WO2024153202A1 - 一种作为治疗神经系统疾病和肿瘤的多环化合物 - Google Patents
一种作为治疗神经系统疾病和肿瘤的多环化合物 Download PDFInfo
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- WO2024153202A1 WO2024153202A1 PCT/CN2024/073112 CN2024073112W WO2024153202A1 WO 2024153202 A1 WO2024153202 A1 WO 2024153202A1 CN 2024073112 W CN2024073112 W CN 2024073112W WO 2024153202 A1 WO2024153202 A1 WO 2024153202A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
- A61P25/16—Anti-Parkinson drugs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- A61P35/02—Antineoplastic agents specific for leukemia
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
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- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
Definitions
- the present invention belongs to the technical field of pharmaceutical chemistry, and specifically relates to a compound containing spirocyclic and cyclocyclic structures which can be used to treat nervous system diseases and tumors (including brain gliomas) and a preparation method thereof.
- Microtubules are important components of the cytoskeleton and are responsible for important physiological functions such as cell proliferation, maintaining cell morphology and intracellular material transport.
- central nervous system its main functional cell neurons are a specific type of cell that no longer undergo mitosis and have a polarized cell morphology.
- the axons that transmit nerve signals outward rely on the rapid transport tracks formed by cytoskeletal proteins such as microtubules to achieve rapid transmission of intracellular substances between the cell body and nerve endings. Under pathological conditions, the composition and function of microtubules change, and they participate in the pathological process of many important diseases.
- Alzheimer's disease there are two typical pathological manifestations, namely the aggregation of ⁇ -amyloid protein (A ⁇ ) and Tau protein.
- a ⁇ ⁇ -amyloid protein
- Tau Tau protein
- Tubulin stabilizers can promote the binding of Tau protein to tubulin, improve the transport and function of vesicles involved in the protein quality control system in cells, and reduce the formation of neurofibrillary tangle deposition by tau. Therefore, they can be used to treat Alzheimer's disease and other neurodegenerative diseases, such as Huntington's disease, Alzheimer's disease, Parkinson's disease, frontotemporal dementia, multiple sclerosis and traumatic nerve injury.
- glioma malignant tumor in the central nervous system that is highly malignant and has a poor therapeutic effect
- This type of disease generally occurs in proliferating glial cells in the brain.
- disordered cell proliferation causes diseased glial cells to develop into malignant cancer cells. Therefore, microtubule stabilizers that can pass through the blood-brain barrier, specifically affect the malignant proliferation of glial cells, and are relatively harmless to neuronal cells also have strong application prospects for this type of central nervous system diseases.
- the present invention finds that a new class of compounds containing spirocyclic and cyclocyclic structures have unexpectedly high microtubule protein stability
- the object of the present invention is to provide a novel compound containing a spiro ring and a cyclopentane structure and having high tubulin stabilizing activity.
- Another object of the present invention is to provide a method for preparing the compound.
- the first aspect of the present invention provides a compound of general formula (I) or its stereoisomer or tautomer, or a pharmaceutically acceptable salt or prodrug thereof:
- Ar is:
- R 1 is C 1 -C 10 alkyl, C 1 -C 10 haloalkyl, C 3 -C 10 cycloalkyl, C 3 -C 10 heterocyclyl, C 3 -C 10 halocycloalkyl or R 1 is:
- R 1a and R 1b are independently hydrogen, C 1 -C 10 alkyl, C 1 -C 10 haloalkyl, C 3 -C 10 cycloalkyl, C 3 -C 10 halocycloalkyl, C 7 -C 11 spiroalkane, C 5 -C 10 heterocyclic spirocycle, aryl, heteroaryl;
- R2 is hydrogen
- R 3 and R 4 are independently hydrogen, F, Cl, Br;
- Ra and each Rb are each independently hydrogen, substituted or unsubstituted C1 - C10 alkyl, substituted or unsubstituted C3 -C10 cycloalkyl, substituted or unsubstituted C2 - C10 alkenyl, substituted or unsubstituted C6 - C20 aryl, or substituted or unsubstituted C3 - C14 heteroaryl;
- Ra and Rb may form a three- to eight -membered ring or a four- to eight-membered heterocyclic ring together with the carbon atom to which they are attached, wherein the heteroatom may be sulfur, oxygen, NH or NR e ;
- R c and each R d are independently hydrogen, C 1 -C 10 alkyl, C 3 -C 10 cycloalkyl, C 2 -C 10 alkenyl, C 6 -C 20 aryl, C 3 -C 14 heteroaryl; R c and R d may be substituted by one or more groups selected from the group consisting of halogen, hydroxy, amino, nitro, cyano, aldehyde, carboxyl, alkoxy, -CF 3 , -SF 5 .
- R c and R d may form a three- to eight-membered ring or a four- to eight-membered heterocyclic ring together with the nitrogen atom to which they are attached, wherein the heteroatom may be sulfur, oxygen, NH or NR e ;
- Re is hydrogen, C1 - C6 alkyl , -( CRaRb ) n - C3 - C6 cycloalkyl, -( CRaRb ) n -aryl, -( CRaRb ) n -heteroaryl; Re may be substituted by one or more groups selected from the group consisting of halogen, hydroxy, amino, nitro, cyano, aldehyde, carboxyl, alkoxy, -CF3 , -SF5 .
- Y is H, halogen, OR e , -(CR a R b ) m -CO 2 H, -(CR a R b ) m -CO(CR a R b ) n -NR a R b , C 1 -C 6 Alkyl, -(CR a R b ) n -C 3 -C 6 cycloalkyl, -(CR a R b ) n -aryl, -(CR a R b ) n -heteroaryl, -(CR a R b ) n -NR c R d , -O(CR a R b ) n -NR c R d , -S(CR a R b ) n -NR c R d , -NR e (CR a R b ) n -NR c R d , -(CR a R b
- n and n are independently 0 or an integer from 1 to 6;
- X and Z are independently C(R 5 ) or N;
- R5 is hydrogen, OH, CN, halogen , NRcRd , C1 - C10 alkyl, C1 - C10 haloalkyl, -( CRaRb ) n - C3 - C10 cycloalkyl , -( CRaRb ) n - C3 - C10 halocycloalkyl, -( CRaRb ) n - CO2H , - ( CRaRb ) n- CONRcRd ;
- Ar is:
- W in the general formula (I) is a chemical bond or O.
- W in the general formula (I) is -C ⁇ C-.
- X in the general formula (I) is N or CH.
- Y in the general formula (I) is H, C 1 -C 6 alkyl, C 1 -C 6 fluoroalkyl, -C 3 -C 6 cycloalkane, -(CR a R b ) n -NR c R d , -SO 2 R a , -SO 2 NR c R d , -CONR c R d , aryl or heteroaryl.
- the compound of general formula (I) is as shown in general formula (II):
- X 1 is Cl, methyl, CF 3 , ethyl or cyclopropyl
- W, Z, X, Y and heterocyclic ring A are defined as described in the general formula (I).
