到的固体产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品组分、浓缩、真空烘箱干燥得到产品4.5g。1H-NMR(600MHz,DMSO-d6)δ8.07-7.81(m,7H),7.47-7.24(m,15H),7.23-7.13(m,1H),5.15-4.93(m,6H),4.27-4.14(m,4H),3.77-3.47(m,6H),3.47-3.24(m,5H),3.21-3.08(m, 4H),3.06-2.84(m,3H),2.84-2.62(m,3H),2.61-2.45(m,3H),2.44-2.25(m,8H),2.22-2.08(m,4H),1.87-1.78(m,2H),1.73-1.64(m,2H),1.63-1.52(m,2H),1.51-1.31(m,42H),1.31-1.14(m,4H).;FT MS ESI m/z[M+Na+]1610.84
16.12 84-64的制备
将84-38(1g,0.6293mmol)加入到氢化反应釜中,加入含量为10%的Pd/C催化剂(0.10g),加入甲醇(30ml)溶解,通入氢气,调节压力为300Psi,反应在室温下搅拌过夜。反应结束后,将反应液用带硅藻土的布氏漏斗过滤,滤饼用甲醇清洗(3ml×3),滤液装入500ml的圆底烧瓶中减压旋蒸,收集滤液,加入甲苯进行共沸除甲醇,烘干得产品0.68g。1H-NMR(600MHz,DMSO-d6)δ12.02(s,1H),8.07-7.81(m,6H),4.27-4.14(m,4H),3.77-3.47(m,6H),3.47-3.24(m,5H),3.21-3.08(m,8H),3.06-2.84(m,3H),2.84-2.62(m,3H),2.61-2.45(m,3H),2.44-2.25(m,8H),2.22-2.08(m,4H),1.87-1.78(m,2H),1.73-1.64(m,2H),1.63-1.52(m,2H),1.51-1.31(m,42H),1.31-1.14(m,4H).
16.13 84-73的制备
将84-64(0.17g,0.1408mmol)于250ml烧瓶中用DMF(15ml)溶解,置于-5℃反应10分钟,再缓慢滴加DIEA(2.2ml,13.216mmol),继续低温下搅拌30分钟后,加入M-SCM-10K(3g,0.2816mmol,购于键凯Lot Number:ZZ390P163),反应置于室温下避光低速搅拌一周。反应结束后,加入甲基叔丁基醚(200ml)和正己烷(70ml)沉降,固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40mlⅹ3),收集滤饼,将得到的固体产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以0-1%氨水/5-8%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品组分、浓缩、真空烘箱干燥得到产品2.8g。1H-NMR(600MHz,DMSO-d6)δ12.02(s,1H),8.07-7.81(m,6H),7.68-7.61(m,2H),4.27-4.14(m,4H),3.77-3.41(m,1867H),3.41-3.24(m,2H),3.21-3.08(m,8H),3.06-2.84(m,3H),2.84-2.62(m,3H),2.61-2.45(m,3H),2.44-2.25(m,8H),2.22-2.08(m,4H),1.87-1.78(m,2H),1.73-1.64(m,2H),1.63-1.52(m,2H),1.51-1.31(m,42H),1.31-1.14(m,4H)
16.14 84-79的制备
将84-73(2.8g,0.1259mmol)、84-76(0.15g,0.1474mmol)、HBTU(0.06g,0.1701mmol)、HOBT(0.02g,0.1701mmol)和DMF(7ml)于50ml烧瓶搅拌溶解,将反应烧瓶置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(8.8ml,68.426mmol),滴加完毕后,继续在-5℃下搅拌反应1小时,将其取出转移至室温下搅拌。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次。抽滤得到固体产物,将得到的固体产物用二 氯甲烷和甲醇混合溶剂溶解,干法上样,以1%氨水/7%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、真空烘箱干燥得到产品1.7g。1H-NMR(600MHz,DMSO-d6)δ9.31-9.22(m,2H),8.64-8.49(m,2H),8.42-8.31(m,2H),8.25-8.14(m,2H),8.11-7.81(m,20H),7.68-7.61(m,2H),7.55-7.44(m,4H),7.44-7.21(m,12H),4.63-4.50(m,2H),4.41-4.14(m,6H),3.99-3.79(m,5H),3.77-3.41(m,1867H),3.41-3.24(m,2H),3.21-3.08(m,8H),3.06-2.84(m,22H),2.84-2.62(m,9H),2.61-2.45(m,5H),2.44-2.25(m,10H),2.22-2.08(m,6H),1.98-1.84(m,2H),1.87-1.78(m,2H),1.73 -1.31(m,54H),1.31-1.14(m,10H),0.89-0.74(m,12H)
16.15 84-89的制备
将84-79(1.7g,0.0742mmol)、TFA(0.6ml,8.336mmol)和二氯甲烷(1ml)于50ml烧瓶搅拌溶解,室温反应至结束。用旋转蒸发仪将反应液蒸至粘油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40ml x 3),收集滤饼、真空烘箱干燥得到产品1.09g。1H-NMR(600MHz,DMSO-d6)δ12.11-12.01(m,4H),9.31-9.22(m,2H),8.64-8.49(m,2H),8.42-8.31(m,2H),8.25-8.14(m,2H),8.11-7.81(m,20H),7.68-7.61(m,2H),7.55-7.44(m,4H),7.44-7.21(m,12H),4.63-4.50(m,2H),4.41-4.14(m,6H),3.99-3.79(m,5H),3.77-3.41(m,1867H),3.41-3.24(m,2H),3.21-3.08(m,8H),3.06-2.62(m,31H),2.61-2.45(m,5H),2.44-2.25(m,10H),2.22-2.08(m,6H),1.98-1.84(m,2H),1.87-1.78(m,2H),1.73 -1.31(m,18H),1.31-1.14(m,10H),0.89-0.74(m,12H).
16.16 84-93的制备
将84-89(1.09g,0.0461mmol)、76-93(0.4g,0.2766mmol)、HBTU(0.1g,0.2766mmol)、HOBT(0.04g,0.2766mmol)和DMF(10ml)在100ml烧瓶中在室温条件下搅拌约20分钟,然后缓慢滴加DIEA(0.3ml,1.8144mmol),滴加完毕后继续于室温条件下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以1%氨水/9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品组分、浓缩、真空烘箱干燥得产品0.94g。1H-NMR(600MHz,DMSO-d6)δ9.31-9.22(m,2H),8.64-8.49(m,2H),8.42-8.31(m,2H),8.25-8.14(m,26H),8.11-7.81(m,20H),7.68-7.61(m,14H),7.55-7.44(m,16H),7.44-7.21(m,12H),4.63-4.50(m,2H),4.41-4.14(m,18H),3.99-3.79(m,5H),3.77-3.41(m,1975H),3.41-3.24(m,66H),3.21-3.08(m,28H),3.06-2.61(m,31H),2.61-2.45(m,5H),2.44-2.08(m,48H),1.98-1.78(m,28H),1.74 -1.14(m,196H),0.89-0.74(m,12H).
16.17 84-95的制备
将84-93(0.94g,0.032mmol)、TFA(2ml,28.064mmol)和二氯甲烷(2ml)在50ml烧瓶中搅拌溶解,室温反应至结束。用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40ml x 3),收集滤饼,真空烘箱干燥,得到产品0.8g。1H-NMR(600MHz,DMSO-d6)δ9.31-9.22(m,2H),8.64-8.49(m,2H),8.42-8.31(m,2H),8.25-8.14(m,26H),8.11-7.81(m,20H),7.68-7.61(m,14H),7.44-7.21(m,12H),4.63-4.50(m,2H),4.41-4.14(m,18H),3.99-3.79(m,5H),3.77-3.41(m,1975H),3.41-3.24(m,98H),3.24-3.06(m,48H),3.06-2.61(m,31H),2.61-2.45(m,5H),2.44-2.08(m,48H),1.98-1.78(m,28H),1.74 -1.14(m,52H),0.89-0.74(m,12H)
16.18 84-102的制备
将84-95(0.8g,0.0288mmol)用DMF(10ml)溶解于100ml烧瓶中,在室温条件下搅拌约2分钟,然后缓慢滴加DIEA(0.6ml,3.4029mmol),滴加完毕后,再加入84-97(1.17g,1.7014mmol),在室温条件下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次。抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以1%氨水/10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、真空烘箱干得产品0.95g。1H-NMR(600MHz,DMSO-d6)δ9.31-9.22(m,2H),8.64-8.49(m,2H),8.42-8.31(m,2H),8.25-8.11(m,42H),8.11-7.81(m,36H),7.72-7.61(m,30H),7.44-7.21(m,28H),6.56-6.47(m,16H),5.50-5.38(m,16H),5.36-5.27(m,32H),4.63-4.50(m,2H),4.41-3.99(m,50H),3.99-3.79(m,5H),3.77-3.41(m,1975H),3.41-3.24(m,114H),3.24-2.61(m,115H),2.61-2.45(m,53H),2.44-2.08(m,112H),1.98-1.14(m,336H),0.98-0.74(m,60H)
实施例17化合物88-228的合成



17.1 88-88的制备
将三(2-氨基乙基)胺(4.0g,27.35mmol)加入到500ml圆底烧瓶中,再加入二氯甲烷(40ml),以超声波辅助溶解,再加入无水硫酸钠(12.82g,90.25mmol)和苯甲醛(8.99g,84.79mmol),在室温下搅拌反应18h,减压浓缩滤液,在氮气保护下,加入甲醇(35ml),冷却、控制温度在0℃,少量多次加入硼氢化钠(4.14g,109.4mmol),反应1h后,加入纯水(200ml),再加入乙酸乙酯(300ml)萃取,分离的有机相用1N HCl清洗(20ml×2)。收集有机相,用无水硫酸镁除水,加入200-300目的硅胶粉蒸干,干法上样,以3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物4.7g,产率41%。1H-NMR(600MHz,DMSO-d6)δ7.39-7.18(m,15H),3.78(m,6H),2.71(m,6H),2.62(m,6H),1.89(m,3H);ESI[M+H+]417.29
17.2 88-91的制备
将88-88(2.2g,5.28mmol)和丙烯酸叔丁酯(3.8g,26.4mmol)加入到100ml圆底烧瓶中,再加入甲醇(15ml),以超声波辅助溶解,在室温下搅拌反应。反应完成后加入200-300目的硅胶粉蒸干,干法上样,以50%乙酸乙酯/石油醚为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物3.1g,产率73.3%。1H-NMR(600MHz,DMSO-d6)δ7.38-7.14(m,15H),3.53(s,6H),2.74(m,6H),2.43(m,12H),2.36(m,6H),1.46(m,27H);ESI[M+H+]801.55
17.3 88-92的制备
将原料88-91(3.1g,3.87mmol)和10%的Pd/C催化剂(0.11g)加入到氢化反应釜中,再加入甲醇(15ml)使其溶解。封闭氢化反应装置,以水泵抽真空,再充入约2MPa的氢气,如此重复3此,最后调节氢气压力至2MPa,然后在室温下搅拌反应24h。反应完成后,用含滤纸的布氏漏斗抽滤,用DMF(5ml×3)清洗反应装置,收集滤液,浓缩滤液得产物1.5g。
17.4 88-101的制备
将88-92(1.5g,2.83mmol)、丁二酸单苄酯(1.94g,9.33mmol)、HBTU(3.54g,9.33mmol)和HOBT(1.26g,9.33mmol)加入到100ml圆底烧瓶中,再加入DMF(15ml),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(3.1ml,18.66mmol),取出,在室温下搅拌反应。反应完成后用饱和氯化钠溶液(100ml)和乙酸乙酯(100ml)萃取,分离有机相,水相用乙酸乙酯萃取两次(100ml×2)。合并有机相,浓缩,加入200-300目的硅胶粉蒸干,干法上样,以35%乙酸乙酯/石油醚为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物2.8g。FT MS ESI m/z[M+H+]1101.59961,[M+Na+]1123.57092
17.5 88-148的制备
将88-101(1.2g,1.08mmol)置于500ml的圆底烧瓶中,加入TFA(15ml),在室温下搅拌反应。反应完成后加入适量二氯甲烷,减压旋蒸除去二氯甲烷和TFA,再加入二氯甲烷,减压旋蒸,如此重复多次,直至产物变为粘稠油状。再加入适量二氯甲烷,溶解,加入DIEA调节pH至碱性,减压浓缩,蒸干得产物0.9g。FT MS ESI m/z[M+H+]933.40784,[M+Na+]955.38971
17.6 88-93的制备
将Fmoc-Glu(OtBu)-OH(6.0g,14.1mmol)、丙氨酸叔丁酯(2.82g,15.51mmol)、HBTU(5.88g,15.51mmol)和HOBT(2.09g,15.51mmol)加入到100ml圆底烧瓶中,再加入DMF(30ml),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(4.7ml,28.2mmol),取出,在室温下搅拌反应。反应完成后用纯水(100ml)和乙酸乙酯(100ml)萃取,分离有机相,水相用乙酸乙酯萃取两次(100ml×2)。合并有机相用饱和氯化钠溶液清洗(50ml×2),浓缩,加入200-300目的硅胶粉蒸干,干法上样,以35%乙酸乙酯/石油醚为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物7.79g。
17.7 88-94的制备
将88-93(7.79g,314.1mmol)置于500ml的圆底烧瓶中,加入DMF(100ml),以超声波辅助溶解后加入吗啉(18.4ml,211.5mmol),放于室温下搅拌反应2h。反应结束后,加入饱和NaCl溶液(200ml)和用乙酸乙酯(200ml)进行萃取,静置分层后收集有机相;水相再用乙酸乙酯萃取(200ml×3)。合并有机相,蒸干得固体产物4.05g。
17.8 88-95的制备
将88-14(2.73g,7.72mmol)、88-94(2.8g,8.49mmol)、HBTU(3.22g,8.49mmol)和HOBT(1.15g,8.49mmol)加入到100ml圆底烧瓶中,再加入DMF(30ml),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(2.6ml,15.44mmol),取出,在室温下搅拌反应。反应结束后,加入饱和NaCl溶液(200ml),用乙酸乙酯(200ml)萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干得固体产物5.14g。
17.9 88-96的制备
在装有88-95(5.14g,7.72mmol)的烧瓶中加入DMF,以超声波辅助溶解后加入吗啉(2.7ml,30mmol),放于室温下搅拌反应2h。反应结束后,加入饱和NaCl溶液(200ml),用乙酸乙酯(200ml)萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干得固体产物3.2g。
17.10 88-99的制备
将88-96(3.2g,7.21mmol)、N'-芴甲氧羰基-N-苄氧羰基-L-赖氨酸(3.31g,6.55mmol)、HBTU(2.74g,7.21mmol)和HOBT(0.97g,7.21mmol)加入到100ml圆底烧瓶中,再加入DMF(30ml),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(1.2ml,13.16mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,溶解滤饼,加入200-300目的硅胶粉蒸干.干法上样,以9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物4.65g,产率76.5%。
17.11 88-100的制备
在装有88-99(4.65g,5.01mmol)的烧瓶中加入DMF(100ml),以超声波辅助溶解后加入吗啉(8.7ml,100mmol),放于室温下搅拌反应2h。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,溶解滤饼,加入200-300目的硅胶粉蒸干,干法上样,以9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物2.62g。ESI[M+H+]706.43
17.12 88-149的制备
将88-148(0.9g,0.96mmol)、88-100(2.24g,3.18mmol)、HBTU(1.21g,3.18mmol)和HOBT(0.40g,3.18mmol)加入到100ml圆底烧瓶中,再加入DMF(15ml),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(1.9ml,11.57mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,以甲醇/二氯甲烷混合溶剂溶解滤饼,加入200-300目的硅胶粉蒸干,干法上样,以9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品,浓缩、蒸干得到产物1.1g。1H-NMR(600MHz,DMSO-d6)δ8.13-8.03(m,2H),7.97-7.86(m,10H),7.35-7.27(m,30H),7.23-7.17(m,3H),5.06-5.03(m,6H),5.01-4.96(m,6H),4.24-4.13(m,6H),3.59-3.38(m,9H),3.31-3.12(m,14H),3.08-2.88(m,13H),2.66-2.53(m,16H),2.40-2.28(m,10H),2.20-2.13(m,6H),2.12-2.04(m,6H),1.85-1.77(m,3H),1.69-1.62(m,3H),1.59-1.52(m,3H),1.49-1.42(m,9H),1.39-1.36(m,54H),1.26-1.16(m,18H);ESI[M+H+]2995.72
17.13 88-165的制备
将88-149(1.1g,0.36mmol)置于500ml的圆底烧瓶中,加入TFA(2.5ml,33.04mmol),在室温下搅拌反应。反应完成后加入适量二氯甲烷,减压旋蒸除去二氯甲烷和TFA,再加入二氯甲烷,减压旋蒸,如此重复多次,直至产物变为粘稠油状。再加入适量二氯甲烷,溶解,加入DIEA调节pH至碱性,减压浓缩,蒸干得产物0.97g。1H-NMR(600MHz,DMSO-d6)δ13.01-11.52(m,5H),8.15-8.09(m,2H),8.03-7.82(m,10H),7.39-7.27(m,30H),7.25-7.18(m,3H),5.08-4.96(m,12H),4.24-4.17(m,6H),3.33-3.24(m,9H),3.24-3.15(m,5H),3.06-3.01(m,3H),2.98-2.90(m,9H),2.71-2.63(m,6H),2.59-2.53(m,6H),2.40-2.34(m,8H),2.21-2.16(m,6H),2.13-2.06(m,6H),1.88-1.80(m,3H),1.72-1.64(m,3H),1.61-1.53(m,3H),1.52-1.40(m,12H),1.40-1.32(m,12H),1.25-1.17(m,12H)
17.14 88-168的制备
将88-165(0.23g,0.089mmol)、76-93(2.62g,6.72mmol)、HBTU(0.24g,0.62mmol)和HOBT(0.09g,0.62mmol)加入到100ml圆底烧瓶中,再加入DMF(15ml)以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(0.4ml,2.14mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,溶解滤饼,加入200-300目的硅胶粉蒸干,干法上样,以9%甲醇/91%二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物0.87g。1H-NMR(600MHz,DMSO-d6)δ8.34-7.74(m,67H),7.39-7.26(m,30H),7.23-7.12(m,3H),5.10-4.93(m,12H),4.25-4.05(m,25H),3.54-3.45(m,107H),3.22-3.13(m,46H),3.10-2.99(m,65H),2.19-2.04(m,67H),1.36(s,216H)
17.15 88-215的制备
将88-214(0.7g,0.42mmol)加入氢化装置中,加甲醇(20ml),以超声辅助溶解,加入10%的钯碳催化剂(25mg),用氢气置换斧内空气3次,保持斧内氢气压1.6MPa,磁力搅拌反应过夜。点TLC板,反应完成后用硅藻土过滤,取滤液备用。
17.16 88-220的制备
将88-215(0.6g,0.057mmol)置于500ml圆底烧瓶中然后加入超干DMF(15ml),以超声波辅助溶解,置于0℃条件下搅拌5分钟,先滴加入DIEA(0.48ml,2.28mmol),再加入Y-SCM-10K(1.94g,0.188mmol,购于键凯),充入氮气置换空气,在35℃下避光低速搅拌反应,反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤。溶解滤饼,加入200-300目的硅胶粉蒸干,干法上样,以1%氨水/7-10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物2.0g。
17.17 88-222的制备
将88-220(2.0g,0.073mmol)、TSTU(0.12g,0.16mmol)和DMF(10ml)于50ml烧瓶溶解,后加入三乙胺(0.12ml,0.95mmol),于室温下搅拌反应。待反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,将得到的产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、真空烘箱干燥得到产品。
17.18 88-226的制备
将88-222(2.0g,0.073mmol)和74-185(0.15g,0.7mmol)加入到250ml圆底烧瓶中,再加入DMF(15ml),以超声波辅助溶解。置于0℃条件下搅拌10分钟,再滴加入DIEA(0.8ml,4.47mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,以甲醇/二氯甲烷混合溶剂溶解滤饼,加入200-300目的硅胶粉蒸干.干法上样,以9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到产物。
17.19 88-227的制备
将88-226(2.1g,0.0492mmol)置于500ml的圆底烧瓶中,加入TFA(15ml),在室温下搅拌反应。反应完成后加入适量二氯甲烷,减压旋蒸除去二氯甲烷和TFA,再加入二氯甲烷,减压旋蒸,如此重复多次,直至产物变为粘稠油状。再加入适量二氯甲烷溶解,加入DIEA调节pH至碱性,减压浓缩、蒸干得产物。
17.20 88-228的制备
将88-227(1.98g,0.0491mmol)和77-163(1.85g,1.768mmol)加入到250ml圆底烧瓶中,再加入DMF(30ml),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(0.87ml,5.292mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,溶解滤饼,加入200-300目的硅胶粉蒸干,干法上样,以9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、蒸干得到最终产物1.3g,产率42.21%。1H-NMR(600MHz,DMSO-d6)δ9.38-9.16(m,24H),8.43-7.80(m,188H),7.78-7.30(m,255H),7.21-7.16(m,24H),6.38-6.22(m,24H),5.93-5.74(m,24H),5.63-5.27(m,72H),5.08-4.78(m,48H),4.73-4.58(m,24H),4.28-3.93(m,103H),3.71-3.45(m,2168H),3.25-3.10(m,127H),3.04-2.92(m,38H),2.84-2.76(m,43H),2.67-2.56(m,54H),2.44-2.30(m,76H),2.28-2.01(m,218H),1.86-1.74(m,106H),1.70-1.60(m,43H),1.57-1.41(m,115H),1.38-1.30(m,20H),1.13-0.81(m,179H)
实施例18化合物76-179的合成

