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 PDFInfo
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/10—Alpha-amino-carboxylic acids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal 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
- A61K47/51—Medicinal 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
- A61K47/56—Medicinal 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
- A61K47/59—Medicinal 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
- A61K47/60—Medicinal 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal 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
- A61K47/51—Medicinal 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
- A61K47/62—Medicinal 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
- A61K47/64—Drug-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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/40—Polyamides 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
Description
Claims (49)
- 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。 - 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。 - 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,L1为L1’为优选地,L1为L1’为
- 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。
- 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为时,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)-、
- 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为时,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。
- 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
- 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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。 - 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:
- 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。 - 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。 - 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:
- 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。
- 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。
- 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。
- 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。
- 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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| CN104987504A (zh) * | 2015-04-23 | 2015-10-21 | 南京明臻医药科技有限公司 | 聚乙二醇化拉帕替尼及其注射剂和制备方法 |
| CN112851928A (zh) * | 2019-11-28 | 2021-05-28 | 重庆阿普格雷生物科技有限公司 | 一种聚乙二醇偶联药物、其制备方法及用途 |
| CN112843242A (zh) * | 2019-11-28 | 2021-05-28 | 重庆阿普格雷生物科技有限公司 | 一种聚乙二醇偶联药物、其制备方法及应用 |
| CN112915210A (zh) * | 2019-12-06 | 2021-06-08 | 重庆阿普格雷生物科技有限公司 | 一种聚乙二醇偶联药物、其制备方法及应用 |
| CN113995847A (zh) * | 2020-07-28 | 2022-02-01 | 重庆阿普格雷生物科技有限公司 | 聚乙二醇偶联药物、其制备方法及用途 |
| CN113995846A (zh) * | 2020-07-28 | 2022-02-01 | 重庆阿普格雷生物科技有限公司 | 聚乙二醇偶联药物增效剂、其制备方法及用途 |
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