- the compound of general formula (I) is as shown in general formula (III):
- X1 is Cl, methyl, ethyl or cyclopropyl, and the heterocyclic rings A, W, Z, X and Y are defined as described in the general formula (I);
- R 1a is CF 3 ,
- the compound of general formula (I) is as shown in general formula (IV):
- the compound of general formula (I) is as shown in general formula (V):
- the compound of general formula (I) is as shown in general formula (VI):
- the compound of general formula (I) is as shown in general formula (VII):
- the compound of general formula (I) is as shown in general formula (VIII):
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Ra , Rb , Rc , Rd and Re are as defined in the general formula (I);
- the compound of general formula (I) is as shown in general formula (XI):
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Ra , Rb , Rc , Rd and Re are as defined in the general formula (I);
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Ra , Rb , Rc , Rd and Re are as defined in the general formula (I);
- the compound of general formula (I) is as shown in general formula (VIV):
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Ra , Rb , Rc , Rd and Re are as defined in the general formula (I);
- the compound of general formula (I) is as shown in general formula (XV):
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Ra , Rb , Rc , Rd and Re are as defined in the general formula (I);
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Y is as defined in the general formula (I);
- Ra , Rb , Y and Re are as defined in the general formula (I), and n is 0 or an integer from 1 to 6;
- Ra , Rb , Y and Re are as defined in the general formula (I), and n is 0 or an integer from 1 to 6.
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Y is as defined in the general formula (I);
- Ra , Rb , Y and Re are as defined in the general formula (I), and n is 0 or an integer from 1 to 6; n is 0 or an integer from 1 to 6.
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Y is as defined in the general formula (I);
- R 1a is CF 3 ,
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Y is as defined in the general formula (I);
- R 1a is CF 3 ,
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Y is as defined in the general formula (I);
- R 1a is CF
- X1 is Cl, methyl, CF3 , ethyl or cyclopropyl
- Y is as defined in the general formula (I);
- R 1a is CF 3 ,
- the stereoisomers are cis-trans isomers.
- the compound is a racemate.
- the stereoisomers are enantiomers.
- any one or more hydrogens in the compound may be replaced by deuterium.
- the pharmaceutically acceptable salt is selected from the following group: hydrochloride, hydrobromide, sulfate, phosphate, methanesulfonate, trifluoromethanesulfonate, benzenesulfonate, p-toluenesulfonate (toluenesulfonate), 1-naphthalenesulfonate, 2-naphthalenesulfonate, acetate, trifluoroacetate, malate, tartrate, citrate, lactate, oxalate, succinate, fumarate, maleate, benzoate, salicylate, phenylacetate, and mandelate.
- the compound of the general formula (I) of the present invention can be obtained by the following preparation method, comprising the following steps:
- R is C 1 -C 6 alkyl or C 1 -C 6 haloalkyl;
- Ar, X, W, Z and Y are as defined above.
- R is OH or (RO) 2 is (OCMe 2 CMe 2 O); Ar, R 1 , R 2 , X, W, Z, and Y are as defined above.
- the base can be selected from the following group: alkali metal hydroxides, alkaline earth metal hydroxides, alkali metal hydrides, alkaline earth metal hydrides, alkali metal carbonates (hydrogen), alkaline earth metal carbonates, bis (trimethylsilyl) amino alkali metal salts, pyridine, triethylamine, diisopropylethylamine and the like.
- the acid can be selected from the following group: hydrochloric acid, sulfuric acid, trifluoroacetic acid, formic acid and the like.
- the reducing agent can be selected from the following group: lithium aluminum hydride, sodium borohydride, sodium cyanoborohydride, lithium borohydride, borane, sodium acetate borohydride and the like.
- the palladium catalyst can be selected from the following group: tetrakis(triphenylphosphine)palladium, [1,1'-bis(diphenylphosphino)ferrocene]dichloropalladium dichloromethane complex and the like.
- the copper salt can be selected from the following group: cuprous chloride, cuprous bromide, cuprous iodide, cuprous cyanide and the like.
- the chlorinating agent can be selected from the following group: N-chlorosuccinimide, phosphine oxychloride, thionyl chloride and the like.
- the bromination reagent can be selected from the following group: liquid bromine, N-bromosuccinimide, phosphorus tribromide and the like.
- Another aspect of the present invention provides the use of the compound of the general formula (I) or its stereoisomer or tautomer, or its pharmaceutically acceptable salt or prodrug as described in the first aspect, for:
- the cancer includes but is not limited to: glioma, colon cancer, breast cancer, gastric cancer, lung cancer, colorectal cancer, pancreatic cancer, ovarian cancer, prostate cancer, kidney cancer, liver cancer, brain cancer, melanoma, multiple myeloma, chronic myeloid leukemia, blood tumors, lymphomas, including metastatic lesions in other tissues or organs away from the primary site of the tumor.
- the neurodegenerative diseases include, but are not limited to, Huntington's disease, Alzheimer's disease, Parkinson's disease, multiple sclerosis and traumatic brain injury.
- Another aspect of the present invention provides a pharmaceutical composition, which comprises: other anti-tumor drugs, such as PD-1 antibody, PD-L1 antibody, CTLA-4 antibody and other anti-tumor chemotherapy drugs and targeted drugs.
- other anti-tumor drugs such as PD-1 antibody, PD-L1 antibody, CTLA-4 antibody and other anti-tumor chemotherapy drugs and targeted drugs.
- C 1 -C 10 alkyl refers to a monovalent saturated aliphatic hydrocarbon group having 1 to 10 carbon atoms, including straight-chain and branched hydrocarbon groups, such as methyl (i.e., CH 3 -), ethyl (i.e., CH 3 CH 2 -), n-propyl (i.e., CH 3 CH 2 CH 2 -), isopropyl (i.e., (CH 3 ) 2 CH-), n-butyl (i.e., CH 3 CH 2 CH 2 - ), isobutyl (i.e., (CH 3 ) 2 CHCH 2 -), sec-butyl (i.e., (CH 3 )(CH 3 CH 2 )CH-), tert-butyl (i.e., (CH 3 ) 3 C-), n -pentyl (i.e., CH 3 CH 2 CH 2 CH 2 -), neopentyl (i.e., ((CH 3
- substituted or unsubstituted means that the group may be unsubstituted, or H in the group may be substituted with one or more (preferably 1 to 6, more preferably 1 to 3) substituents.
- substituted or “substituted” means that the group has one or more (preferably 1-6, more preferably 1-3) substituents selected from the group consisting of halogen, hydroxy, -NH2 , nitro, -CN, C1 - C6 alkyl, C1 - C6 haloalkyl , C1-C6 alkoxy, C3-C6 cycloalkyl, C2-C6 alkenyl, C2-C6 alkynyl , phenyl , benzyl , C1 - C6 alkylS(O) 2- , ( C0 - C6 alkyl) 2NS (O) 2- , C1 - C6 alkylC(O)-, C3 - C6 cycloalkylC(O)-, C0 - C6 alkylOC(O)-, ( C0 - C6 alkyl) 2NC (O)-, C0 - C6
- alkoxy refers to -O-alkyl, wherein the alkyl may be saturated or unsaturated, branched, linear, or cyclic.
- the alkoxy has 1-10 carbon atoms, i.e., C 1 -C 10 alkoxy, preferably 1-6 carbon atoms.
- Representative examples include (but are not limited to): methoxy, ethoxy, propoxy.