18.1 82-50的制备
将(R)-3-氨基-1,2-丙二醇(1.0g,10.98mmol)置于250ml烧瓶中,加入DMSO(4ml),充入N2冷却至15℃,在搅拌时加入5M氢氧化钠水溶液(0.4ml),滴加丙烯酸叔丁酯(4.78ml,32.93mmol)。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相, 水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶液溶解,加入硅胶粉(100ml),蒸干成粉末状固体,干法上样,以0.2%氨水/2-4%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、真空烘箱干燥得到产品3.85g。1H-NMR(600MHz,DMSO-d6)δ3.74-3.66(m,1H),3.64-3.54(m,3H),3.44-3.37(m,3H),2.71-2.65(m,2H),2.57-2.52(m,1H),2.49-2.45(m,1H),2.43-2.35(m,4H),2.32-2.26(m,2H),1.45-1.37(m,27H)
18.2 76-149的制备
称取82-50(0.50g,1.05mmol)加入适量DMF使其溶解,置于0℃下,缓慢滴加DIEA(0.52ml,2.15mmol),滴毕,搅拌半小时后,缓慢滴加溴乙酸苄酯(0.24ml,1.05mmol),滴毕在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)萃取,静置分层后收集有机相,水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉(100ml),蒸干成粉末状固体,干法上样,以20%乙酸乙酯/石油醚混合溶剂为洗脱剂进行柱层析,收集产品、浓缩、真空烘箱干燥得到产品0.53g,产率81%。1H-NMR(600MHz,DMSO-d6)δ7.39-7.31(m,5H),5.11-5.08(m,2H),3.68-3.65(m,1H),3.61-3.53(m,4H),3.48-3.47(m,2H),2.85-2.81(m,2H),2.63-2.60(m,3H),2.41-2.37(m,1H),2.35-2.33(m,2H),2.31-2.28(m,2H),1.39-1.37(m,27H);ESI[M+H+]624.37,[M+Na+]646.35
18.3 76-155的制备
将76-149(0.53g,0.85mmol)和10%的Pd/C催化剂(0.1g)投入到氢化反应釜中,然后加入DMF(10ml)使其溶解,封闭氢化反应装置,以水泵抽真空,再充入氢气,如此重塑3次,调节氢化反应装置上的压力读数为1.8MPa,然后在常温下过夜反应。反应结束,反应液用硅藻土过滤,滤饼用DMF(5mlⅹ3)清洗,得到产品的DMF溶液,作为下一部反应原料。
18.4 76-156的制备
称取70-68(0.58g,0.83mmol)、HBTU(0.39g,1.02mmol)和HOBT(0.14g,1.02mmol)加入装有76-155(0.85mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.51ml,3.06mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集产品,干燥得到产品0.9g,产率89.2%。1H-NMR(600MHz,DMSO-d6)δ9.30(s,1H),8.57(s,1H),8.23-7.98(m,6H),7.93-7.77(m,3H),7.61-7.47(m,2H),7.31-7.11(m,6H),4.62-4.30(m,3H),4.10-3.81(m,3H),3.76-3.50(m,6H),3.47-3.36(m,3H),3.14-3.02(m,3H),2.81-2.60(m,5H),2.41-2.28(m,7H),2.05-1.93(m,1H),1.86-1.75(m,2H),1.66-1.47(m,4H),1.41-1.35(m,27H),1.28-1.20(m,2H),0.87(s,6H)
18.5 76-170的制备
在装有76-156(0.90g,0.74mmol)的烧瓶中加入二氯甲烷(5ml),以超声辅助溶解后加入TFA(2ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40ml x 3),产物溶解性差,收集滤饼,真空烘箱干燥,得到产品0.89g。
18.6 76-168的制备
称取Fmoc-Lys(Boc)-OH(0.12g,0.26mmol)、HBTU(0.22g,0.60mmol)和HOBT(0.08g,0.60mmol)加入装有81-203(0.26mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.08ml,0.50mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品。
18.7 76-169的制备
在装有76-168(0.26mmol)的烧瓶中加入DMF(10ml),超声振荡至完全溶解后加入吗啉(0.3ml),放于室温下搅拌反应过夜。反应结束,加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40ml x 3),产物溶解性差,收集滤饼,真空烘箱干燥,得到产品。FT MS ESI m/z[M+H+]5523.364
18.8 76-171的制备
称取76-170(0.044g,0.0422mmol)、HBTU(0.06g,0.15mmol)和HOBT(0.02g,0.15mmol)加入装有76-169(0.77g,0.14mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.08ml,0.46mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物。粗产物用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉(30ml),蒸干成粉末状固体,干法上样,以1%氨水/6-12%甲醇/二氯甲烷混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品。
18.9 76-177的制备
在装有76-171(0.0422mmol)的烧瓶中加入二氯己烷(20ml),超声振荡后加入三氟乙酸(20ml),放于室温下搅拌反应2h。反应结束后,减压旋蒸后掉大部分三氟乙酸后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降。抽滤得到的固体用20%甲醇/二氯甲烷混和溶剂溶解后,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,真空烘箱干燥得到产品0.86g。
18.10 76-179的制备
将76-177(0.0422mmol)投入到250ml的烧瓶中,用DMF(20ml)使之溶解,再缓慢滴加入装有DIEA(0.63ml,3.80mmol)和M-SCM-10K(1.42g,0.13mmol,购于键凯)的DMF溶液中,将反应置于室温下避光低速搅拌反应一周。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物。粗产物用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉(30ml),蒸干成粉末状固体,干法上样,以1%氨水/6-12%甲醇/二氯甲烷混合溶剂为洗脱剂进行柱层析,收集目标产物,浓缩、真空烘箱干燥得到产品1.61g。1H-NMR(600MHz,DMSO-d6)δ10.25-9.94(m,12H),9.00-8.88(m,3H),8.85-8.50(m,24H),8.30-8.10(m,44H),8.10-8.03(m,26H),8.03-7.92(m,42H),7.90-7.84(m,11H),7.83-7.75(m,15H),7.74-7.63(m,16H),7.51-7.42(m,16H),7.37-7.25(m,40H),7.25-7.13(m,88H),7.13-7.03(m,29H),7.02-6.98(m,4H),6.73-6.50(m,16H),5.31-5.20(m,24H),4.90-4.65(m,24H),4.63-4.48(m,19H),4.45-4.30(m,21H),4.29-4.07(m,48H),4.06-3.95(m,15H),3.90-3.79(m,34H),3.79-3.73(m,33H),3.55-3.44(m,2863H),3.08-2.98(m,80H),2.83-2.71(m,36H),2.63-2.60(m,19H),2.32-2.26(m,15H),2.17-1.98(m,35H),1.65-1.53(m,37H),1.53-1.41(m,50H),1.28-1.11(m,32H),0.89-0.77(m,96H)
实施例19化合物87-47的合成


19.1 76-269的制备
称取Fmoc-Glu-OH(4.46g,12.10mmol)、HBTU(10.99g,29.04mmol)和HOBT(3.92g,29.04mmol)加入装有70-193(4.80g,25.37mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(14.40ml,87.12mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后, 加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯萃取(200ml×3)。合并有机相,蒸干至固体,收集、真空烘箱干燥得到产品6.9g。
19.2 76-270的制备
在装有76-269(2.0g)的烧瓶中加入DMF(20ml),超声振荡至完全溶解后加入吗啉(2ml),放于室温下搅拌反应2h。反应结束后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,真空烘箱干燥得到产品。
19.3 76-273的制备
称取Fmoc-Glu-OH(0.49g,1.34mmol)、HBTU(1.22g,3.22mmol)和HOBT(0.44g,3.22mmol)加入装有76-270(2.81mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(1.60ml,9.65mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)萃取,静置分层后收集有机相,水相再用乙酸乙酯萃取(200ml×3)。合并有机相蒸干至固体,收集、真空烘箱干燥得到产品1.07g。
19.4 87-8的制备
在装有76-273(1.07g)的烧瓶中加入DMF(10ml),超声振荡至完全溶解后加入吗啉(2ml),放于室温下搅拌反应2h。反应结束后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,真空烘箱干燥得到产品。
19.5 87-33的制备
称取87-8(0.82mmol)、HBTU(0.38g,0.98mmol)和HOBT(0.14g,0.98mmol)加入装有76-191(0.82mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.50ml,2.95mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯萃取(200ml×3)。合并有机相,蒸干至固体,收集、真空烘箱干燥得到产品1.0g。ESI[M+H+]1272.62,[M+Na+]1294.61
19.6 72-197的制备
将81-10(5.2g,13.55mmol)、N'-芴甲氧羰基-N-苄氧羰基-L-赖氨酸(6.19g,12.32mmol)、HBTU (7.0g,18.48mmol)和HOBT(2.49g,18.48mmol)加入到500ml圆底烧瓶中,再加入DMF(30ml),超声,溶解。置于0℃条件下搅拌3分钟,再滴加入DIEA(9.16ml,55.43mmol),取出,在室温下搅拌反应。反应结束后,将反应液倒入1L分液漏斗中,在分液漏斗中加入纯水(200ml)和乙酸乙酯(200ml)萃取,分离有机相,水相用乙酸乙酯萃取两次(100ml×2)。合并有机相用饱和碳酸氢钠溶液(200ml)清洗两次,再用无水硫酸镁干燥,浓缩,蒸干得产物12.0g。
19.7 72-216的制备
将72-197(4.84mmol)置于500mL的圆底烧瓶中,加入DMF(10ml)溶解,再加入Morpholine(15ml),在室温下搅拌反应2小时。反应结束后,将反应液倒入1L分液漏斗中,再加入纯水(200ml)和乙酸乙酯(100ml)萃取,分离有机相,水相用乙酸乙酯(100ml)萃取两次,收集合并有机相,浓缩,真空烘箱干燥得产物3.12g。
19.8 76-185的制备
将76-55(11.75mmol)、88-14(4.98g,14.1mmol)、HBTU(5.35g,14.1mmol)和HOBT(1.91g,14.1mmol)加入到250ml圆底烧瓶中,再加入DMF(20ml),以超声波辅助溶解。置于0℃条件下搅拌2分钟,再滴加入DIEA(6.99ml,42.3mmol),取出,在室温下搅拌反应。反应结束后,将反应液倒入1L分液漏斗中,在分液漏斗中加入纯水(200ml)和乙酸乙酯(200ml)萃取,分离有机相,水相用乙酸乙酯萃取两次(100ml×2)。合并有机相,用饱和碳酸氢钠溶液(200ml)清洗两次,收集有机相用无水硫酸镁干燥,浓缩,蒸干得产物。
19.9 76-186的制备
将76-185(11.75mmol)置于500ml的圆底烧瓶中,加入乙腈(20ml),以超声波辅助溶解,再加入二乙胺(20ml)在室温下搅拌反应。反应完成后,减压旋蒸除去乙腈和二乙胺,再加入适量二氯甲烷溶解,加入200-300目的硅胶粉蒸干.干法上样,以1%氨水/2%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品,浓缩、蒸干得到产物3.7g。ESI[M+H+]444.31
19.10 76-199的制备
将81-65(2.0g,3.59mmol)置于500ml的圆底烧瓶中,加入二氯甲烷(5ml)溶解,再加入TFA(5ml),在室温下搅拌反应。反应完成后减压旋蒸除去TFA和二氯甲烷,再加入甲基叔丁基醚(50ml),以超声波处理,静置,减压旋蒸除去甲基叔丁基醚,再加入适量二氯甲烷,以超声波辅助溶解,再加入适量DIEA,调节pH至碱性,减压旋蒸,烘干得产物。
19.11 76-200的制备
将76-199(3.59mmol)、76-186(1.62g,3.66mmol)、HBTU(1.63g,4.31mmol)和HOBT(0.58g,4.31mmol)加入到100ml圆底烧瓶中,再加入DMF(15ml),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(2.14ml,12.92mmol),取出,在室温下搅拌反应。反应结束后,将反应液倒入1L分液漏斗中,在分液漏斗中加入纯水(100ml)和乙酸乙酯(100ml)萃取,分离有机相,水相用乙酸乙酯萃取两次(100ml×2)。合并有机相用饱和碳酸氢钠溶液(200ml)清洗两次,再用无水硫酸镁干燥,浓缩,加入200-300目的硅胶粉蒸干,干法上样,以40-70%乙酸乙酯/石油醚为洗 脱剂进行柱层析,收集产品,浓缩、蒸干得到产物2.92g。1H-NMR(600MHz,DMSO-d6)δ8.00-7.86(m,3H),7.39-7.32(m,10H),5.18-5.10(m,4H),4.29-4.17(m,5H),3.68-3.46(m,5H),3.31-3.23(m,2H),3.04-2.95(m,4H),2.92-2.86(m,2H),2.75-2.66(m,4H),2.37-2.26(m,4H),2.20-2.08(m,4H),1.39(s,9H),1.38(s,9H),1.28-1.20(m,4H)
19.12 76-201的制备
将原料76-200(2.04g,2.20mmol)和10%的Pd/C催化剂(200mg)加入到氢化反应釜中,再加入甲醇(20ml)使其溶解。封闭氢化反应装置,以水泵抽真空,再充入氢气,如此重复三次,最后调节氢气压力至2MPa,在室温下搅拌反应。反应完成后,用含滤纸的布氏漏斗抽滤,用甲醇(5ml×3)清洗反应装置,收集滤液,浓缩蒸干得产物。
19.13 76-203的制备
将76-201(2.20mmol)、72-216(4.84mmol)、HBTU(2.00g,5.28mmol)和HOBT(0.71g,5.28mmol)加入到250ml圆底烧瓶中,再加入DMF(10ml),以超声波辅助溶解。置于0℃条件下搅拌2分钟,再滴加入DIEA(2.62ml,15.84mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,加入200-300目的硅胶粉蒸干.干法上样,以3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品,浓缩,蒸干得到产物10.76g。1H-NMR(600MHz,DMSO-d6)δ8.41-8.31(m,3H),7.97-7.88(m,5H),7.39-7.25(m,30H),7.24-7.17(m,3H),5.09-5.03(m,8H),5.00-4.96(m,4H),4.61-4.54(m,3H),4.31-4.14(m,6H),4.09-3.88(m,8H),3.01-2.89(m, 10H),2.85-2.72(m,6H),2.64-2.58(m,5H),2.41-2.26(m,7H),2.17-2.14(m,2H),2.13-2.05(m,3H),1.70-1.59(m,5H),1.58-1.48(m,4H),1.38(s,9H),1.37(s,9H),1.25-1.16(m,8H);ESI[M+H+]2004.97,[M+Na+]2026.95
19.14 76-231的制备
将原料76-203(10.48g,3.26mmol)和10%的Pd/C钯碳催化剂(250mg)加入到氢化反应釜中,再加入DMF(30ml)使其溶解。封闭氢化反应装置,以水泵抽真空,再充入氢气,如此重复三次,最后调节氢气压力至2MPa,然后在室温下搅拌反应。反应完成后,用含滤纸的布氏漏斗抽滤,用DMF(ml×3)清洗反应装置,收集滤液,加入甲基叔丁基醚(200ml),固体析出,抽滤,烘干滤饼得产物1.0g。
19.15 76-232的制备
将76-231(0.33g,0.24mmol)置于500ml圆底烧瓶中,加入超干DMF(10ml),以超声波辅助溶解,置于0℃条件下搅拌5分钟,先滴加入DIEA(0.80ml,4.81mmol),再加入Y-NHS-10K(5.0g,0.49mmol,购于键凯,批次:ZZ403P095),充入氮气置换空气,在35℃下避光低速搅拌反应。反 应完成后加入甲基叔丁基醚(200ml),固体析出,抽滤,烘干滤饼得产物5.0g。
19.16 76-239的制备
称取76-232(3.0g,0.14mmol)、HBTU(0.26g,0.69mmol)和HOBT(0.1g,0.69mmol)加入装有炔丙胺(0.04g,0.64mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.35ml,2.08mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品。
19.17 76-245的制备
在装有76-239(0.1444mmol)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(25mL),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60mL),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40mL x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品。
19.18 76-253的制备
在装有76-245(0.1444mmol)的烧瓶中加入DMF,以超声波辅助溶解后加入TSTU(0.1g,0.32mmol),于室温下滴加DIEA(0.24ml,1.44mmol)搅拌反应过夜。反应结束,加入甲基叔丁基醚(60mL),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40mL x 3)清洗,收集滤饼,真空烘箱干燥得到产品。
19.19 87-26的制备
将76-253(0.1444mmol)和74-185(0.18g,0.3149mmol)加入到100mL圆底烧瓶中,再加入DMF(10mL),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(0.5mL,3.0251mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,收集滤饼。将滤饼用适量DMF溶解,再少量多次加入甲基叔丁基醚,直至有固体析出,抽滤,烘干滤饼得产物3.26g
19.20 87-43的制备
称取87-26(1.0g,0.044mmol),87-33(0.35g,0.27mmol)置于250mL反应瓶中,用适量超干DMF溶解,用氮气充入反应瓶,然后称取无水CuSO4(0.06g,0.35mmol)和抗坏血酸钠(0.14g,0.70mmol)加入反应瓶中,在氮气保护下室温搅拌反应过夜。反应完成后,加入正己烷(25mL)和甲基叔丁基醚(200mL)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,重复3次,抽滤得到固体产物,收集、浓缩、干燥,得到固体产品0.8g。
19.21 87-46的制备
将装有87-43(0.80g,0.022mmol)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(5mL),放于室温下搅拌反应过夜。反应结束后,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60mL),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40mL x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥,得到产品。
19.22 87-47的制备
将87-46(0.022mmol)、盐酸阿霉素(0.26g,0.44mmol)和甲醇(10ml)加入到100mL圆底烧瓶中,再加入TFA(0.3ml),以超声波辅助溶解,在室温下避光搅拌反应。反应完成后减压旋蒸除去TFA和甲醇,再加入适量的1/9的无水乙醇/二氯甲烷混合溶剂溶解,再加入甲基叔丁基醚沉降,如此重复多次,直至产物变为细小固体粉末,烘干得产物0.48g。1H-NMR(600MHz,DMSO-d6)δ14.19-13.97(m,16H),13.41-13.21(m,16H),8.46-8.11(m,32H),8.08-7.61(m,62H),7.35-6.98(m,40H),5.58-5.41(m,30H),5.37-5.24(m,24H),5.03-4.86(m,31H),4.61-4.38(m,43H),4.34-4.11(m,50H),4.06-3.80(m,82H),3.76-3.60(m,61H),3.57-3.46(m,1128H),3.31-3.19(m,37H),3.08-2.87(m,35H),2.43-2.11(m,68H),2.02-1.82(m,39H),1.75-1.57(m,32H),1.42-1.04(m,76H)
实施例20化合物72-248的合成



20.1 72-217的制备
将81-82(2.03g,5.38mmol)、72-216(8.7g,11.84mmol)、HBTU(6.2g,16.14mmol)和HOBT(2.18g,16.14mmol)加入到250ml圆底烧瓶中,用DMF(40ml)溶解后,再将反应烧瓶置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(8ml,48.42mmol),滴加完毕后,将反应烧瓶在-5℃继续搅拌1小时,然后取出转移至室温下搅拌。反应完成后,将反应液转移至1L的分液漏斗中,加入乙酸乙 酯(200ml)和纯水(200ml)萃取,对水相再使用乙酸乙酯萃取(100ml×2)。合并有机相,浓缩,再用纯水洗涤3次,收集有机相,旋干得到固体产物,用二氯甲烷和甲醇混合溶剂溶解,干法上样,以1-4%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、浓缩、真空烘箱干燥得到产品6g,产率92.3%。1H-NMR(600MHz,DMSO-d6)δ8.423-8.374(m,1H),8.363-8.316(m,1H),7.97-7.92(m,2H),7.79-7.74(m,1H),7.72-7.61(m,1H),7.37-7.31(m,30H),7.23-7.19(m,2H),5.08-5.05(m,8H),4.99-4.97(m,2H),4.61-4.57(m,2H),4.31-4.23(m,2H),4.08-3.98(m,3H),3.96-3.89(m,2H),3.75-3.40(m,7H),3.35-3.17(m,6H),3.00-2.98(m,3H),2.96-2.93(m,4H),2.83-2.82(m,1H),2.80-2.78(m,1H),2.77-2.75(m,1H),2.65-2.53(m,4H),2.49-2.46(m,4H),2.39-2.36(m,2H),1.69-1.59(m,2H),1.58-1.47(m,2H),1.36-1.34(m,9H),1.26-1.20(m,4H)
20.2 72-218的制备
将72-217(4g,2.448mmol)加入到250ml的圆底烧瓶中,加入TFA(3.6ml,48.96mmol)室温下搅拌反应。反应完成后,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml)处理,反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,收集滤饼,真空烘箱干燥得到产品3.2g,产率为82.9%。
20.3 72-219的制备
将72-218(2g,1.2668mmol)、70-201(2.286g,1.900mmol)、HBTU(0.72g,1.900mmol)和HOBT(0.256g,0.9923mmol)加入到100ml圆底烧瓶中,用DMF(50ml)溶解后,再将反应烧瓶置于室温条件下搅拌约20分钟,然后缓慢滴加DIEA(0.94ml,5.700mmol),滴加完毕后,继续室温下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,干燥得产品3g。
20.4 72-220的制备
将72-219(2g,0.723mmol)用DMF(30ml)溶解于反应釜中,再加入10%的Pd/C催化剂(600mg),使用水泵抽空,通入氢气,如此循环3次,最终调节氢气压力至1.8MPa,置于50℃高速搅拌反应,反应结束后,将反应液用胶头滴管转移到装有滤纸的抽滤漏斗中,抽滤,收集滤液,再用大量正己烷和甲基叔丁基醚反复沉降直到反应液呈现明显的固体状,加入二氯甲烷和甲苯,用旋转蒸发仪浓缩、干燥得产品1.5g。
20.5 72-222的制备
将72-220(0.3g,0.0702mmol)投入到250ml的烧瓶中,用DMF(30ml)溶解,室温搅拌10分钟,再缓慢滴加DIEA(0.96ml,5.602mmol),在-15摄氏度低温下搅拌30分钟后,加入M-SCM-10K (3g,0.2808mmol,购于键凯,Lot Number:ZZ390P163),反应置于室温下避光低速搅拌一周。反应结束后,再加甲基叔丁基醚(200ml)和正己烷(70ml),固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40mlⅹ3),收集滤饼,真空烘箱干燥得到产品2.5g。
20.6 72-245的制备
将72-222(2.5g,0.1066mmol)、81-203(0.75g,0.64mmol)、HBTU(0.085g,0.64mmol)和HOBT(0.335g,0.64mmol)加入到100ml圆底烧瓶中,用DMF(50ml)溶解后,再将反应烧瓶置于室温条件下搅拌约20分钟,然后缓慢滴加DIEA(0.08ml,0.4797mmol),滴加完毕后,继续在室温下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,干燥得到产品2.1g。
20.7 72-247的制备
将72-245(0.096g,0.0216mmol)加入到100ml的圆底烧瓶中,加入TFA(0.03ml,0.433mmol)室温下搅拌反应。反应完成后,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,收集滤饼,真空烘箱干燥,得到产品0.087g。1H-NMR(600MHz,DMSO-d6)δ11.03-10.71(m,20H),8.86-8.77(m,40H),8.31-7.98(m,176H),7.94-7.92(m,16H),7.87-7.82(m,28H),7.68-7.65(m,20H),7.49-7.44(m,20H),7.35-7.31(m,60H),7.25-7.17(m,144H),6.71-6.56(m,16H),4.80-4.66(m,40H),4.60-4.53(m,20H),4.36-4.32(m,24H),4.24-4.15(m,51H),3.78-3.60(m,112H),3.55-3.48(m,1910H),3.22-3.16(m,22H),2.90-2.82(m,47H),2.78-2.68(m,39H),2.62-2.61(m,2H),2.45-2.27(m,48H),2.18-2.07(m,58H),1.85-1.67(m,48H),1.62-1.43(m,120H),1.37-1.33(m,26H),0.89-0.79(m,120H)
20.8 72-248的制备
将72-247(0.087g,0.00198mmol)加入到250ml的圆底烧瓶中,加入甲醇(3ml),超声溶解,加入盐酸阿霉素(0.005g,0.008718mmol,简写为DOX),以超声波辅助溶解,置于室温下搅拌反应。反应完成后,蒸干,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,加入甲基叔丁基醚沉降,抽滤,重复3次,收集滤饼,真空烘箱干燥,得到产品0.09g。1H-NMR(600MHz,DMSO-d6)δ10.08-9.89(m,20H),8.78-8.73(m,20H),8.61-8.55(m,20H),8.21-7.98(m,176H),7.88-7.76(m,56H),7.73-7.68(m,20H),7.49-7.44(m,20H),7.25-7.07(m,204H),6.71-6.56(m,8H),5.52-5.41(m,8H),4.82-4.67(m,48H),4.64-4.51(m,28H),4.43-4.31(m,32H),4.3-4.05(m,63H),3.83-3.81(m,144H),3.55-3.48(m,1910H),3.22-3.16(m,22H),3.07-3.04(m,47H),2.78-2.68(m,49H),2.20-2.04(m,110H),1.78-1.67(m,52H),1.53-1.40(m,120H),1.21-1.16(m,38H),0.89-0.79(m,120H)
实施例21化合物72-279的合成