- C6 - C20 aryl refers to a monovalent aromatic carbocyclic group of 6 to 20 (preferably 6-14) carbon atoms, which has a single ring (such as phenyl) or a condensed ring (such as naphthyl or anthracenyl). If the point of attachment is on the aromatic carbon atom, the condensed ring may be non-aromatic (such as 2-benzoxazolone, 2H-1,4-benzoxazin-3(4H)-on-7-yl, etc.).
- Preferred aryl groups include phenyl and naphthyl. The term includes substituted or unsubstituted forms, wherein the substituents are as defined above.
- alkenyl groups include vinyl, allyl, and but-3-enyl.
- C 3 -C 10 cycloalkyl refers to a cyclic alkyl group having 3 to 10 carbon atoms, having a single ring or multiple rings (including fused systems, bridged cycloalkane systems and spirocycloalkane systems).
- one or more rings may be cycloalkyl, heterocyclic, aryl or heteroaryl, as long as the point of attachment is through the ring of the cycloalkyl.
- suitable cycloalkyl groups include, for example, adamantyl, cyclopropyl, cyclobutyl, cyclopentyl and cyclooctyl.
- Spirocycloalkane or “spirocycloalkyl” refers to a 5 to 20-membered polycyclic group with one carbon atom (called a spiro atom) shared between the single rings, which may contain one or more double bonds, preferably 6 to 14 members, more preferably 7 to 10 members (e.g., 7, 8, 9 or 10).
- halo or halogen refers to fluorine, chlorine, bromine and iodine.
- heteroaryl refers to an aromatic group having 1 to 10 carbon atoms and 1 to 4 heteroatoms selected from oxygen, nitrogen and sulfur in the ring.
- C 3 -C 20 heteroaryl means a heteroaryl having 3-20 carbon atoms and 1 to 4 heteroatoms selected from oxygen, nitrogen and sulfur. Others are similar.
- heteroaryl groups can be monocyclic (such as pyridyl or furanyl) or fused rings (such as indolizinyl or benzothienyl), wherein the fused rings can be non-aromatic and/or contain one heteroatom, as long as the point of attachment is through the atom of the aromatic heteroaryl group.
- the ring atoms nitrogen and/or sulfur of the heteroaryl group are optionally oxidized to N-oxide (NO), sulfinyl or sulfonyl.
- Preferred heteroaryl groups include pyridyl, pyrrolyl, indolyl, oxazolyl, thiazolyl, pyrazolyl, imidazolyl, triazolyl, tetrazolyl, thienyl and furanyl.
- the term includes substituted or unsubstituted heteroaryl groups.
- substituted heteroaryl refers to a heteroaryl group substituted with 1 to 5, preferably 1 to 3, more preferably 1 to 2 substituents selected from the same substituents as defined for substituted aryl.
- heterocycle or “heterocyclic” or “heterocycloalkyl” or “heterocyclyl” refers to a saturated, partially saturated or unsaturated group (but not aromatic), having a single ring or a condensed ring (including spirocyclic hydrocarbon groups, fused hydrocarbon groups, bridged hydrocarbon groups, monocyclic heterocyclic groups, spirocyclic heterocyclic groups, fused heterocyclic groups or bridged heterocyclic groups), having 1 to 10 carbon atoms and 1 to 4 (such as 3) heteroatoms selected from nitrogen, sulfur or oxygen in the ring, and in the condensed ring system, one or more rings can be cycloalkyl, aryl or heteroaryl, as long as the point of attachment is through a non-aromatic ring.
- Heterocyclic spirocyclic compounds are formed by replacing carbon atoms of carbocyclic spirocyclic compounds with heteroatoms (such as O, S, N or NR e )).
- heteroatoms such as O, S, N or NR e
- the nitrogen atom and/or sulfur atom of the heterocyclic group is optionally oxidized to provide N-oxide, sulfinyl and sulfonyl moieties.
- substituted heterocyclic or “substituted heterocycloalkyl” or “substituted heterocyclyl” refers to a heterocyclic group substituted with 1 to 5 (e.g., 1 to 3) substituents, the substituents being the same as those defined for substituted cycloalkyl.
- stereoisomer refers to compounds that differ in the chirality of one or more stereocenters. Stereoisomers include enantiomers and diastereomers.
- the monocyclic hydrocarbon group, spirocyclic hydrocarbon group, fused hydrocarbon group, bridged hydrocarbon group, monocyclic heterocyclic group, spirocyclic heterocyclic group, fused heterocyclic group or bridged heterocyclic group has 5-20 ring skeleton atoms.
- the heteroatoms can be 1 to 4 (e.g., 3) heteroatoms selected from nitrogen, sulfur or oxygen.
- Prodrug refers to any derivative of an Example compound that, when administered to a subject, is capable of providing, directly or indirectly, an Example compound or its active metabolite or residue.
- Particularly preferred derivatives and prodrugs are those that, when administered to a subject, increase the bioavailability of an Example compound (e.g., an orally administered compound is more readily absorbed into the blood) or increase the delivery of the parent compound to biological compartments (e.g., the brain or lymphatic system) relative to the parent species.
- Prodrugs include ester forms of the compounds of the invention.
- compound of the present invention refers to a compound of the general formula (I), a racemate thereof, a stereoisomer thereof or a tautomer thereof, or a prodrug thereof, or a pharmaceutically acceptable salt thereof.
- the present invention relates to: racemic mixtures of these compounds, mixtures enriched in any one enantiomer, and any separated enantiomer.
- the racemic mixture refers to a mixture of two R and S enantiomers at 50%:50%.
- the separated enantiomer should be understood as a pure enantiomer (i.e. 100%) or a mixture highly enriched in a certain enantiomer (purity ⁇ 98%, ⁇ 95%, ⁇ 93%, ⁇ 90%, ⁇ 88%, ⁇ 85%, ⁇ 80%).
- the present invention includes all stereoisomers of the compounds.
- the present invention includes all tautomers of the compounds.
- the present invention also includes deuterated compounds produced by replacing any one or more hydrogen atoms in the compounds with its stable isotope deuterium.
- the present invention also provides a pharmaceutical composition, which comprises an active ingredient within a safe and effective amount range and a pharmaceutically acceptable carrier.
- active ingredient refers to the compound of general formula (I) described in the present invention or its stereoisomer or tautomer, or its pharmaceutically acceptable salt or prodrug.
- the pharmaceutical composition contains 1-2000 mg of active ingredient per dose, more preferably, 10-200 mg of active ingredient per dose.
- the "one dose” is one tablet.
- “Pharmaceutically acceptable carrier” refers to: one or more compatible solid or liquid fillers or gel substances, which are suitable for human use and must have sufficient purity and sufficiently low toxicity. "Compatibility” here means that the components in the composition can be mixed with the active ingredients of the present invention and with each other without significantly reducing the efficacy of the active ingredients.
- the compounds of the preferred embodiments of the present invention can be administered as a single active agent or in combination with one or more other agents used to treat cancer.
- the compounds of the preferred embodiments of the present invention are also effective in combination with known therapeutic agents and anticancer agents, and combinations of currently known compounds and other anticancer agents or chemotherapeutic agents are within the scope of the preferred embodiments. Examples of such agents can be found in Cancer Principles and Practice of Oncology, V.T. Devita and S. Hellman (eds.), 6th edition (February 15, 2001), Lippincott Williams & Wilkins Publishers. Based on the specific properties of the drugs and the cancer involved, one of ordinary skill in the art will be able to discern effective combinations of agents.
- anticancer agents include (but are not limited to) the following: estrogen receptor modulators, androgen receptor modulators, retinoid receptor modulators, cytotoxic/cytostatic agents, antiproliferative agents, isopentenyl protein transferase inhibitors, HDAC inhibitors, HMG-CoA reductase inhibitors and other angiogenesis inhibitors, cell proliferation and survival signal inhibitors, apoptosis inducers and agents that interfere with cell cycle checkpoints, CTLA4 antibodies, PD-1 antibodies, PD-L1 antibodies, etc.
- the compounds of the preferred embodiments are also effective when administered simultaneously with radiation therapy.
- the compounds of the preferred embodiments will be administered in a therapeutically effective amount, by any acceptable mode of administration of a medicament having a similar effect.
- the actual dosage of the compounds (i.e., active ingredients) of the preferred embodiments is determined according to a number of factors, such as the severity of the disease to be treated, the age and relative health of the patient, the efficacy of the compound used, the route and form of administration, and other factors.
- the drug can be administered multiple times a day, preferably once or twice a day. All of these factors are within the consideration of the attending physician.
- the therapeutically effective dose can generally be a total daily dose administered to the patient once or in divided doses, for example, about 0.001 to about 1000 mg/kg body weight per day, preferably, about 1.0 to about 30 mg/kg body weight per day.
- the unit dose composition may contain its dosage factors to form a daily dose. The choice of dosage form depends on various factors, such as the mode of administration and the bioavailability of the drug substance.
- the compounds of the preferred embodiments can be administered as pharmaceutical compositions by any of the following routes: oral, systemic administration (such as transdermal, intranasal or by suppository), or parenteral administration (such as intramuscular, intravenous or subcutaneous).
- the preferred mode of administration is oral, and a convenient daily dose can be adjusted according to the degree of bitterness.
- the composition can take the form of tablets, pills, capsules, semisolids, powders, sustained-release preparations, solutions, suspensions, elixirs, aerosols or any other appropriate composition.
- Another preferred way to administer the compounds of the preferred embodiments is by inhalation. This is an effective method for delivering therapeutic agents directly to the respiratory tract (see, e.g., U.S. Pat. No. 5,607,915).
- Suitable pharmaceutically acceptable carriers or excipients include: such as treating agents and drug delivery modifiers and promoters, such as calcium phosphate, magnesium stearate, talc, monosaccharides, disaccharides, starch, gelatin, cellulose, sodium methylcellulose, carboxymethylcellulose, glucose, hydroxypropyl-B-cyclodextrin, polyvinylpyrrolidone, low melting point wax, ion exchange resins, etc., and any combination of two or more thereof.
- Liquid and semisolid excipients can be selected from glycerol, propylene glycol, water, ethanol and various oils, including petroleum, animal oils, vegetable oils or synthetic sources, such as peanut oil, soybean oil, mineral oil, sesame oil, etc.
- Preferred liquid carriers especially carriers for injectable solutions, include water, saline, aqueous glucose solutions and ethylene glycol.
- Other suitable pharmaceutically acceptable excipients are described in Remington’s Pharmaceutical Sciences, Mack Pub. Co., New Jersey (1991), which is incorporated herein by reference.
- the term "pharmaceutically acceptable salt” refers to a non-toxic acid or alkaline earth metal salt of a compound of formula (I). These salts can be prepared in situ during the final separation and purification of the compound of formula (I), or by reacting a suitable organic or inorganic acid or base with a basic or acidic functional group, respectively.
- Representative salts include, but are not limited to: acetate, adipate, alginate, citrate, aspartate, benzoate, benzenesulfonate, bisulfate, butyrate, camphorate, camphorsulfonate, digluconate, cyclopentanepropionate, dodecyl sulfate, ethanesulfonate, glucose heptanoate, glycerophosphate, hemisulfate, heptanoate, hexanoate, fumarate, hydrochloride, hydrobromide, hydroiodide, 2-hydroxyethanesulfonic acid Salts, lactates, maleates, methanesulfonates, nicotinates, 2-naphthylsulfonates, oxalates, pamoates, pectinates, thiocyanates, 3-phenylpropionates, picrates, pivalates, propionates,
- nitrogen-containing basic groups can be quaternized by alkyl halides, such as chlorides, bromides and iodides of methyl, ethyl, propyl, butyl; dialkyl sulfates, such as dimethyl, diethyl, dibutyl and diamyl sulfates; long chain halides, such as chlorides, bromides and iodides of decyl, lauryl, myristyl and stearyl; aralkyl halides, such as benzyl and phenethyl bromides, etc. Water-soluble or oil-soluble or dispersible products are obtained.
- alkyl halides such as chlorides, bromides and iodides of methyl, ethyl, propyl, butyl
- dialkyl sulfates such as dimethyl, diethyl, dibutyl and diamyl sulfates
- long chain halides such as chlorides,
- Base addition salts can be prepared in situ when the compound of formula I is finally separated and purified, or the carboxylic acid moiety is reacted with a suitable base (such as a pharmaceutically acceptable metal cation hydroxide, carbonate or bicarbonate) or ammonia, or an organic primary, secondary or tertiary amine.
- Pharmaceutically acceptable salts include, but are not limited to, cations based on alkali metals and alkaline earth metals, such as sodium, lithium, potassium, calcium, magnesium, aluminum salts, etc., and non-toxic ammonium, quaternary ammonium and amine cations, including, but not limited to: ammonium, tetramethylammonium, tetraethylammonium, methylamine, dimethylamine, trimethylamine, triethylamine, ethylamine, etc.
- Other representative organic amines for forming base addition salts include diethylamine, ethylenediamine, ethanolamine, diethanolamine, piperazine, etc.
- the term "pharmaceutically acceptable prodrug” refers to prodrugs of the compounds of the preferred embodiments that are rapidly converted in vivo to the parent compound of the general formula above, for example, by hydrolysis in the blood.
- pharmaceutically acceptable prodrug refers to prodrugs of the compounds of the preferred embodiments that are rapidly converted in vivo to the parent compound of the general formula above, for example, by hydrolysis in the blood.
- the present invention is beneficial in that:
- the compounds of the present invention can be used as highly effective microtubule stabilizers
- HPLC-MS analysis was performed on a Waters HPLC 2767 using a Waters QDA (KBD5205) as a mass detector and a Waters 2489 UV as a detector.
- the chromatographic column used was MS C 18 OBD TM Column (5 ⁇ m, 19 ⁇ 100 mm).
- the mobile phase is eluent A (water, 1.0 ⁇ FA) and eluent B (CH 3 CN), and the elution rate is 20 ml/min.
- the initial condition is 95% A for 0.5 min, then 95% A linearly decreases to 40% A within 8.5 min, maintains 40% A from 8.5 min to 10.5 min, and then A rises back to 95% within 1.5 min.
- the total running time is 12 min. According to the properties of the compound, the mobile phase gradient and running time can be adjusted appropriately.