21.1 72-271的制备
将76-191(0.297g,1.79mmol)、伊立替康(0.807g,1.377mmol,购于伊诺凯)和DMAP(0.04g,0.2754mmol)加入到250ml烧瓶中,加入二氯甲烷(20ml)使其溶解,置于0℃搅拌反应20分钟,再加入DCC(1.42g,6.885mmol)继续搅拌30分钟后,取出于室温下搅拌反应过夜。反应结束,抽滤,旋干,产物用4/1的二氯甲烷/甲醇混合溶剂溶解,干法上样,以3-6%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品,浓缩、真空烘箱干燥得到产品0.726g。ESI[M+H+]769.36444
21.2 72-226的制备
将72-217(2g,1.2233mmol)用DMF(30ml)溶解,置于反应釜中,再加入10%的Pd/C催化剂(600mg),连接水泵抽真空,通入氢气,如此循环3次,最终调节氢气压力至1.8MPa,置于50℃高速搅拌反应,反应结束后,将反应液用胶头滴管转移到装有滤纸的抽滤漏斗中,抽滤,收集滤液,再用大量正己烷和甲基叔丁基醚反复沉降直到反应液呈现明显的固体状,加入二氯甲烷和甲苯,旋干,干燥得产品1.1g。
21.3 72-231的制备
将72-226(0.047g,0.0469mmol)投入到250ml的烧瓶中,用DMF(30ml)使之溶解,室温搅拌10分钟,再缓慢滴加DIEA(0.155ml,0.9387mmol),在-15摄氏度低温下搅拌30分钟后,加入M-SCM-10K(1g,0.0939mmol,购于键凯,Lot Number:ZZ390P163),置于室温下避光低速搅拌一周。反应结束后,再加甲基叔丁基醚(200ml)和正己烷(70ml),固体析出,抽滤,滤饼用甲基叔丁基醚清洗(40mlⅹ3),收集滤饼,真空烘箱干燥得到产品0.98g,产率94.69%。
21.4 72-241的制备
将72-231(2.5g,0.112mmol)、81-203(3.56g,0.672mmol)、HBTU(0.25g,0.672mmol)和HOBT(0.09g,0.672mmol)加入到100ml圆底烧瓶中,用DMF(50ml)使其溶解后,在室温条件下搅拌约20分钟,然后缓慢滴加DIEA(0.3ml,2.016mmol),滴加完毕后,继续在室温下搅拌反应。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,得到产品2.1g。
21.5 72-243的制备
将72-241(2.1g,0.094mmol)加入到250ml的圆底烧瓶中,加入TFA(0.14ml,1.8816mmol)室温下搅拌反应。反应完成后,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml×3)清洗,收集滤饼,真空烘箱干燥得到产品2g。
21.6 72-251的制备
将72-243(0.9g,0.0213mmol)、76-129(0.05g,0.04365mmol)、HBTU(0.009g,0.04365mmol)和HOBT(0.003g,0.04367mmol)加入到250ml圆底烧瓶中,用DMF(40ml)使其溶解后,在室温条件下搅拌约20分钟,然后缓慢滴加DIEA(0.03ml,0.0261mmol),滴加完毕后,继续温下搅拌。反应完成后,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次。抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,加入甲基叔丁基醚沉降,抽滤,如此重复3次,最后真空烘箱干燥,得到产品0.8g。1H-NMR(600MHz,DMSO-d6)δ9.92-9.81(m,20H),8.77-8.71(m,20H),8.58-8.53(m,20H),8.21-8.00(m,176H),7.86-7.67(m,56H),7.50-7.45(m,22H),7.35-7.18(m,180H),7.15-7.07(m,24H),6.72-6.54(m,6H),4.77-4.69(m,40H),4.60-4.55(m,20H),4.28-4.33(m,24H),4.25-4.17(m,64H),4.03-3.97(m,14H),3.86-3.76(m,113H),3.57-3.47(m,1910H),3.03-3.00(m,52H),2.87-2.71(m,36H),2.47-2.04(m,94H),1.92-1.66(m,52H),1.63-1.42(m,124H),1.27-1.13(m,32H),0.90-0.81(m,120H)
21.7 72-279的制备
将72-251(0.56g,0.0127mmol)和72-271(0.07g,0.0127mmol)置于反应烧瓶中,加入无水DMF(20ml)溶解,并用氮气填充反应烧瓶,然后加入CuSO4(0.03g,0.204mmol)和抗坏血酸钠(0.08g,0.409mmol),在室温下搅拌过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷和甲基叔丁基醚沉降,如此重复5次。抽滤得到固体产物,收集、干燥得到产品0.3g。1H-NMR(600MHz,DMSO-d6)δ10.10-9.56(m,20H),8.90-8.46(m,40H),8.10-7.90(m,180H),7.86-7.77(m,60H),7.48-7.43(m,26H),7.25-7.15(m,188H),7.13-7.11(m,24H),6.70-6.65(m,10H),4.90-4.64(m,48H),4.61-4.59(m,28H),4.36-4.33(m,32H),4.23-4.16(m,64H),4.00-3.73(m,127H),3.57-3.47(m,1910H),3.03-3.00(m,106H),2.85-2.80(m,36H),2.74-2.72(m,20H),2.41-2.32(m,50H),2.15-2.05(m,94H),1.89-1.80(m,60H),1.55-1.45(m,112H),1.28-1.20(m,44H),0.87-0.80(m,132H)
实施例22化合物87-40的合成

22.1 87-11的制备
称取76-191(0.84mmol)、HBTU(0.38g,1.01mmol)和HOBT(0.14g,1.01mmol)加入装有76-91(0.84mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.50ml,3.03mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,在2升分液漏斗中加入纯水(200ml)和乙酸乙酯(200ml),再倒入反应液进行萃取,分离有机相,水相用乙酸乙酯萃取两次(100ml×2)。合并有机相,再用饱和碳酸氢钠溶液(200ml)清洗一次。最后用无水硫酸镁除水,经旋转蒸发仪浓缩后,加入适量的混合溶剂和200-300目的硅胶粉蒸干,干法上样,以1-6%甲 醇/二氯甲烷为洗脱剂进行柱层析,收集产品,浓缩、蒸干得到产物1.0g。ESI[M+H+]1508.87,[M+Na+]1530.86
22.2 87-30的制备
称取87-26(1.0g,0.044mmol)和87-11(0.4g,0.26mmol)置于250ml反应瓶中,用适量的超干DMF溶解,用氮气充入反应瓶,然后称取无水CuSO4(0.055g,0.35mmol)和抗坏血酸钠(0.14g,0.70mmol)加入反应瓶中,在氮气保护下室温搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到固体产品。
22.3 87-39的制备
将87-30(0.044mmol)置于500ml的圆底烧瓶中,加入二氯甲烷(15ml),以超声波辅助溶解,再加入TFA(10ml)在室温下搅拌反应。反应结束后,减压旋蒸除去二氯甲烷和部分TFA,再加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,蒸干得到固体产物。
22.4 87-40的制备
将87-39(0.044mmol)加入到250ml圆底烧瓶,再加入超干DMF(20ml),以超声波辅助溶解。置于0℃条件下搅拌2分钟,再滴加入DIEA(1.16ml,7.04mmol),再加入77-164(0.92g,0.88mmol),在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,将滤饼用适量的1/9的无水乙醇/二氯甲烷溶解,再少量多次加入甲基叔丁基醚,直至有固体析出,抽滤,将得到的固体产物用二氯甲烷和甲醇溶解,干法上样,柱层析,用6%~12%甲醇/二氯甲烷进行洗脱,收集、浓缩、干燥得到产品0.93g,产率50.00%。1H-NMR(600MHz,DMSO-d6)δ9.31-9.15(m,16H),8.32-8.09(m,16H),8.03-7.94(m,48H),7.90-7.80(m,43H),7.77-7.62(m,52H),7.60-7.38(m,116H),7.26-7.10(m,16H),6.88-6.78(m,3H),6.35-6.20(m,16H),5.90-5.74(m,16H),5.60-5.48(m,16H),5.47-5.28(m,33H),4.98-4.86(m,32H),4.70-4.60(m,16H),4.23-4.15(m,10H),4.05-3.97(m,32H),3.57-3.45(m,1867H),3.21-3.09(m,70H),2.67-2.57(m,47H),2.44-2.33(m,61H),2.29-2.19(m,58H),2.16-2.03(m,72H),1.95-1.87(m,17H),1.84-1.72(m,76H),1.69-1.58(m,30H),1.57-1.42(m,71H),1.05-1.01(m,41H),1.01-0.96(m,45H)
实施例23化合物87-42的合成
23.1 87-34的制备
将76-232(0.1443mmol)、76-129(0.43g,0.64mmol)、HBTU(0.3g,0.69mmol)和HOBT(0.1g,0.69mmol)加入到250ml圆底烧瓶中,再加入DMF(15ml),以超声波辅助溶解。置于0℃条件下搅拌2分钟,再滴加入DIEA(0.34ml,2.08mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤。将粗产品以甲醇/二氯甲烷混合溶剂溶解,加入100-200目的硅胶粉蒸干,干法上样,以5-12%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产品、蒸干得到固体产物。
23.2 87-38的制备
在装有87-34(0.1443mmol)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(0.43ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到固体产品。
23.3 87-41的制备
将87-38(0.1443mmol)、74-185(0.18g,0.32mmol)、HBTU(0.3g,0.69mmol)和HOBT(0.1g,0.69mmol)加入到100ml圆底烧瓶中,再加入DMF(10ml),以超声波辅助溶解。置于0℃条件下搅拌1分钟,再滴加入DIEA(0.18ml,1.04mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,收集滤饼。将滤饼用适量DMF溶解,再少量多次加入甲基叔丁基醚,直至有固体析出,抽滤,烘干滤饼得产物3.26g。
23.5 87-42的制备
称取87-41(0.1443mmol)和无水CuSO4(0.73g,4.6mmol)加入装有无水DMF(10ml)的烧瓶中,再加入72-271(2.3mmol)和抗坏血酸钠(1.83g,9.2mmol),以超声波辅助溶解后,在氮气保护下, 室温搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,抽滤。固体用二氯甲烷溶解,再加入正己烷(25ml)与甲基叔丁基醚(200ml)沉降,如此重复3次,抽滤得到固体产物,将固体产物用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉,蒸干,干法上样,以1%氨水/5-7%甲醇/二氯甲烷为洗脱剂进行柱层析,收集产物,蒸干,放入真空烘箱干燥,得到产品0.27g,产率5.04%。1H-NMR(600MHz,DMSO-d6)δ9.63-9.54(m,2H),8.70-8.36(m,16H),8.19-7.82(m,84H),7.70-7.52(m,24H),7.10-6.97(m,18H),6.84-6.69(m,10H),4.39-4.02(m,163H),3.87-3.76(m,70H),3.56-3.48(m,1128H),3.12-3.01(m,138H),2.67-2.58(m,102H),2.14-2.06(m,74H),1.92-1.79(m,86H),1.76-1.59(m,106H),1.45-1.33(m,72H),1.27-1.16(m,72H),0.95-0.85(m,48H)
实施例24化合物85-63的合成