- the above product (10.47 g) is washed with tetrahydrofuran (51.0 To the reaction system, acetyl chloride (4.1 mL) was added, and the reaction was continued at room temperature for 5 hours. Water was added and extracted with ethyl acetate. The organic phase was dried over anhydrous sodium sulfate, filtered, and concentrated to obtain a crude product.
- Step 2 7-Chloro-5-methyl-6-(2,4,6-trifluorophenyl)-[1,2,4]triazolo[1,5-a]pyrimidine 1A
- Tert-butyl cis-5-oxohexahydrocyclopentadienyl[c]pyrrole-2(1H)-carboxylate 16 (1.0 g) was dissolved in 10 mL of methanol, sodium borohydride (251.83 mg) was added at zero degree, and the mixture was reacted for 2 hours. Saturated brine was added, and the mixture was extracted with dichloromethane. The organic phase was dried over anhydrous sodium sulfate, filtered, and concentrated to obtain a viscous substance.
- Step 1 tert-butyl (3aR,5s,6aS)-5-((4-nitrobenzoyl)oxy)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate 18
- Step 1 (R)-tert-butyl 6-(4-(5-chloro-7-((3-methylbutan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)-2-azaspiro[3.3]heptane-2-carboxylate 22
- Step 2 (R)-6-(4-((2-azaspiro[3.3]hept-6-yl)oxy)-2,6-difluorophenyl)-5-chloro-N-(3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 23
- the intermediate 22 was dissolved in dichloromethane (2.77 mL), trifluoroacetic acid (0.89 mL) was added at zero degrees, the reaction was allowed to react at room temperature for 2 hours, quenched with saturated sodium bicarbonate solution, extracted with dichloromethane, the organic phases were combined, dried over anhydrous sodium sulfate, filtered, and concentrated to give a crude product which was purified by Pre-HPLC (eluent: acetonitrile and water containing 1 ⁇ formic acid) to give the target compound 23 (80.0 mg) as a white powder.
- Pre-HPLC eluent: acetonitrile and water containing 1 ⁇ formic acid
- Step 1 (S)-6-(4-(5-chloro-7-((1,1,1-trifluoropropan-2-yl)amino-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)-2-azaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester 25
- Step 2 (S)-6-(4-((2-azaspiro[3.3]hept-6-yl)oxy)-2,6-difluorophenyl-5-chloro-N-(1,1,1-trifluoropropan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 26
- Step 1 (R)-tert-butyl 2-(4-(5-chloro-7-((3-methylbutan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)-7-azaspiro[3.5]nonane-7-carboxylate 29
- intermediate 29 (159.0 mg) was obtained as a white powder under the same conditions as the first step of Example 1.
- Step 2 (R)-6-(4-((7-azaspiro[3.5]nonan-2-yl)oxy)-2,6-difluorophenyl)-5-chloro-N-(3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 30
- Step 1 (S)-2-(4-(5-chloro)-7-((1,1,1-trifluoropropan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)-7-azaspiro[3.5]nonane-7-carboxylic acid tert-butyl ester 32
- Step 2 (S)-6-(4-((7-azaspiro[3.5]nonan-2-yl)oxy)-2,6-difluorophenyl)-5-chloro-N-(1,1,1-trifluoropropan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 33
- Step 1 tert-butyl (R)-(6-(4-(5-chloro-7-((3-methylbutyl-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)spiro[3.3]hept-2-yl)(methyl)carbamate
- Step 2 (R)-5-chloro-6-(2,6-difluoro-4-((6-(methylamino)spiro[3.3]hept-2-yl)oxy)phenyl)-N-(3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 36
- Step 1 (S)-tert-butyl (6-(4-(5-chloro-7-((1,1,1-trifluoropropan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)spiro[3.3]hept-2-yl)(methyl)carbamate 38
- Step 2 (S)-5-chloro-6-(2,6-difluoro-4-((6-(methylamino)spiro[3.3]hept-2-yl)oxy)phenyl)-N-(1,1,1-trifluoropropan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 39
- Step 1 tert-butyl (R)-(6-(4-(5-chloro-7-((1-cyclobutylethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)spiro[3.3]hept-2-yl)(methyl)carbamate 41
- Step 2 (R)-5-chloro-N-(1-cyclobutylethyl)-6-(2,6-difluoro-4-((6-(methylamino)spiro[3.3]hept-2-yl)oxy)phenyl))-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 42
- Step 1 tert-butyl (6-(4-(5-chloro-7-((2,2,2-trifluoroethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)spiro[3.3]hept-2-yl)(methyl)carbamate 44
- Step 2 5-Chloro-6-(2,6-difluoro-4-((6-(methylamino)spiro[3.3]hept-2-yl)oxy)phenyl)-N-(2,2,2-trifluoroethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 45
- Step 1 (R)-tert-butyl (2-(4-(7-chloro-5-((3-methylbutyl-2-yl)amino)imidazo[1,2-a]pyrimidin-6-yl)-3,5-difluorophenoxy)spiro[3.5]nonan-7-yl)(methyl)carbamate 47
- Step 2 (R)-5-chloro-6-(2,6-difluoro-4-((7-(methylamino)spiro[3.5]non-2-yl)oxy)phenyl-N-(3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 48
- Step 1 (S)-tert-butyl (2-(4-(5-chloro-7-((1,1,1-trifluoropropyl-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)spiro[3.5]nonan-7-yl)(methyl)carbamate 50
- Step 2 (S)-5-chloro-6-(2,6-difluoro-4-((7-(methylamino)spiro[3.5]non-2-yl)oxy)phenyl)-N-(1,1,1-trifluoro Propan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 51
- Step 1 (1R,5S,6r)-6-((4-(5-chloro-7-(((R)-3-methylbutan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 54
- intermediate 4 (100.0 mg) and (1R,5S,6r)-6-(hydroxymethyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 53 (231.18 mg) as raw materials and sodium hydride (43.35 mg, 60% wt. in mineral oil) as base, intermediate 54 (138.7 mg) was obtained under the same conditions as the first step in Example 1.
- Step 2 6-(4-(((1R,5S,6r)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl)-5-chloro-N-((R)-3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 55
- Step 1 (1R,5S,6r)-6-((4-(5-methyl-7-(((R)-3-methylbutan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 54A
- intermediate 4A (118.7 mg) was obtained under the same conditions as the first step in Example 1.
- Step 2 6-(4-(((1R,5S,6r)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl)-5-methyl-N-((R)-3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 55A
- Step 1 (1R,5S,6r)-6-((4-(5-chloro-7-(((S)-1,1,1-trifluoropropane-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 57
- Step 2 6-(4-(((1R,5S,6r)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl)-5-chloro-N-((S)-1,1,1-trifluoropropan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 58
- Step 1 (1R,5S,6r)-6-((4-(5-chloro-7-(((R)-1-cyclobutylethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 60
- intermediate 6 (100.0 mg) and (1R,5S,6r)-6-(hydroxymethyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 53 (223.85 mg) as raw materials and sodium hydride (42.0 mg, 60% wt. in mineral oil) as base, intermediate 60 (137.3 mg) was obtained under the same conditions as the first step in Example 1.