24.1 85-34的制备
在装有76-92(3.5g,2.1059mmol)的烧瓶中加入二氯甲烷(6ml),以超声波辅助溶解后加入TFA(6.3ml,84.2374mmol),放于室温下搅拌反应。反应结束后,先将反应液浓缩蒸干除去二氯甲烷,加入甲基叔丁基醚(300ml)沉降,析出固体产品,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼真空干燥,得到产品2.65g。
24.2 85-36的制备
将85-34(2.65g,2.1059mmol)、81-189(7.76g,8.4236mmol)、HBTU(4.79g,12.6354mmol)和HOBT(1.70g,12.6354mmol)投入500ml反应烧瓶中,溶于DMF(100ml),将反应置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(6.3ml,37.9062mmol),继续在0℃反应30分钟,然后将反应移到室温下搅拌。反应完成后,加入正己烷(250ml)和甲基叔丁基醚(70ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,重复3次,抽滤得到固体产物,收集固体产物,加入4%甲醇/二氯甲烷混合溶剂,以超声波辅助溶解,抽滤得到固体产物,此操作重复三次,收集固体产物,真空烘箱干燥,得到产品7.5g,产率73.1%。1H-NMR(600MHz,DMSO-d6)δ8.33-7.93(m,28H),7.92-7.78(m,12H),7.71-7.60(m,2H),7.54-7.44(m,4H),7.41-7.35(m,2H),7.32-7.09(m,24H),4.55-4.43(m,4H),4.39-4.15(m,10H),4.12-3.90(m,10H),3.69-3.53(m,26H),3.51-3.42(m,20H),3.25-3.00(m,44H),3.00-2.71(m,10H),2.45-2.18(m,54H),2.11-2.07(m,4H),1.92-1.70(m,22H),1.63-1.42(m,24H),1.40-1.32(m,2H),1.22-1.16(m,2H),0.92-0.78(m,24H)
24.3 85-67的制备
将85-36(3.0g,0.6150mmol)投入500ml的烧瓶中,加入DMF(15ml),使其溶解,加入吗啉(1.1ml,12.3009mmol),反应在45℃水浴中搅拌2小时,反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,真空烘箱干燥,得到产品2.86g。ESI[M+Na+]4677.803
24.6 71-285的制备
称取2-(2-氨乙氧基)乙醇(2.4g,22.9063mmol)加入到反应烧瓶中,加入二氯甲烷(10ml)溶解,放于室温下搅拌,加入三乙胺(6.4ml,45.8126mmol),然后称取(Boc)2O(5.0g,22.9063mmol)用二氯甲烷(10ml)将其溶解并缓慢滴加到反应烧瓶中。滴加完毕后,于室温下搅拌反应。反应结束,用减压旋蒸干将反应液蒸干,产物用20%甲醇/二氯甲烷的混合溶剂溶解后加入硅胶粉混合均匀,蒸干。干法上样,以1-3%甲醇/二氯甲烷为洗脱剂进行柱层析。收集目标产物、浓缩、蒸干得到产物4.5g,产率95.74%。1H-NMR(600MHz,DMSO-d6)δ6.76(t,J=5.3Hz,1H),3.48(dd,J=10.5,5.3Hz,2H),3.42-3.31(m,5H),3.07(dd,J=11.8,5.9Hz,2H),1.37(s,9H);ESI[M+Na+]228.11987
24.7 71-288的制备
称取71-285(4.5g,21.9243mmol)加入到反应烧瓶中,加入四氢呋喃(19ml)和三乙胺(9.1ml,65.7731mmol)混合溶解,将反应烧瓶放于冰水浴中冷却至0℃,再加入氯甲酸-4-硝基苯(4.41g,21.9243mmol)的四氢呋喃(20ml)溶液,滴加完毕后,温度升高至室温,再室温下搅拌4小时。反 应结束,浓缩除去大部分溶剂,然后加入乙酸乙酯(100ml)和去离子水(100ml)萃取,静置分层后收集有机相,浓缩,产物用20%甲醇/二氯甲烷的混合溶剂溶解后加入硅胶粉混合均匀,蒸干,干法上样,以20-30%乙酸乙酯/石油醚为洗脱剂进行柱层析,收集目标产物、浓缩、蒸干得到产物4.49g,产率55.42%。1H-NMR(600MHz,DMSO-d6)δ8.33-8.30(m,1H),8.14-8.09(m,1H),7.60-7.53(m,1H),6.96-6.90(m,1H),6.82(s,1H),4.38-4.34(m,1H),4.20-4.15(m,1H),3.60-3.56(m,1H),3.45-3.42(m,1H),3.40-3.37(m,2H),3.14-3.01(m,2H),1.37(s,9H);ESI[M+Na+]393.12424
24.8 71-292的制备
称取阿西替尼(3.9g,10.1029mmol)加入到反应烧瓶中,加入DMF(20ml)和三乙胺(4.22ml,30.3087mmol)混合溶解,放于室温中搅拌,然后加入71-288(4.49g,12.1235mmol),继续在室温下搅拌过夜。反应结束,加入去离子水(100ml)和乙酸乙酯(120ml)萃取,静置分层后收集有机相;有机相用氯化钠水溶液(70ml×3)洗涤,浓缩,产物用20%甲醇/二氯甲烷的混合溶剂溶解后加入硅胶粉混合均匀,蒸干,干法上样,以0-3%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物、浓缩、蒸干得到产物3.869g,产率61.87%。1H-NMR(600MHz,DMSO-d6)δ8.66(d,J=3.9Hz,1H),8.41(q,J=4.5Hz,1H),8.33(d,J=8.4Hz,1H),8.18(s,1H),7.94(d,J=16.4Hz,1H),7.87(td,J=7.7,1.8Hz,1H),7.79(dd,J=17.2,12.1Hz,2H),7.54 -7.51(m,1H),7.41(dd,J=8.4,1.5Hz,1H),7.39-7.34(m,3H),7.18(dd,J=7.6,1.4Hz,1H),6.79(t,J=5.6Hz,1H),4.59-4.53(m,2H),3.79-3.75(m,2H),3.46(t,J=6.0Hz,2H),3.10(dd,J=11.8,5.9Hz,2H),2.76(d,J=4.6Hz,3H),1.33(s,9H);ESI[M+H+]618.23706,[M+Na+]640.21857
24.9 71-294的制备
称取71-292(3.869g,6.2634mmol),加入二氯甲烷(5ml)和TFA(4.6ml,62.634mmol),常温搅拌反应。反应结束后,反应液浓缩,反应液加甲基叔丁基醚(150ml)与正己烷(100ml)沉降,析出固体产品,抽滤,收集固体,真空烘箱干燥得到产物3.24g。1H-NMR(600MHz,DMSO-d6)δ8.67(d,J=4.1Hz,1H),8.44(dd,J=9.1,4.5Hz,1H),8.34(d,J=8.4Hz,1H),8.18(d,J=0.7Hz,1H),7.95(d,J=16.4Hz,1H),7.90(td,J=7.7,1.7Hz,1H),7.80(d,J=5.6Hz,2H),7.54(dd,J=7.1,2.0Hz,1H),7.42(dd,J=8.4,1.4Hz,1H),7.41-7.35(m,3H),7.20-7.16(m,1H),4.66-4.56(m,2H),3.86-3.83(m,2H),3.70-3.67(m,4H),3.02(dd,J=10.7,5.5Hz,2H),2.76(d,J=4.6Hz,3H);ESI[M+H+]518.18384
24.10 85-32的制备
将71-294(3.24g,6.2596mmol)、81-127(0.74g,1.2037mmol)、HBTU(2.73g,7.2222mmol)和HOBT(0.97g,7.222mmol)投入装有DMF(40ml)的500ml反应烧瓶中,将反应置于-5℃条件下搅拌约20分钟,然后缓慢滴加DIEA(3.5ml,21.6666mmol),继续在0℃反应1小时,然后将反应移到室温下搅拌。反应完成后,加入正己烷(250ml)和甲基叔丁基醚(70ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,收集固体产物,加入97%二氯甲烷和3%甲醇混合溶剂超声洗涤,抽滤得到固体产物。如此重复2次,收集固体产物,真空烘箱干燥得到产品2.55g,产率81.25%。1H-NMR(600MHz,DMSO-d6)δ8.61(s,4H),8.45-8.33(m,4H),8.30 -8.16(m,4H),8.16-8.03(m,6H),8.02-7.93(m,2H),7.92-7.78(m,10H),7.77-7.66(m,8H),7.54-7.48(m,4H),7.40-7.23(m,16H),7.20-7.09(m,4H),4.59-4.44(m,8H),4.23-4.07(m,3H),3.73(s,8H),3.50-3.40(m,8H),3.28-3.23(m,2H),3.22-3.14(m,6H),3.06(s,2H),2.87 -2.79(m,2H),2.78-2.67(m,12H),2.17-2.09(m,8H),1.90-1.77(m,3H),1.76-1.64(m,3H),1.45-1.38(m,2H),1.36-1.25(m,11H),1.19-1.12(m,2H);ESI[M+Na+]2637.778
24.11 85-50的制备
在装有85-32(2.55g,0.9744mmol)的烧瓶中加入二氯甲烷(5ml),超声振荡至完全溶解后加入TFA(0.7ml,9.744mmol),放于室温下搅拌反应。反应结束后,先将反应液浓缩蒸干除去二氯甲烷,甲基叔丁基醚(300ml)沉降,析出固体产品,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼真空干燥,得到产品2.45g。
24.12 85-51的制备
将71-278(1.8g,0.0412mmol)、85-50(0.16g,0.0618mmol)、HBTU(0.023g,0.0618mmol)和HOBT(0.008g,0.0618mmol)投入装有DMF(25ml)的250ml烧瓶中,将反应置于室温下搅拌约20分钟,然后缓慢滴加DIEA(0.03ml,0.1855mmol),继续在室温下搅拌。反应完成后,加入正己烷(250ml)和甲基叔丁基醚(70ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复5次,抽滤得到固体产物,真空烘箱干燥得到产品2.0g。1H-NMR(600MHz,DMSO-d6)δ8.64-8.57(m,4H),8.42-8.36(m,4H),8.31-8.19(m,7H),8.16-8.06(m,7H),8.03-7.93(m,7H),7.90-7.78(m,10H),7.78-7.69(m,8H),7.67-7.59(m,4H),7.53-7.47(m,4H),7.39-7.25(m,13H),7.17-7.11(m,4H),4.21-4.16(m,15H),3.86-3.83(m,23H),3.82-3.80(m,8H),3.51-3.50(m,3828H),3.22-3.17(m,14H),2.77-2.72(m,36H),2.37-2.30(m,24H),1.88-1.83(m,8H),1.59-1.53(m,10H),1.38-1.37(m,36H),1.27-1.25(m,12H)
24.13 85-57的制备
在装有85-51(1.0g,0.0216mmol)的烧瓶中加入TFA(4ml),以超声波辅助溶解,放于室温下搅拌反应过夜。反应结束后,先将反应液浓缩蒸干除去大部分TFA,用甲基叔丁基醚(300ml)沉降,析出固体产品,抽滤,滤饼用甲基叔丁基醚(40ml)洗涤三次,收集滤饼、真空干燥得到产品0.99g。1H-NMR(600MHz,DMSO-d6)δ9.78-9.74(m,4H),8.64-8.55(m,4H),8.41-8.36(m,4H),8.25-8.21(m,6H),8.16-8.09(m,8H),7.89-7.79(m,14H),7.74-7.69(m,10H),7.52-7.43(m,8H),7.34-7.31(m,12H),7.15-7.12(m,6H),4.55-4.52(m,8H),4.26-4.16(m,7H),3.88-3.80(m,12H),3.78-3.69(m,19H),3.51-3.50(m,3828H),3.19-3.17(m,14H),3.10-3.02(m,20H),2.99-2.94(m,10H),2.86-2.82(m,6H),2.41-2.33(m,10H),2.19-2.01(m,16H),1.62-1.52(m,6H),1.49-1.41(m,10H),1.23-1.16(m,12H)
24.14 85-63的制备
将85-57(0.5g,0.0106mmol)、85-67(0.3g,0.064mmol)、HBTU(0.024g,0.0633mmol)和HOBT(0.0085g,0.0633mmol)加入到250ml圆底烧瓶中,用N-甲基吡咯烷酮(35ml)使其溶解后,再将反应烧瓶置于室温下搅拌约20分钟,然后缓慢滴加DIEA(0.03ml,0.1924mmol),滴加完毕后,并将反应烧瓶继续置于室温下搅拌。反应结束后,加入正己烷(100ml)和甲基叔丁基醚(100ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,将得到的固体产物用二氯甲烷/甲醇混合溶剂溶解,干法上样,以1%三乙胺/6-12%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.58g。1H-NMR(600MHz,DMSO-d6)δ8.29-8.21(m,26H),8.13-7.96(m,104H),7.89-7.78(m,52H),7.53-7.46(m,20H),7.38-7.12(m,126H),4.59-4.40(m,30H),4.39-4.30(m,21H),4.26-4.14(m,20H),4.12-3.93(m,54H),3.87-3.79(m,10H),3.77-3.71(m,14H),3.70-3.60(m,131H),3.59-3.56(m,71H),3.51-3.50(m,3828H),3.25-3.23(m,19H),3.22-3.13(m,164H),3.09-3.04(m,45H),2.95-2.80(m,62H),2.77-2.73(m,18H),2.37-2.35(m,26H),2.33-2.28(m,78H),2.20-2.15(m,46H),1.93-1.87(m,64H),1.79-1.75(m,34H),1.63-1.60(m,109H),1.25-1.17(m,50H),0.93-0.86(m,48H),0.85-0.81(m,48H)
实施例25化合物88-233的合成



25.1 88-115的制备
取1,3-二氨基-2-丙醇(10.0g,100.191mmol)溶于二氯甲烷(30ml)中,放入搅拌子快速搅拌,然后加入硫酸钠(24g,124.88mmol)、苯甲醛(11.2g,89.383mmol),在室温下搅拌18小时之后抽滤,浓缩滤液,加入无水乙醇(20ml)并冷却至0℃,再分次加入固体NaBH4(10.95g,124.082mmol),每次超过十分钟,加完后搅拌1小时,加入水(10ml)并减压浓缩,再加入二氯甲烷(100ml)溶解,用1N HCl溶液(20ml×2)洗涤,再用NaOH溶液调节pH至碱性。再用二氯甲烷(300ml×3)萃取,合并二氯甲烷,加入无水硫酸镁除水,过滤,收集滤液,加入硅胶粉,干法上样,以1-4%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、浓缩、干燥得产品5.4g,产率54.00%。1H-NMR(600MHz,DMSO-d6)δ7.54-7.07(m,5H),3.75-3.65(m,2H),3.46(s,1H),3.07-2.96(m,1H),2.61-2.52(m,1H),2.49-2.37(m,2H);ESI[M+H+]181.13
25.2 88-127的制备
将88-115(5.4g,29.95mmol)溶于DMSO(30ml)中,搅拌于25摄氏度的水浴锅中,滴加5mol/L的NaOH溶液(2ml),搅拌10min后,滴加丙烯酸叔丁酯(34.8ml,239.66mmol),反应过夜,点TLC观察,用乙酸乙酯和饱和NaCl溶液进行萃取,随后再用乙酸乙酯萃取3次。合并有机相蒸干后用甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉,蒸干,干法上样,用乙酸乙酯/石油醚为洗脱剂进行柱层析,收集目标产物、浓缩、干燥得到产品3.5g。1H-NMR(600MHz,DMSO-d6)δ7.34-7.19(m,5H),3.70-3.61(m,2H),3.59-3.56(m,2H),3.41-3.38(m,1H),2.68-2.58(m,6H),2.44-2.20(m,12H),1.38(s,36H)
25.3 88-137的制备
将88-127(5.6g,8.551mmol)溶解于DMF(20ml)中,放入搅拌子,加入含量为10%的Pd/C催化剂(0.4g),通入氢气,调节压力为200Psi,反应在室温下搅拌过夜。反应结束后,将反应液用布氏漏斗和滤纸过滤,滤饼用DMF(5ml×3)清洗,滤液装入250ml的圆底烧瓶中,用乙酸乙酯/饱 和NaCl溶液萃取,水相再用乙酸乙酯萃取3次。合并有机相蒸干得到产品4.05g。
25.4 88-116的制备
将Boc-L-Asp-4-OBzl(6.0g,18.55mmol)、β-氨基丙酸卞酯盐酸盐(7.17g,20.41mmol)、HBTU(7.74g,20.41mmol)和HOBT(2.76g,20.41mmol)加入到500ml烧瓶中,加入DMF(30ml)使其溶解,置于-5摄氏度搅拌约20分钟,然后缓慢滴加DIEA(6.1ml,37.1mmol),滴加完毕后,继续于-5°搅拌1小时,然后移至室温下搅拌反应。反应结束,将反应液转移到2L的分液漏斗中,加入饱和碳酸氢钠溶液(250ml)和乙酸乙酯(300ml)进行萃取,得有机相,水相再用乙酸乙酯(200ml x 3)萃取,合并有机相用饱和食盐水(200ml x 2)清洗,浓缩,蒸干得到产品8.98g。
25.5 88-117的制备
在装有88-116(8.98g,18.55mmol)的烧瓶中加入二氯甲烷(20ml),以超声波辅助溶解后加入TFA(20.7ml,287.25mmol),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(40ml x 3)清洗,倒掉上清液,蒸干,真空烘箱干燥得到产品7.12g。
25.6 88-119的制备
将88-117(7.12g,18.55mmol)加入到装有DMF(20ml)的500ml烧瓶中,以超声波辅助溶解,缓慢加入DIEA(15.3ml,92.75mmol),滴加完毕,搅拌5分钟,再加入丁二酸酐(5.568g,55.65mmol,购于Innochem),搅拌反应3小时。反应结束后,加入饱和食盐水(200mL)和乙酸乙酯(200mL)进行萃取,静置分层后收集有机相,水相再用乙酸乙酯(200mL×3)萃取。合并有机相,蒸干至固体,用二氯甲烷和甲醇溶解,干法上样,以1%甲醇/二氯甲烷为洗脱剂进行柱层析,收集、浓缩、干燥得到产品8.23g,产率91.65%。ESI[M+H+]485.18
25.7 88-138的制备
将88-119(1.35g,2.78mmol)、88-137(1.6g,2.65mmol)、HBTU(1.05g,2.78mmol)和HOBT(0.37g,2.78mmol)加入到500ml烧瓶中,加入DMF(50ml)使其溶解,置于-5摄氏度搅拌约20分钟,然后缓慢滴加DIEA(36.5ml,153.68mmol),滴加完毕后,继续于-5°搅拌1小时,然后移至室温下搅拌反应。反应结束,将反应液转移到2L的分液漏斗中,加入饱和碳酸氢钠溶液(250ml)和乙酸乙酯(300ml),进行萃取,得有机相,水相用乙酸乙酯(200ml x 3)萃取,合并有机相用饱和食盐水(200ml x 2)清洗,收集有机相,浓缩、蒸干得到产品1.9g。1H-NMR(600MHz,DMSO-d6)δ8.32-8.24(m,1H),7.98-7.92(m,1H),7.49-7.19(m,10H),5.15-5.00(m,4H),4.67-4.53(m,1H),3.76-3.61(m,2H),3.60-3.46(m,5H),2.92-2.87(m,1H),2.84-2.78(m,1H),2.75-2.71(m,1H),2.70-2.53(m,11H),2.40-2.12(m,12H),1.46-1.33(m,36H);ESI[M+H+]1069.59
25.8 88-163的制备
在装有88-138(0.60g,0.56mmol)的烧瓶中加入二氯甲烷(5ml),以超声波辅助溶解后加入TFA(5ml,33.65mmol),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,加入甲基叔丁基醚(40ml)沉降,倒掉上清液,再加入甲基叔丁基醚(40ml)沉降,如此重复3次,蒸干,真空烘箱干燥得到产品0.47g。1H-NMR(600MHz,DMSO-d6)δ13.95-11.31(m,4H),8.36-8.20(m,1H),8.01-7.87(m,1H),7.38-7.29(m,10H),5.17-5.02(m,4H),3.89-3.81(m,2H),3.69-3.51(m,18H),3.18-3.15(m,1H),2.83-2.72(m,5H),2.64-2.55(m,4H),2.43-2.35(m,2H);ESI [M+H+]845.34
25.9 88-162的制备
将70-201(0.83g,0.69mmol)、N'-芴甲氧羰基-N-苄氧羰基-L-赖氨酸(0.38g,0.76mmol)、HBTU(0.28g,0.76mmol)和HOBT(0.10g,0.76mmol)加入到500ml烧瓶中,加入DMF(50ml)使其溶解,置于-5摄氏度搅拌约20分钟,然后缓慢滴加DIEA(0.3ml,1.52mmol),滴加完毕后,继续于-5°下搅拌1小时,然后移至室温下搅拌反应。反应结束,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集产物、干燥得到产品1.16g。
25.10 88-164的制备
在装有88-162(1.16g,0.69mmol)的烧瓶中加入DMF,以超声波辅助溶解后加入吗啉(1ml,10.34mmol),放于室温下搅拌反应2h。反应结束后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品0.75g。1H-NMR(600MHz,DMSO-d6)δ8.36-8.08(m,8H),7.96(s,9H),5.00(s,2H),4.26(s,3H),4.19-4.08(m,8H),3.61-3.57(m,8H),3.10-3.04(m,4H),2.24-2.08(m,14H),1.51-1.46(m,4H),1.39(s,36H),1.30-1.19(m,8H);ESI[M+H+]1465.75
25.11 88-166的制备
称取88-164(0.75g,0.51mmol)、HBTU(0.19g,0.51mmol)和HOBT(0.07g,0.51mmol)加入装有88-163(0.09g,0.12mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.3ml,1.8mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品。
25.12 88-198的制备
将88-166(0.49g,0.0738mmol)和10%的Pd/C催化剂(0.18g)投入到氢化反应釜中,然后加入甲醇(30ml)使其溶解,封闭氢化反应装置,以水泵抽真空,充入氢气,如此重复三次,最终调节氢化反应装置上的压力读数为1.8MPa,然后在常温下过夜反应。反应结束,反应液用硅藻土过滤,滤饼用甲醇(20mlⅹ3)清洗,将滤液蒸干,加入甲苯(2ml)和二氯甲烷(10ml)蒸干,如此重复3次以除去甲醇得到产物。
25.13 88-202的制备
将88-198(0.437g,0.0738mmol)投入到250ml的烧瓶中,用DMF(20ml)使之溶解,再缓慢滴加入装有DIEA(0.2ml,1.23mmol)和M-SCM-5K(1.725g,0.3249mmol,购于键凯)的DMF溶液中,将反应置于室温下避光低速搅拌反应一周。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集,真空烘箱干燥得到产品2.13g。
25.14 88-203的制备
将88-202(2.0g,0.073mmol)、TSTU(0.12g,0.16mmol)和DMF(10ml)于50ml烧瓶溶解,后加入三乙胺(0.12ml,0.95mmol),于室温下搅拌反应,待反应完成后加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,收集目标产物、真空烘箱干燥得到产品。
25.15 88-207的制备
将88-203(0.0738mmol)和74-185(0.09g,0.1624mmol)加入到250ml圆底烧瓶中,再加入DMF(15ml),以超声波辅助溶解。置于0℃条件下搅拌10分钟,再滴加入DIEA(0.12ml,0.7384mmol),取出,在室温下搅拌反应。反应结束后,加入甲基叔丁基醚(200ml)沉降,固体析出,抽滤,以甲醇/二氯甲烷混合溶剂溶解滤饼,加入200-300目的硅胶粉蒸干。干法上样,以9%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,蒸干得到产物。
25.16 88-232的制备
将88-207(0.0607mmol)置于500ml的圆底烧瓶中,加入TFA(15ml),在室温下搅拌反应。反应完成后加入适量二氯甲烷,减压旋蒸除去二氯甲烷、TFA,再加入二氯甲烷,减压旋蒸,如此重复多次,直至产物变为固体粉末。再加入适量二氯甲烷,溶解,加入DIEA调节pH至碱性,减压浓缩,蒸干得产物1.5g。
25.17 88-233的制备
将88-232(0.0607mmol)加入到250ml的圆底烧瓶中,加入甲醇(20ml),以超声波辅助溶解,加入DOX.HCl(1.13g,1.9424mmol),以超声波辅助溶解,再加入TFA(1.386ml,12.16mmol),置于室温下搅拌反应。反应完成后,蒸干,加入正己烷(30ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复4次,抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以4-12%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物、浓缩、真空烘箱干燥得到产品0.4g,产率18.61%。1H-NMR(600MHz,DMSO-d6)δ14.24-13.93(m,16H),13.51-13.15(m,16H),9.27-8.98(m,13H),8.75-7.48(m,56H),7.25-6.45(m,49H),5.57-5.44(m,5H),5.36-5.24(m,5H),5.05-4.82(m,10H),4.64-4.38(m,16H),4.27-4.09(m,17H),4.04-3.82(m,32H),3.70-3.58(m,54H),3.54-3.46(m,2141H),3.44-3.39(m,77H),3.27-3.15(m,16H),3.04-2.88(m,14H),2.78-2.70(m,6H),2.43-2.36(m,11H),2.23-2.09(m,16H),1.98-1.81(m,27H),1.58-1.44(m,19H),1.42-1.29(m,130H),1.23-1.08(m,175H),0.93-0.79(m,36H).
实施例26化合物82-220的合成