- Step 2 6-(4-(((1R,5S,6r)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl)-5-chloro-N-((R)-1-cyclobutylethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 61
- Step 1 (1R,5S,6r)-6-((4-(5-methyl-7-(((R)-1-cyclobutylethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 60A
- intermediate 60A (72.4 mg) was obtained under the same conditions as the first step in Example 1.
- Step 2 6-(4-(((1R,5S,6r)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl)-5-methyl-N-((R)-1-cyclobutylethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 61
- Step 1 (1R,5S,6s)-6-((4-(5-chloro-7-(((R)-3-methylbutan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 64
- intermediate 4 (100.0 mg) and (1R,5S,6s)-6-(hydroxymethyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 63 (231.18 mg) as raw materials and sodium hydride (43.35 mg, 60% wt. in mineral oil) as base, intermediate 64 (111.3 mg) was obtained under the same conditions as in the first step of Example 1.
- Step 2 6-(4-(((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl-5-chloro-N-((R)-3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 65
- Step 1 (1R,5S,6s)-6-((4-(5-chloro-7-(((S)-1,1,1-trifluoropropan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 67
- Step 2 6-(4-(((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl))-5-chloro-N-((S)-1,1,1-trifluoropropane-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 68
- Step 1 (1R,5S,6r)-6-((4-(5-chloro-7-((2,2,2-trifluoroethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl))-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 70
- intermediate 70 (134.8 mg) was obtained under the same conditions as the first step in Example 1.
- Step 2 6-(4-(((1R,5S,6r)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl)-5-chloro-N-(2,2,2-trifluoroethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 71
- Step 1 (1R,5S,6r)-6-((4-(5-methyl-7-((2,2,2-trifluoroethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl))-3,5-difluorophenoxy)methyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester 70A
- intermediate 70A (132.8 mg) was obtained under the same conditions as the first step in Example 1.
- Step 2 6-(4-(((1R,5S,6r)-3-azabicyclo[3.1.0]hex-6-yl)methoxy)-2,6-difluorophenyl)-5-methyl-N-(2,2,2-trifluoroethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 71A
- Step 1 (3aR,5r,6aS)-5-(4-(5-chloro-7-(((R)-3-methylbutan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylic acid tert-butyl ester 73
- Step 2 5-chloro-6-(2,6-difluoro-4-(((3aR,5r,6aS)-octahydrocyclopentyl[c]pyrrol-5-yl)oxy)phenyl-N-((R)-3- Methylbutyl-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 74
- Step 1 (3aR,5r,6aS)-5-(((S)-1,1,1-trifluoropropan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylic acid tert-butyl ester 76
- Step 2 5-Chloro-6-(2,6-difluoro-4-(((3aR,5r,6aS)-octahydrocyclopenta[c]pyrrol-5-yl)oxy)phenyl)-N-((S)-1,1,1-trifluoropropane-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 77
- Step 1 (3aR,5s,6aS)-5-(4-(5-chloro-7-(((R)-3-methylbutyl-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylic acid tert-butyl ester 79
- Step 2 (2,6-difluoro-4-(((3aR,5s,6aS)-octahydrocyclopenta[c]pyrrol-5-yl)oxy)phenyl)-N-((R)-3-methylbutyl-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 80
- Step 1 (3aR,5s,6aS)-5-(4-(5-chloro-7-(((S)-1,1,1-trifluoropropan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenoxy)hexahydrocyclopenta[c]pyrrole-2(1H)-carboxylic acid tert-butyl ester 82
- intermediate 82 (115.0 mg) was obtained under the same conditions as the first step in Example 1.
- Step 2 5-Chloro-6-(2,6-difluoro-4-(((3aR,5s,6aS)-octahydrocyclopenta[c]pyrrol-5-yl)oxy)phenyl)-N-((S)-1,1,1-trifluoropropane-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine 83
- Step 1 tert-Butyl (1R,5S,6s)-6-(((R)-3-methylbutan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenyl)ethynyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate 85
- Step 2 6-(4-(((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)ethynyl)-2,6-difluorophenyl)-5-chloro-N-((R)-3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine hydrochloride 86
- Step 1 tert-Butyl (1R, 5S, 6s)-6-((4-(5-chloro-7-(((R)-1-cyclobutylethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenyl)ethynyl)-3-azabicyclo[3.1.0]hexane-3-carboxylic acid 87
- Step 2 6-(4-(((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)ethynyl)-2,6-difluorophenyl)-5-chloro-N-((R)-1-cyclobutylethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine hydrochloride 88
- Step 1 tert-Butyl (1R,5S,6s)-6-((4-(5-chloro-7-(((S)-1,1,1-trifluoropropane-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenyl)ethynyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate 90
- intermediate 5B (100.0 mg) and intermediate 19A (123.5 mg) as raw materials, tetrakis(triphenylphosphine)palladium (22.97 mg) and cuprous iodide (5.675 mg) as catalysts, triethylamine (83.0 ⁇ L) as base, the same synthesis method as in the first step of Example 45 was used to obtain intermediate 90 (122.9 mg) as a yellow oil.
- Step 2 (6-(4-(((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)ethynyl)-2,6-difluorophenyl)-5-chloro-N-((S)-1,1,1-trifluoropropan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine hydrochloride 91
- Example 47 Using Example 47 (29.6 mg) as raw material, sodium acetate borohydride (36.2 mg), and formaldehyde aqueous solution (6.6 ⁇ L, wt. 37%) as reagents, the target compound 92 (25.0 mg) was obtained as a white powder by the same method as Example 2.
- Step 1 tert-Butyl (1R,5S,6s)-6-((4-(5-chloro-7-((2,2,2-trifluoroethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenyl)ethynyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate 93
- Step 2 6-(4-(((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)ethynyl)-2,6-difluorophenyl)-5-chloro-N-(2,2,2-trifluoroethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine hydrochloride 94
- Step 1 tert-Butyl (1R,5S,6s)-6-((E)-4-(5-chloro-7-(((R)-3-methylbutyl-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenylvinyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate 96
- Step 2 6-(4-((E)-2-((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)vinyl)-2,6-difluorophenyl)-5-chloro- N-((R)-3-methylbutan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine hydrochloride 97
- Step 1 tert-Butyl (1R,5S,6s)-6-((E)-4-(5-chloro-7-(((R)-1-cyclobutylethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenylvinyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate 98
- Intermediate 6B (100.0 mg) and intermediate 19B (204.2 mg) were used as raw materials, tetrakis(triphenylphosphine)palladium (23.6 mg) and cuprous iodide (4.0 mg) were used as catalysts, and a method similar to the first step of Example 51 was used to obtain intermediate 98 (127.9 mg) as a yellow oil.
- Step 2 6-(4-((E)-2-((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)vinyl)-2,6-difluorophenyl)-5-chloro-N-((R)-1-cyclobutylethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine hydrochloride 99
- Step 1 tert-Butyl (1R,5S,6s)-6-((E)-4-(5-chloro-7-(((S)-1,1,1-trifluoropropan-2-yl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenylvinyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate 100
- Step 2 6-(4-((E)-2-((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)vinyl)-2,6-difluorophenyl)-5-chloro-N-((S)-1,1,1-trifluoropropan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine hydrochloride 101
- Step 1 tert-Butyl (1R,5S,6s)-6-((E)-4-(5-chloro-7-((2,2,2-trifluoroethyl)amino)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-3,5-difluorophenylvinyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate 102
- Intermediate 7B (120.0 mg) and intermediate 19B (245.1 mg) were used as raw materials, tetrakis(triphenylphosphine)palladium (28.36 mg) and cuprous iodide (4.67 mg) were used as catalysts, and a method similar to the first step of Example 51 was used to obtain intermediate 102 (235.7 mg) as a yellow oil.