26.1 82-184的制备
称取82-49(1.2g,2.5193mmol)加入装有丁二酸酐(0.63g,6.2982mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(1.73ml,10.4971mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,将得到的固体产物用二氯甲烷和甲醇混合溶剂溶解,干法上样,以3-6%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品1.45g,超产。
26.2 82-185的制备
称取82-184(2.5193mmol)、HBTU(0.96g,2.5193mmol)和HOBT(0.34g,2.5193mmol)加入装有70-68(1.75g,2.5193mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.92ml,5.5425mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品1.64g,产率52.06%。1H-NMR(600MHz,DMSO-d6)δ9.31(s,1H),8.58(s,1H),8.38-8.30(m,1H),8.13-7.97(m,6H),7.95-7.88(m,2H),7.84-7.72(m,1H),7.62-7.56(m,1H),7.55-7.51(m,1H),7.28-7.23(m,5H),7.20-7.15(m,1H),4.54-4.41(m,2H),4.38-4.30(m,1H),4.14-3.82(m,4H),3.78-3.48(m,10H),3.45-3.38(m,3H),3.31-3.25(m,1H),3.19-3.02(m,3H),2.91-2.52(m,6H),2.46-2.22(m,9H),2.00-1.93(m,1H),1.83-1.73(m,2H),1.41-1.36(m,27H),1.32(s,6H)
26.3 82-196的制备
在装有82-195(1.64g,1.3572mmol)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(3.02ml,40.7186mmol),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,收集滤饼,真空烘箱干燥,得到产品。
26.4 82-189的制备
称取76-55(7.0510mmol)、HBTU(2.94g,7.7561mmol)和HOBT(1.05g,7.7561mmol)加 入装有Fmoc-Lys(Boc)-OH(3.30g,7.0561mmol,购于伊诺凯)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(2.56ml,15.5122mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集,真空烘箱干燥得到产品6.5g。
26.5 82-193的制备
在装有82-189(1.2886mmol)的烧瓶中加入DMF,以超声波辅助溶解后加入吗啉(6.14ml,70.510mmol),放于室温下搅拌反应2h。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)萃取,静置分层后收集有机相;水相再用乙酸乙酯萃取(200ml×3)。合并有机相,蒸干至固体,再用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以6-10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品2.5g,产率63.45%。
26.6 82-197的制备
称取82-196(1.3572mmol)、HBTU(1.70g,4.4788mmol)和HOBT(0.61g,4.4788mmol)加入装有82-193(2.50g,4.4788mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(1.48ml,8.9575mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集、干燥得到产品2.31g。1H-NMR(600MHz,DMSO-d6)δ8.58(s,1H),8.16-7.78(m,16H),7.61-7.51(m,2H),7.34-7.21(m,6H),7.20-7.12(m,1H),6.73(s,2H),4.60-4.50(m,1H),4.49-4.41(m,1H),4.40-4.32(m,1H),4.29-4.13(m,5H),4.10-3.91(m,2H),3.90-3.82(m,1H),3.76-3.49(m,8H),3.31-3.25(m,5H),3.24-3.12(m,4H),3.11-3.01(m,2H),2.94-2.79(m,7H),2.73-2.59(m,4H),2.55-2.51(m,3H),2.43-2.26(m,13H),2.22-2.10(m,6H),2.02-1.94(m,1H),1.90-1.75(m,4H),1.73-1.65(m,3H),1.64-1.43(m,9H),1.39-1.34(m,81H),1.27-1.10(m,12H),0.94-0.80(m,6H);ESI[M+Na+]2727.597
26.7 82-200的制备
在装有82-197(1g,0.3696mmol)的烧瓶中加入二氯甲烷,以超声波辅助溶解后加入TFA(2.19ml,29.5612mmol),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品0.96g。
26.8 82-202的制备
将82-200(0.22g,0.1050mmol)投入到250ml的烧瓶中,用DMF(20ml)使之溶解,再缓慢滴加入装有DIEA(1.24ml,7.524mmol)和M-SCM-10K(3.46g,0.3254mmol,购于键凯)的DMF溶液中,将反应置于室温下避光低速搅拌反应一周。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集产物、真空烘箱干燥得到产品3.5g。
26.9 82-181的制备
称取70-199(3.32g,9.4014mmol)、HBTU(3g,7.9277mmol)和HOBT(1.07g,7.9277mmol)加入装有Boc-乙二胺(9.4014mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(3.93ml,22.7830mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应结束后,加入饱和NaCl溶液(200ml)和乙酸乙酯(200ml)萃取,静置分层后收集有机相;水相再用乙酸乙酯(200ml×3)萃取。合并有机相,蒸干至固体,收集浓缩,真空烘箱干燥得到产品3.6g。
26.10 82-204的制备
在装有82-181(3.6g)的烧瓶中加入DMF(50ml),超声振荡至完全溶解后加入吗啉(10ml),放于室温下搅拌反应2h。反应结束后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,真空烘箱干燥得到产品。
26.11 82-205的制备
称取82-204(1.03g,0.945mmol)、HBTU(0.63g,1.6752mmol)和HOBT(0.23g,1.6752mmol)加入装有82-202(0.1050mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.30ml,1.8040mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集,再用1/4的甲醇/二氯甲烷混合溶剂溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以6-10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品1.53g。
26.12 82-219的制备
在装有82-205(1.53g,0.0380mmol)的烧瓶中加入二氯甲烷,超声振荡至完全溶解后加入TFA(10ml),放于室温下搅拌反应过夜。反应结束,用旋转蒸发仪将反应液蒸至油状,再加入甲基叔丁基醚(60ml),反应液中粉末状固体析出,抽滤,滤饼用甲基叔丁基醚(40ml x 3)清洗,产物溶解性差,收集滤饼,真空烘箱干燥得到产品。
26.13 82-220的制备
称取82-219(0.0269mmol)加入装有84-97(1.0g,1.6752mmol)的烧瓶中,再加入适量DMF使其溶解,置于-5℃下,缓慢滴加DIEA(0.30ml,1.8040mmol),滴毕,反应半小时后取出,在室温下搅拌反应过夜。反应完成后,加入正己烷(25ml)和甲基叔丁基醚(200ml)沉降,倾倒上清液,再加入正己烷与甲基叔丁基醚沉降,如此重复3次,抽滤得到固体产物,收集,再用1/4的甲醇/二氯甲烷溶液溶解,加入硅胶粉(100ml),蒸干,呈粉末状固体,干法上样,以6-10%甲醇/二氯甲烷为洗脱剂进行柱层析,收集目标产物,浓缩,真空烘箱干燥得到产品0.9g。1H-NMR(600MHz,DMSO-d6)δ8.28-7.96(m,88H),7.95-7.86(m,48H),7.84-7.65(m,19H),7.56-7.49(m,21H),7.26-7.21(m,6H),7.14-6.98(m,21H),5.61-5.40(m,48H),5.39-5.11(m,45H),4.69-4.40(m,13H),4.37-4.22(m,36H),4.18-4.02(m,66H),3.94-3.75(m,74H),3.73-3.60(m,172H),3.56-3.48(m,3594H),3.19-3.00(m,142H),2.95-2.84(m,23H),2.81-2.69(m,64H),2.46-2.33(m,43H),2.17-2.04(m,74H),1.93-1.79(m,44H),1.66-1.52(m,103H),1.47-1.36(m,59H),1.25-1.17(m,72H),0.97-0.76(m,76H)
生物测试
试验例1化合物细胞毒性测试
一、实验材料:
1、实验药物:70-261、75-236、77-162、87-42、82-220、81-214、72-248、72-279、84-102
2、实验细胞:A549细胞、MDA-MB-231细胞、BT-474细胞
3、实验设备:PerkinElmer多功能酶标仪(PerkinElmer公司)
4、实验试剂:CCK8细胞增殖及细胞毒性检测试剂盒(Dojindo公司);DMEM培养基、胎牛血清、抗生素(GIBCO公司)
二、检验不同浓度药物对A549、MDA-MB-231和BT474细胞生长抑制实验方法
培养细胞,胰酶消化。细胞用对应培养基吹打成单细胞悬浮液。每孔100ul接种于96孔板,细胞密度在10-15%左右。37℃、5%CO2培养箱中过夜培养。
根据药物浓度要求,倍比稀释法配置不同浓度含药培养基。
A549细胞对应药物如下:
MDA-MB-231细胞对应药物如下:
BT474细胞对应药物如下:
药物梯度:分别加入100ul步骤2配置好的含对应药物新鲜培养基(配置的药物浓度为上表2倍,加完后总体积200ul,药物终浓度为上表值),培养72小时。
药物处理72小时后,弃原始培养基。
每孔加入100微升(含10% CCK8)的培养基,在细胞培养箱内继续孵育1-2小时。
在450nm测定吸光度。
三、实验结果
(1)检验不同浓度药物处理对A549细胞生长抑制,实验结果如下。
图1显示不同浓度70-261处理A549细胞72小时后对细胞生长抑制作用,表明70-261毒性很大,IC50远低于0.02μM。
图2和下表显示不同浓度84-102处理A549细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
图3显示不同浓度77-162处理A549细胞72小时后对细胞生长抑制作用,表明77-162毒性很大,IC50远低于0.02μM。
图4和下表显示不同浓度82-220处理A549细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
图5和下表显示不同浓度87-42处理A549细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
图6和下表显示不同浓度75-236处理A549细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
(2)检验不同浓度药物处理对MDA-MB-231细胞生长抑制,实验结果如下。
图7显示不同浓度70-261处理MDA-MB-23172小时后对细胞生长抑制作用,表明70-261毒性很大,IC50远低于0.02μM。
图8和下表显示不同浓度84-102处理MDA-MB-231细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
图9显示不同浓度77-162处理MDA-MB-231细胞72小时后对细胞生长抑制作用,表明77-162毒性很大,IC50远低于0.02μM。
图10和下表显示不同浓度82-220处理MDA-MB-23172小时后对细胞生长抑制作用(IC50的单位为μM)。
图11和下表显示不同浓度87-42处理MDA-MB-231细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
图12和下表显示不同浓度75-236处理MDA-MB-231细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
(3)检验不同浓度药物处理对BT-474细胞生长抑制,实验结果如下。
图13和下表显示不同浓度81-214处理BT-474细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
图14和下表显示不同浓度72-248处理BT-474细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
图15和下表显示不同浓度72-279处理BT-474细胞72小时后对细胞生长抑制作用(IC50的单位为μM)。
试验例2BT-474动物肿瘤模型实验
目的:建立人乳腺癌BT474细胞的NPG小鼠皮下移植瘤模型,考察实施例化合物对皮下移植瘤的抗肿瘤作用。
方法:复苏BT474细胞,进行细胞传代扩增,待扩增至足量细胞数时,收集处于对数生长期的细胞,进行细胞接种。细胞接种前将雌激素缓释片(17β-ESTRADIOL,货号:SE-121,Innovative Research of America)埋植于NPG小鼠颈背部皮下。将浓度为8.4×107个/mL的BT474细胞悬液与基质胶(Matrigel Basement Membrance Matrix,CORNING公司)按1:1体积混合,得到浓度为4.2×107个/mL的细胞悬液,取0.2mL接种于小鼠右侧乳房垫内。在接种后观察肿瘤生长情况,最终筛选得到肿瘤体积为132.04~233.06mm3的30只成瘤动物用于试验。根据瘤体积和体重随机分为5组,分别为:阴性对照组(氯化钠注射液)、81-214组(95.4mg/kg)、81-231组(94.7mg/kg)、76-179组(139.9mg/kg)、74-232组(60.4mg/kg),每组6只。静脉注射,10mL/kg,每3天给药一次,给 药8次。D29动物实施安乐死。试验期间每天2次观察动物一般临床症状,每周进行2次体重和瘤径测量,安乐死后剥取肿瘤,称量肿瘤重量。计算瘤体积、相对肿瘤体积RTV、相对肿瘤增殖率T/C%、瘤重抑制率IRTW%。以给药组相对肿瘤增殖率T/C%≤40%且该组RTV与阴性对照组RTV相比P≤0.05为有效,以IRTW≥60%为有效性辅助参考指标。
结果:整个试验过程中,阴性对照组于D15有1只动物发现死亡,死亡后体重分别为19.3g,死亡原因推测与肿瘤负荷较大有关。各组动物体重均呈逐渐增长的趋势,各组间各时间点未见显著性差异(P>0.05)。
阴性对照组整个试验中,肿瘤逐渐增长,至试验结束时(D29),1组平均瘤体积为2518.14±984.66mm3,平均RTV为13.78±5.44;81-214、81-231、76-179、74-232组的平均肿瘤体积分别为1306.83±613.48mm3、1266.29±278.48mm3、378.59±186.19mm3、2284.75±536.18mm3,平均RTV分别为7.25±2.80、7.12±1.14、2.04±0.79、12.58±2.73。给药后各组平均瘤体积和RTV均降低。76-179组平均瘤体积在D4~D18和RTV在D4~D15显著低于阴性对照组(P≤0.05)。
各组肿瘤增长趋势见图16。
至实验结束时(D29),81-214、81-231、76-179、74-232组T/C%值分别为52.62%、51.70%、14.84%、91.33%,其IRTV%分别为47.38%、48.30%、85.16%、8.67%。76-179组T/C%在D8~D29降至40%以下且RTV在D8~D15与1组比较P≤0.05。
试验结束时,动物安乐死后称量瘤重,阴性对照、81-214、81-231、76-179、74-232组的平均瘤重分别为1.785±0.837g、1.061±0.506g、0.918±0.234g、0.247±0.101g、1.616±0.494g。IRTW%分别为40.57%、48.54%、86.19%、9.48%,76-179组的IRTW%﹥60%。
各组肿瘤重量抑制率示意图见图17。
结论:在本实验条件下,供试品76-179在139.9mg/kg剂量下,81-214在95.4mg/kg剂量下和81-231在94.7mg/kg剂量下,每3天尾静脉注射给药一次,对人乳腺癌BT474细胞的NPG小鼠皮下移植瘤有明显的生长抑制作用,76-179作用最强,而74-232的抑制作用最弱。
实施例3A-549人肺癌和MDA-MB-231人乳腺癌动物肿瘤模型实验
目的:
考察聚乙二醇小分子双药(三药)系列化合物对肺癌(A-549)、乳腺癌(MDA-MB-231)小鼠皮下肿瘤模型的影响。
方法:
对肺癌A-549细胞裸鼠移植瘤模型(皮下瘤)的药效试验:取检疫合格BALB/c-nude裸鼠,右 侧背部皮下注射接种A-549细胞,细胞终浓度为5×107个/ml,体积0.1ml/只。当小鼠平均肿瘤体积达到100mm3左右时,按肿瘤体积随机分为:模型对照组、77-162组、82-220组、74-232组。尾静脉注射给药,模型对照组为生理盐水,77-162组、82-220组和74-232组给药剂量分别为60.1、152.7和60.4mg/kg,给药频率每3天1次,共4次。每天进行动物一般观察,每3天检测体重、肿瘤体积,计算相对肿瘤体积及增殖率,终末取材时对动物外观和肿瘤拍照,检测肿瘤重量,计算肿瘤抑制率。
对乳腺癌MDA-MB-231细胞裸鼠移植瘤模型(皮下瘤)的药效试验:取检疫合格BALB/c-nude裸鼠,右侧背部皮下注射接种MDA-MB-231细胞,细胞终浓度为5×107个/ml,体积0.1ml/只。当小鼠平均肿瘤体积达到100mm3左右时,按肿瘤体积随机分为:模型对照组、77-162组、82-220组、75-209组、87-47组。尾静脉注射给药,模型对照组为生理盐水,77-162组、82-220组、75-209组和87-47组分别为60.1、152.7、62.2和39.7mg/kg,给药频率每3天1次,共4次。每天进行动物一般观察,每3天检测体重、肿瘤体积,计算相对肿瘤体积及增殖率,终末取材时对动物外观和肿瘤拍照,检测肿瘤重量,计算肿瘤抑制率。
结果:
1.对肺癌A-549细胞裸鼠移植瘤模型(皮下瘤)的药效试验
(1)一般观察:接种至给药前,所有动物精神、大体状况良好,肿瘤正常生长、动物排泄以及饮食正常。给药后,模型对照组、77-162组、82-220组及74-232组未见明显异常。
(2)体重(图18):77-162、82-220及74-232动物体重均未见异常变化,提示受试物对动物体重无明显影响。
(3)肿瘤体积、相对肿瘤体积和相对肿瘤增殖率(图19):与模型对照组比较,77-162组、82-220组、74-232组在给药后末次肿瘤体积显著降低。与模型对照组比较,77-162组末次相对肿瘤体积显著降低,D4-D28的相对肿瘤增殖率分别为99.92%、65.35%、80.84%、82.58%、51.08%、50.38%、47.42%、46.75%、40.61%;82-220组末次相对肿瘤体积显著降低,D4-D28的相对肿瘤增殖率分别为85.18%、83.81%、90.40%、35.54%、22.91%、22.07%、16.02%、14.03%、12.09%;74-232量组末次相对肿瘤体积显著降低,D4-D28的相对肿瘤增殖率分别为94.65%、86.64%、94.28%、115.71%、93.96%、106.60%、100.99%、91.56%、71.37%。
(4)肿瘤重量和肿瘤抑制率(图20):与模型对照组相比,77-162组、82-220组、74-232组小鼠瘤重显著降低,抑瘤率分别为60.03%、88.41%、40.52%,均大于40%。
2.对乳腺癌MDA-MB-231细胞裸鼠移植瘤模型(皮下瘤)的药效试验
(1)一般观察:接种至给药前,所有动物精神、大体状况良好,肿瘤正常生长、动物排泄以及饮食正常。给药后,模型对照组、77-162组、82-220组、75-209组、87-47组未见明显异常。
(2)体重(图21):给药治疗后,77-162组、82-220组、75-209组、87-47组体重均未见异常变化,提示受试物对动物体重无明显影响。
(3)肿瘤体积、相对肿瘤体积和相对肿瘤增殖率(图22):与模型对照组比较,77-162组、82-220组、75-209组和87-47组在给药后末次肿瘤体积显著降低。与模型对照组比较,77-162组末次相对肿瘤体积显著降低,D4-D22的相对肿瘤增殖率分别为74.40%、62.28%、58.08%、43.02%、43.01%、36.35%、34.52%;82-220组末次相对肿瘤体积显著降低,D4-D22的相对肿瘤增殖率分别为73.96%、74.33%、56.68%、32.23%、27.08%、28.05%、28.70%;75-209组末次相对肿瘤体积显著降低,D4-D22的相对肿瘤增殖率分别为66.81%、76.80%、76.94%、43.97%、29.78%、28.03%、31.43%;87-47组末次相对肿瘤体积显著降低,D4-D22的相对肿瘤增殖率分别为59.36%、39.59%、16.85%、3.85%、2.20%、1.45%、0.73%。
(4)肿瘤重量和肿瘤抑制率(图23):与模型对照组相比,77-162组、82-220组、75-209组、87-47组小鼠瘤重显著降低,抑瘤率分别为56.60%、72.82%、68.17%、98.88%,均大于40%。
结论:
1.对肺癌A-549细胞裸鼠移植瘤模型(皮下瘤)的药效试验
本试验条件下,制备皮下肺癌(A-549)小鼠模型,77-162、82-220、74-232尾静脉注射给药,给药频率每3天1次,共4次。结果显示,77-162、82-220、74-232在给药后末次肿瘤体积显著降低可显著降低肿瘤体积、相对肿瘤体积、相对肿瘤增殖率、肿瘤重量,肿瘤抑制率>40%,提示77-162、82-220、74-232可用于肺癌治疗。
2.对乳腺癌MDA-MB-231细胞裸鼠移植瘤模型(皮下瘤)的药效试验
本试验条件下,制备皮下乳腺癌(MDA-MB-231)小鼠模型,77-162、82-220、75-209、87-47尾静脉注射给药,给药频率每3天1次,共4次。结果显示,77-162、82-220、75-209、87-47可显著降低肿瘤体积、相对肿瘤体积、相对肿瘤增殖率、肿瘤重量,肿瘤抑制率>40%,提示77-162、82-220、75-209、87-47可用于乳腺癌治疗。
试验例4B16黑色素瘤模型、SAS人口腔鳞状细胞癌模型和MG-63人骨肉瘤模型-BNCT实验
①B16黑色素瘤模型、SAS人口腔鳞状细胞癌模型和MG-63人骨肉瘤模型小鼠的制备和处理
所有的C57BL6/j(雌性,4周龄)小鼠在繁殖条件下适应7天(14小时/10小时的光照和黑暗周期,白天5:00至19:00之间的光照为200Lx,23.5±2.5℃温度,52.5±12.5%湿度。之后,剃去老鼠右后腿的背侧毛发。第二天,在异氟醚麻醉下(2-2.5%,环境空气),在小鼠右大腿皮下接种B16-F10细胞、SAS人口腔鳞状癌细胞和MG-63人骨肉瘤细胞(107细胞/ml;50μL/小鼠)。让肿瘤生长7天,然后随机分为对照组和实验组。肿瘤的体积(V)通过以下公式估算:
V=a×b2/2
其中a和b分别是肿瘤的长轴和短轴,由游标卡尺确定。在照射当天(第0天),所有小鼠的平均肿瘤体积约为80mm3,这被视为初始肿瘤体积(V0)。所有皮下注射均为颈部背侧,均使用带有27号针头的注射器。所有动物实验均按照提交的动物实验计划进行,均由动物伦理委员会审查批准。
②B16黑色素瘤模型、SAS人口腔鳞状细胞癌模型和MG-63人骨肉瘤模型的硼中子俘获疗法(BNCT)研究
B16黑色素瘤模型、SAS人口腔鳞状细胞癌模型和MG-63人骨肉瘤模型小鼠各分为6组,每组6只小鼠。分别进行皮下注射用生理盐水和化合物76-258、88-206、72-188、86-43、87-35的生理盐水溶液(折算剂量:2mg 10B/kg):生理盐水(2小时)、化合物76-258、88-206、72-188、86-43、87-35(24小时),括号中的小时代表注射和照射之间的时间间隔。通过用高压灭菌胶带固定老鼠的尾巴和大腿,将老鼠放在定制的丙烯酸支架中。这些支架用尼龙搭扣粘在丙烯酸板的孔周围。然后,将丙烯酸板固定在5mm厚的热塑性板上,该热塑性板含有40wt%的6LiF(6Li富集:96%),该热塑性板可提供中子屏蔽。丙烯酸板和热塑性板的中心都有一个圆孔,这样小鼠的右大腿可以拉伸并暴露在这些孔上,通过这些孔,肿瘤被中子照射60分钟,平均速率为3.44±0.22×1012中子/cm2(n=6)。中子源照射后小鼠饲养三周,每周测定肿瘤体积两次,画出肿瘤生长曲线。第三周后将小鼠处死,取出肿瘤块,称取重量,计算癌重抑制率。
③统计分析
使用GraphPad Prism 8软件中提供的学生t检验进行统计分析。小于0.05的p值被认为具有统计学意义。除非另有说明,大多数结果均以平均值±标准差表示。
④实验结论
与生理盐水组比较,化合物76-258、88-206、72-188、86-43、87-35组肿瘤体积和肿瘤块重量均显著变小,具有显著抗肿瘤活性。
尽管本发明的具体实施方式已经得到详细的描述,本领域技术人员将会理解,根据已经公开的所有教导,可以对那些细节进行各种修改和替换,这些改变均在本发明的保护范围之内。本发明的全部范围由所附权利要求及其任何等同物给出。