- Step 2 6-(4-((E)-2-((1R,5S,6s)-3-azabicyclo[3.1.0]hex-6-yl)vinyl)-2,6-difluorophenyl)-5-chloro-N-(2,2,2-trifluoroethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine hydrochloride 103
- Example 44 Using Example 44 (24.7 mg) as raw material, sodium acetate borohydride (31.9 mg), and formaldehyde aqueous solution (5.83 ⁇ L, wt. 37%) as reagents, the target compound (12.0 mg) was obtained as a white powder by the same method as Example 2.
- Example 52 Using Example 52 (27.1 mg) as raw material, sodium acetate borohydride (34.04 mg), and formaldehyde aqueous solution (6.2 ⁇ L, wt. 37%) as reagents, the target compound (20.0 mg) was obtained as a white powder by the same method as Example 2.
- Example 23 Using Example 23 (20.1 mg) as raw material, sodium acetate borohydride (29.0 mg), and formaldehyde aqueous solution (5.3 ⁇ L, wt. 37%) as reagents, the target compound (13.0 mg) was obtained as a white powder by the same method as Example 2.
- Example 54 Using Example 54 (34.4 mg) as raw material, sodium acetate borohydride (43.2 mg), and formaldehyde aqueous solution (7.8 ⁇ L, wt. 37%) as reagents, the target compound (22.0 mg) was obtained as a white powder by the same method as Example 2.
- Example 51 Using Example 51 (28.5 mg) as raw material, sodium acetate borohydride (36.7 mg), and formaldehyde aqueous solution (6.7 ⁇ L, wt. 37%) as reagents, the target compound (15.0 mg) was obtained as a white powder by the same method as Example 2.
- Example 35 Using Example 35 (41.6 mg) as raw material, sodium acetate borohydride (58.2 mg), and formaldehyde aqueous solution (10.7 ⁇ L, wt. 37%) as reagents, the target compound (23.0 mg) was obtained as a white powder by the same method as Example 2.
- Example 47 (40 mg) was used as a raw material, dissolved in anhydrous N, N-dimethylformamide (2 mL), ethyl bromide (7 uL) was added under ice bath cooling, and cesium carbonate (36 mg) was added after stirring for 30 minutes. The reaction solution was stirred for 4 hours under 60°C oil bath heating, then cooled to room temperature and quenched with saturated brine, and extracted with ethyl acetate (10 mL x 3).
- Example 47 Using Example 47 (40 mg) as the starting material, iodoisopropylane (10 ⁇ L) and Cs 2 CO 3 (35 mg) as reagents, the target compound (6.0 mg) was obtained in the same manner as in Example 61.
- Example 47 (80 mg) was used as a raw material, dissolved in anhydrous N,N-dimethylformamide (2 mL), CD 3 I (15 ⁇ L) and Cs 2 CO 3 (60.1 mg) were used as reagents, and the target compound (16.0 mg) was obtained by the same method as Example 61.
- HEK293T ATCC, CRL3216.
- DMEM Dulbecco's modified Eagle's medium
- the cell lysate was added with a commercial protease inhibitor cocktail (1:500) and 1 ⁇ M deacetylase inhibitor Trichostatin A (Sangon Biotechnology Co., Ltd.). The cell lysate was added to a 1.5ml centrifuge tube, sonicated, and centrifuged at 13,000rpm for 10 minutes. The supernatant was then taken and the protein concentration was determined by the BCA method.
- acetylated tubulin was used as an indicator of microtubule polymerization to detect the effectiveness of the compound in stabilizing microtubules.
- HEK293T cell lysates were analyzed by SDS-PAGE (7.5% gel), immunoblotting was performed using acetylated tubulin antibodies (1:20000, Sigma-Aldrich, T7451) and ⁇ -tubulin antibodies (1:2000, Proteintech, 11224-1-AP), and then incubated with fluorescent molecule-coupled IgG (1:40000, Licor).
- the images were developed using the Odyssey-Dlx imaging system and grayscale analysis was performed using ImageJ.
- the activity of the compound was quantified with the microtubule stabilizing activity of 500 nM of CNDR-51657 (C5) (Jane, 2016.) as 1.00.
- the test results of the microtubule stabilizing activity of each example are shown in Table 1.
- mice Oral pharmacokinetic study in mice:
- Healthy male CD1 mice were used as experimental animals, and the drug was administered by gavage at a dose of 10 mg/kg and a dosing volume of 10 mL/kg.
- Drug preparation 10 mg of the compound was placed in 10 mL 50% PEG400 or 20% HPb-cyclodextrin, ground and shaken to make the compound evenly distributed in small particle size, and then administered orally. Blood samples were taken at 30 minutes, 1 hour, 2 hours, and 4 hours after administration, and brain tissue samples were taken at 4 hours. EDTA dipotassium salt was added to the blood sample, and plasma was obtained after centrifugation. The blood sample was diluted with 5 times the volume of acetonitrile, centrifuged, and the clear liquid was analyzed.
- the brain tissue grinding liquid was diluted with 3.5 times the volume of acetonitrile, centrifuged, and the clear liquid was analyzed. Then the sample was analyzed by liquid chromatography tandem mass spectrometry (LC-MS/MS): the instrument was ABSciex3500; the mobile phase was 0.1% formic acid aqueous solution (A)/0.1% formic acid acetonitrile solution (B), gradient elution.
- LC-MS/MS liquid chromatography tandem mass spectrometry
- the compounds of the present invention have stabilizing activity against tubulin.
- the compounds of the present invention are surprisingly found to have significantly improved exposure in plasma and brain tissue.