Claims (49)

  1. 通式I所示化合物或其药学上可接受的盐,
    其中,
    M为含有两个或两个以上(例如,2、3、4、5或6个)相同或不同的杂原子(例如,N、O或S)的烃基,并且M通过所述杂原子与L1和L1’连接;
    各L1独立地选自1端同M相连,2端同L2相连;
    各L1’独立地选自1端同M相连,2端同L3相连;并且,L1和L1’不同;
    x1和x2在每次出现时各自独立地选自0、1、2、3、4、5、6、7、8、9和10;
    各L2独立地选自Lys、Cys、Thr、Ser、Asp或Glu的残基;
    各PEG独立地选自其数均分子量为5k-10k或10k-40k,例如为5k或10k;
    各L3独立地为键或1端同L2或L1’连接,2端同L4连接,其中,各L31和L32独立地选自键和-NH(CH2)x3C(O)-,x3选自0、1、2、3、4、5、6、7、8、9和10,A1选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,r1选自1、2、3、4、5和6;
    各L4独立地为键或1端同L3连接,2端同L5连接,其中,各L41和 L42独立地选自键、-NH(CH2)x4C(O)-、-NH(CH2)x4NH-、-NH((CH2)2O)x4CH2CH2NH-和-C(O)(CH2)x4C(O)-,A2和A3独立地选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,r2和r3各自独立地选自1、2、3、4、5和6;
    各L5独立地为键或选自-NH-、肼基(即,-NH-N=)、氨基酸残基或其衍生物、由2个以上氨基酸组成的多肽片段或其衍生物、-NH(CH2)x5C(O)-、-NH(CH2)x5NH-、-NH((CH2)2O)x5CH2CH2NH-、-NH((CH2)2O)x5CO-、-C(O)(CH2)x5C(O)-、及上述选择的任意组合;或者,
    L4和L5连接形成
    x4和x5在每次出现时各自独立地选自0、1、2、3、4、5、6、7、8、9和10;
    各D独立地选自细胞毒性药物基团,优选地,所述细胞毒性药物选自微管蛋白抑制剂、DNA嵌入剂、DNA拓扑异构酶抑制剂和RNA聚合酶抑制剂;优选地,所述细胞毒性药物选自PTX(紫杉醇)、PCB(帕布惜利布)、SN38(7-乙基-10-羟基-喜树碱)、NPB(Niraparib,MK-4827)、AXT(Axitinib)、LPT(拉帕替尼)、DOX(阿霉素)、Ac-C-PLGLAG-iRGD、叶酸、SB7(SB-743921)、IRN(Irinotecan)、十二氢十二硼酸钠、PPT-iRGD、1,2,3,4,5,6,7,8,9,10,11-十一氢-12-巯基十二硼10烷BSH(Sodium Mercaptododecaborate(10B))、
    各n11和n12独立地选自1、2、3、4、5、6、7、8、9和10;
    各n21和n22独立地选自1、2、3、4、5、6、7、8、9和10;
    各n31和n32独立地选自1、2、3、4、5、6、7、8、9和10;
    各y1和y2独立地选自1、2、3、4、5、6、7、8、9和10。
  2. 权利要求1所述的化合物或其药学上可接受的盐,其中,M为含有2-4个相同或不同的杂原子的C2-10烃基;
    优选地,M为含有2-4个独立选自N和O的杂原子的C2-6饱和烃基;
    优选地,M选自下述结构:
    优选地,M通过N原子和L1’连接,或者M通过O原子和L1’连接,进一步优选地,M通过N原子和L1’连接;
    优选地,n11=1、2或3,且n11≤n12,进一步优选地,n11=1,n12=2、3或4;n11=2,n12=3;或者n11=3,n12=3。
  3. 权利要求1或2所述的化合物或其药学上可接受的盐,其中,各L1和L1’独立地选自
    优选地,L1L1’为
    优选地,L1L1’为
  4. 权利要求1-3任一项所述的化合物或其药学上可接受的盐,其中,各L2独立地为Lys的残基。
  5. 权利要求1-4任一项所述的化合物或其药学上可接受的盐,其中,当L3时,各L31和L32独立地选自键和-NH(CH2)x3C(O)-,x3选自0、1、2、3、4、5和6,A1选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,优选地,A1选自Glu、Asp和GluGlu,r1选自1、2、3、4、5和6;
    优选地,各L3独立地为键或选自下述结构:
    -NH(CH2)2C(O)-、
  6. 权利要求1-5任一项所述的化合物或其药学上可接受的盐,其中,当L4时,各L41和L42独立地选自键、-NH(CH2)x4C(O)-、-NH(CH2)x4NH-和-NH((CH2)2O)x4CH2CH2NH-和-C(O)(CH2)x4C(O)-,各x4独立地选自0、1、2、3、4、5和6,A2和A3独立地选自键、氨基酸残基或其衍生物或者由2个以上氨基酸组成的多肽片段或其衍生物,优选地,各A2和A3独立地选自Lys、Glu、Asp、GluGlu和Glu(Glu)2,r1选自1、2、3、4、5和6;
    优选地,各L4独立地为键或选自下述结构:
    LysNH(CH2)5COGlu(Glu)2、Lys(COC2H4CO)(NH(CH2CH2O)2CH2CH2NH)、-NH(CH2)5COGlu、-NH(CH2)5COGlu(Glu)2、-NH(CH2)5COGlu(Glu(NHCH2CH2NH)2)2、-NH(CH2)5COAsp和、-NH(CH2)5COGlu(Glu(NH(CH2CH2O)2CH2CH2NH)2)2
  7. 权利要求1-6任一项所述的化合物或其药学上可接受的盐,其中,L5中所述氨基酸选自Glu、Gly、Phe、Leu和Cys;优选地,所述由2个以上氨基酸组成的多肽选自GlyPheLeuGly、Glu(Glu(Gly)2)2;优选地,所述衍生物选自酰基化(例如乙酰化)或烷基化(例如甲基化)衍生物;
    优选地,L5选自键、-NH-N=、GlyPheLeuGly、-NH(CH2)x5C(O)-、 -NH((CH2)2O)x5CH2CH2NH-、-NH((CH2)2O)x5CH2CH2NHGlu、-NH(CH2)x5C(O)Glu(Glu(GlyNHN=)2)2、-NH((CH2)2O)x5CO-、-C(O)(CH2)x5C(O)-、-C(O)(CH2)x5C(O)-GlyPheLeuGly-和各x5独立地选自1、2、3、4、5和6;
    优选地,L5选自键、GlyPheLeuGly、-NH(CH2)5C(O)Glu(Glu(GlyNHN=)2)2、-NH(CH2)5C(O)-、-NH((CH2)2O)2CH2CH2NH-、-NH((CH2)2O)2CH2CH2NHGlu、-NH((CH2)2O)2CO-、-C(O)(CH2)2C(O)-、-C(O)(CH2)2C(O)-GlyPheLeuGly-和
  8. 权利要求1-7任一项所述的化合物或其药学上可接受的盐,其中,所述化合物选自:





















  9. 通式II所示的化合物或其药学上可接受的盐,
    其中,Pg1和Pg1’独立地为氢或氨基保护基,并且,Pg1和Pg1’不同;优选地,所述氨基保护基选自烷基类保护基(例如Bn、Trt、DMB或PMB)和烷氧羰基类保护基(例如Boc、Fmoc、Cbz或Teoc;优选地,Pg1为氢,Pg1’为氨基保护基;或者,Pg1为氨基保护基,Pg1’为氢;
    其余基团如权利要求1-8任一项中所定义。
  10. 权利要求9所述的化合物或其药学上可接受的盐,其中所述化合物选自:

  11. 通式III化合物或其药学上可接受的盐,
    其中,各Pg3独立地为氢或选自氨基和羧基保护基,所述氨基保护基选自烷氧羰基类保护基,例如Boc、Fmoc、Cbz或Teoc;所述羧基保护基选自酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯;优选地,各Pg3独立地为氢或羧基保护基,例如酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯,优选叔丁酯或苄酯;优选地,各Pg3相同,优选均为叔丁酯或苄酯;
    Pg4为氢或为L2的侧链保护基,优选地,所述保护基选自氨基保护基和羧基保护基,优选地,所述氨基保护基选自烷氧羰基类保护基,例如Boc、Fmoc、Cbz或Teoc,优选地,所述羧基保护基选自酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯,优选地,Pg4为氨基保护基,优选地,Pg4为Boc或Cbz;
    Pg5为氢或氨基保护基,所述氨基保护基选自烷氧羰基类保护基,例如Boc、Fmoc、Cbz或Teoc;优选地,Pg5为氢或Fmoc;
    其余基团定义如权利要求1-8任一项中所定义。
  12. 权利要求11所述的化合物或其药学上可接受的盐,其中所述化合物选自:


  13. 通式IV化合物或其药学上可接受的盐,
    其中,各Pg6和Pg7独立地为氢或选自氨基保护基,优选地,所述氨基保护基选自烷基类保护基(例如Bn、Trt、DMB或PMB)和烷氧羰基类保护基(例如Boc、Fmoc、Cbz或Teoc);
    其余各基团如权利要求1-8任一项中所定义。
  14. 通式V化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-13任一项中所定义。
  15. 权利要求14所述化合物或其药学上可接受的盐,其中所述化合物选自:
  16. 通式VI所示化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-15任一项中所定义。
  17. 通式VII所示化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-16任一项中所定义。
  18. 权利要求17所述化合物或其药学上可接受的盐,其中所述化合物选自:
  19. 通式VIII所示的化合物或其药学上可接受的盐,
    其中,各Pg2和Pg2’独立地为氢或羧基保护基,优选地,所述羧基保护基选自酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯;
    优选地,Pg2为氢,Pg2’为羧基保护基;Pg2为羧基保护基,Pg2’为氢;或者,Pg2和Pg2’均为羧基保护基(例如,叔丁酯或苄酯),并且,Pg2和Pg2’不同;
    其余基团定义如权利要求1-18任一项中所定义。
  20. 权利要求19所述的化合物或其药学上可接受的盐,其中所述化合物选自:




  21. 通式IX所示化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-20任一项中所定义。
  22. 权利要求21所述的化合物或其药学上可接受的盐,其中所述化合物选自:







  23. 通式X所示化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-22任一项中所定义。
  24. 权利要求23所述化合物或其药学上可接受的盐,其中所述化合物选自:



  25. 通式XI所示化合物或其药学上可接受的盐,
    其中各基团如权利要求1-24任一项中所定义。
  26. 权利要求25所述化合物或其药学上可接受的盐,其中所述化合物选自:

  27. 通式XII所示化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-26任一项中所定义。
  28. 权利要求27所述化合物或其药学上可接受的盐,其中所述化合物选自:

  29. 通式XIII所示化合物或其药学上可接受的盐,
    其中各基团如权利要求1-28任一项中所定义。
  30. 权利要求29所述的化合物或其药学上可接受的盐,其中所述化合物选自:
  31. 通式XIV所示化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-30任一项中所定义。
  32. 权利要求31所述的化合物或其药学上可接受的盐,其中所述化合物选自:
  33. 通式XV所示化合物或其药学上可接受的盐,
    其中,Pg7’为氢或选自氨基和羧基保护基;优选地,所述氨基保护基选自烷基类保护基(例如Bn、 Trt、DMB或PMB)和烷氧羰基类保护基(例如Boc、Fmoc、Cbz或Teoc),所述羧基保护基选自酯类保护基(例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯);
    其余基团如权利要求1-32任一项中所定义。
  34. 权利要求33所述化合物或其药学上可接受的盐,其中所述化合物选自:
  35. 通式XVI所示化合物或其药学上可接受的盐,
    其中各基团如权利要求1-34任一项中所定义。
  36. 权利要求35所述化合物或其药学上可接受的盐,其中所述化合物选自:

  37. 通式XVII所示化合物或其药学上可接受的盐,
    其中,各Pg3’独立地为氢或选自氨基和羧基保护基,所述氨基保护基选自烷氧羰基类保护基,例如Boc、Fmoc、Cbz或Teoc;所述羧基保护基选自酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯;优选地,各Pg3独立地为氢或羧基保护基,例如酯类保护基,例如甲酯、乙酯、叔丁酯、烯丙酯或苄酯,优选叔丁酯或苄酯;优选地,各Pg3相同,优选均为叔丁酯或苄酯;
    其余各基团如权利要求1-36任一项中所定义。
  38. 权利要求37任一项所述的化合物或其药学上可接受的盐,其中所述化合物选自:

  39. 通式XVIII所述化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-38任一项中所定义。
  40. 权利要求39所述的化合物或其药学上可接受的盐,其中,所述化合物选自:

  41. 通式XIX所示化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-40任一项中所定义。
  42. 权利要求41所述的化合物或其药学上可接受的盐,其中所述化合物选自:


  43. 通式XX所示化合物或其药学上可接受的盐,
    其中,各基团如权利要求1-42任一项中所定义。
  44. 权利要求43所述化合物或其药学上可接受的盐,其中所述化合物选自:
  45. 一种药物组合物,其含有治疗和/或预防疾病有效量的权利要求1-8任一项所述的化合物或其药学上可接受的盐;
    优选地,所述组合物还含有一种或多种药学上可接受的辅料;
    优选地,所述药物组合物被制成注射剂的形式。
  46. 一种注射液,其包含权利要求1-8任一项所述的化合物或其药学上可接受的盐、或权利要求45所述的药物组合物;
    优选地,所述注射液以生理盐水作为载体。
  47. 权利要求1-8任一项所述的化合物或其药学上可接受的盐在制备治疗和/或预防疾病(例如癌症)的药物中的用途;
    优选地,所述癌症选自:结肠癌、白血病、淋巴瘤、膀胱癌、骨癌、脑瘤、髓母细胞瘤、胶质瘤、乳腺癌、腺瘤/类癌、肾上腺皮质癌、胰岛细胞癌、子宫颈癌、子宫内膜癌、卵巢癌、结肠直肠癌、 皮肤癌、食管癌、眼癌、胆囊癌、胃癌、头颈癌、肝癌、黑色素瘤、卡波氏肉瘤、肾癌、口腔癌、肺癌、鼻咽癌、神经母细胞瘤、卵巢癌、胰腺癌、甲状腺癌、甲状旁腺阴茎癌、前列腺癌、尿道癌、阴道癌、外阴癌、肛门癌、肉瘤,以及所述癌症的转移。
  48. 权利要求9-44任一项所述的化合物或其药学上可接受的盐在制备药物中的用途,优选地,所述药物选自权利要求1-8任一项所述化合物或其药学上可接受的盐。
  49. 制备权利要求1-8任一项所述通式I化合物的方法,其选自以下路线:
    路线1:
    (1)将式XII化合物与连有活化基团的PEG反应,得到中间体1-1;
    (2)将步骤(1)得到的中间体1-1与反应,得到所述通式I化合物;
    路线2:
    (1)将式IX化合物与连有活化基团的PEG反应,得到中间体2-1;
    (2)将步骤(1)得到的中间体2-1直接与反应,或分步连接的片段(例如,分步连接L3、L4、L5和D,或L3-(L4)n21、L5和D,或L3-(L4)n21、L5-y1D,或L3-(L4-(L5)n31)n21和D),得到中间体2-2;
    (3)将步骤(2)得到的中间体2-2直接与式VI化合物反应,或分步与式IV化合物和所述细胞毒性药物反应,或分步连接L4、L5-y2D,或分步连接L4、L5和D,得到式I化合物;
    或者,调换步骤(2)和步骤(3)的顺序;
    路线3:
    (1)将路线2步骤(1)得到的中间体2-1与式VI化合物反应,得到中间体3-1;
    (2)将步骤(1)得到的中间体3-1与反应,得到所述式I化合物;
    路线4:
    (1)将式X化合物与连有活化基团的PEG反应,得到中间体4-1;
    (2)将步骤(1)得到的中间体4-1与反应,得到中间体4-2,其中,n31’+n31”=n31
    (3)将步骤(2)得到的中间体4-2与H-L5-y2D反应,得到中间体4-3;
    (4)将步骤(3)得到的中间体4-3与H-L5-y1D反应,得到所述式I化合物;
    或者,将步骤(2)中替换为此时将不再进行步骤(4);
    或者,以式XII化合物为原料,进行步骤(1)、(2)和(4),得到所述式I化合物;
    路线5:
    (1)将式XI化合物与连有活化基团的PEG反应,得到中间体5-1;
    (2)将步骤(1)得到的中间体5-1直接与反应或分步连接的片段(例如,分步连接L3、L4、L5和D,或L3-(L4)n21、L5和D,或L3-(L4)n21、L5-y1D,或L3-(L4-(L5)n31)n21和D),得到中间体5-2;
    (3)将步骤(2)得到的中间体5-2与所述细胞毒性药物反应,得到所述式I化合物;
    路线6:
    (1)将式XIV化合物与式VII化合物反应得到中间体6-1;
    (2)将步骤(1)所得中间体6-1与连有活化基团的PEG反应,得到所述式I化合物;
    路线7:
    (1)将式XIII化合物与连有活化基团的PEG反应,得到中间体7-1;
    (2)将步骤(1)所得中间体7-1与H-L4反应,得到中间体7-2;
    (3)将步骤(2)所得中间体7-2与反应,得到中间体7-3;
    (4)将步骤(3)所得中间体7-3与L5-y2Pg7或L5’-y2Pg7反应,得到中间体7-4;
    (5)将步骤(4)所得中间体7-4与所述细胞毒性药物或L5”-y2D反应,得到所述式I化合物; 其中,L5’和L5”连接形成所述L5
    路线8:
    (1)将式XV化合物与连有活化基团的PEG反应,得到中间体8-1;
    (2)将步骤(1)所得中间体8-1与式VI化合物反应,得到中间体8-2;
    (3)将步骤(3)所得中间体8-2与所述细胞毒性药物反应,得到所述式I化合物;
    路线9:
    (1)将式XVII化合物与连有活化基团的PEG反应,得到中间体9-1;
    (2)将步骤(1)得到的中间体9-1与H-L5-y1D反应,得到中间体9-2;
    (3)将步骤(2)得到的中间体9-2与所述细胞毒性药物反应,得到所述通式I化合物;
    路线10:
    (1)将式XIV化合物与式III化合物反应,得到中间体10-1;
    (2)将步骤(1)所得中间体10-1与连有活化基团的PEG反应,得到中间体10-2;
    (3)将步骤(2)所得中间体10-2与H-L4-n32Pg6’反应,得到中间体10-3;
    (4)将步骤(3)所得中间体10-3与H-L5-y2D反应,得所述式I化合物;
    任选地,在进行路线1-10任一步所述反应之前或之后,还包括脱除保护基和/或活化(例如羰基活化)的步骤;
    优选地,其中,PEG活化基团优选为
    其余各化合物及基团如权利要求1-44任一项中所定义。
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