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Abstract
Description
Claims (16)
- 一种通式I所示化合物或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药:
式中,Ar为:X1选自下组:Cl、CN、乙烯基、-CH=CHC1-6烷基、-CH=CHC3-6环烷基、-C≡CH、-C≡C1-6烷基、-C≡CC3-6环烷基、C1-6烷基、C1-6卤代烷基、C3-6环烷基、C3-6卤代环烷基、OC1-6烷基、OC1-6卤代烷基、SC1-6烷基;R1选自下组:C1-C10烷基、C1-C10卤代烷基、C3-C10环烷基,C3-C10杂环基,C3-C10卤代环烷基,或R1为:R1a和R1b各自独立地为氢、C1-C10烷基、C1-C10卤代烷基、C3-C10环烷基、C3-C10卤代环烷基、C7-C11螺环烷烃、C5-C10的杂环螺环、芳基、杂芳基;R2为氢;R3和R4独立为氢、F、Cl、Br;W为化学键、-O(CRaRb)n-、-(CRaRb)nO-、-S(CRaRb)n-、-(CRaRb)nS-、-(CRaRb)n-NRe-、-N(Re)-(CRaRb)n-、-C(O)N(Re)-(CRaRb)n-、-N(Re)C(O)-(CRaRb)n-、-(CRaRb)n-、-C(O)(CRaRb)n-、-(CRaRb)nC(O)-、亚芳香基、(Z)-CH=CH-、(E)-CH=CH-、-C≡C-、C5-C9稠合亚杂芳香基、5元或6元亚杂芳香基;Ra和各Rb各自独立为氢、取代或未取代的C1-C10烷基、取代或未取代的C3-C10环烷基、取代或未取代的C2-C10烯基、取代或未取代的C6-C20芳基、或取代或未取代的C3-C14杂芳基;Ra和Rb可以与它们连接的碳原子一起形成三至八元环或四至八元杂环,其中杂原子可以是硫、氧、NH或NRe;Rc和各Rd各自独立为氢、C1-C10烷基、C3-C10环烷基、C2-C10烯基、C6-C20芳基、C3-C14杂芳基;Rc和Rd可以被一个或多个选自下组的基团取代:卤素、羟基、氨基、硝基、氰基、醛基、羧基、烷氧基、-CF3、-SF5。Rc和Rd可以与它们连接的氮原子一起形成三至 八元环或四至八元杂环,其中杂原子可以是硫、氧、NH或NRe;Re为氢、C1-C6烷基、-(CRaRb)n-C3-C6环烷基、-(CRaRb)n-芳基、-(CRaRb)n-杂芳基;Re可以被一个或多个选自下组的基团取代:卤素、羟基、氨基、硝基、氰基、醛基、羧基、烷氧基、-CF3、-SF5。Y为H,卤素、ORe、-(CRaRb)m-CO2H、-(CRaRb)m-CO(CRaRb)n-NRaRb、C1-C6烷基、C1-C6卤代烷基、-(CRaRb)n-C3-C6环烷基、-(CRaRb)n-C3-C6卤代环烷基、-(CRaRb)n-芳基、-(CRaRb)n-杂芳基、-(CRaRb)n-NRcRd、-O(CRaRb)n-NRcRd、-S(CRaRb)n-NRcRd、-NRe(CRaRb)n-NRcRd、-(CRaRb)n-P(O)Me2、-(CRaRb)n-SO2Ra、-(CRaRb)n-SO2NRcRd、-(CRaRb)n-NReCONRcRd-(CRaRb)n-CONRcRd。m和n独立为0、1、2、3、4、5或6;为单环烃基、螺环烃基、稠合烃基、桥环烃基、单环杂环基、螺环杂环基、稠合杂环基或桥环杂环基结构;X和Z独立为C(R5)、N;R5为氢、OH,CN、卤素、NRcRd、C1-C10烷基、C1-C10卤代烷基、-(CRaRb)n-C3-C10环烷基、-(CRaRb)n-C3-C10卤代环烷基、-(CRaRb)n-CO2H、-(CRaRb)n-CONRcRd;除非特别说明,所述的单环烃基、螺环烃基、稠合烃基、桥环烃基、单环杂环基、螺环杂环基、稠合杂环基或桥环杂环基具有5-20个环骨架原子,当所述的环骨架原子具有杂原子时,所述的杂原子可以为1至4个(如3个)选自氮、硫或氧的杂原子。 - 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,所述的R1a为:CF3、R1b为氢、甲基或CF3。
- 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,所述的Ar为:
- 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,为:
- 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,所述化合物具有选自下组的通式所示的结构,
其中,各个基团的定义如权利要求1中所述。 - 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,所述化合物具有选自下组的通式所示的结构,
其中,各个基团的定义如权利要求1中所述。 - 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,所述化合物具有如下式所示的结构,
其中R1选自以下结构:
X1选自Cl、甲基、CF3、乙基或环丙基;Y选自H、C1-6烷基、C1-6氟代烷基、C3-6环 烷基、C3-6氟代环烷基、-SO2Ra、-SO2NRcRd、-CONRcRd、芳基或杂芳基。 - 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,所述化合物具有如下式所示的结构,
其中R1选自以下结构:
X1选自Cl、甲基、CF3、乙基或环丙基;Y选自H、C1-6烷基、C1-6氟代烷基、C3-6环烷基、C3-6氟代环烷基、-SO2Ra、-SO2NRcRd、-CONRcRd、芳基或杂芳基。 - 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,所述化合物具有如下式所示的结构,
其中R1选自以下结构:
X1选自Cl、甲基、CF3、乙基或环丙基;Y选自H、C1-6烷基、C1-6氟代烷基、C3-6环烷基、C3-6氟代环烷基、-SO2Ra、-SO2NRcRd、-CONRcRd、芳基或杂芳基。 - 如权利要求1所述的化合物,或其药学上可以接受的盐、其立体异构体或其互变异构体、或前药,其特征在于,所述化合物具有如下式所示的结构,
其中R1选自以下结构:
X1选自Cl、甲基、CF3、乙基或环丙基;Y选自H、C1-6烷基、C1-6氟代烷基、C3-6环烷基、C3-6氟代环烷基、-SO2Ra、-SO2NRcRd、-CONRcRd、芳基或杂芳基。 - 权利要求1所述的化合物,其特征在于,所述化合物选自下组:
- 权利要求1至11任一项所述的化合物的用途,其特征在于,用于:(i)制备微管蛋白稳定剂;(ii)制备治疗微管蛋白介导的疾病的药物组合物;(iii)制备预防和/或治疗癌症和神经退行性疾病的药物。
- 如权利要求12所述的用途,其特征在于,所述癌症选自下组:脑胶质瘤、结肠癌、乳腺癌、胃癌、肺癌、大肠癌、胰腺癌、卵巢癌、前列腺癌、肾癌、肝癌、脑癌、黑色素瘤、多发性骨髓瘤、慢性粒细胞性白血病、血液肿瘤、淋巴肿瘤,或在远离肿瘤原发部位的组织或器官的转移病变。
- 如权利要求12所述的用途,其特征在于,所述神经退行性疾病选自下组:亨廷顿氏病、阿尔兹海默氏病、帕金森氏病、多发性硬化症和创伤性脑损伤。
- 一种药物组合物,其特征在于,所述的药物组合物包括:治疗有效量的如权利要求1-6任一所述的化合物,及药学上可接受的载体。
- 如权利要求15所述的药物组合物,其特征在于,所述药物组合物包含其它抗肿瘤药物,较佳地,所述的药物组合物选自下组:PD-1抗体、PD-L1抗体、CTLA-4抗体、抗肿瘤化疗药物(比如替莫唑胺)、靶向药物。
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| WO2014047257A2 (en) * | 2012-09-19 | 2014-03-27 | The Trustees Of The University Of Pennsylvania | Heterocyclic compounds and their use for the treatment of neurodegenerative tauopathies |
| WO2019169111A1 (en) * | 2018-03-02 | 2019-09-06 | The Trustees Of The University Of Pennsylvania | [1,2,4]triazolo[1,5-a]pyrimidine compounds and use in stabilizing microtubules |
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| CN103189379A (zh) * | 2010-07-13 | 2013-07-03 | 拜耳知识产权有限责任公司 | 双环嘧啶 |
| WO2014047257A2 (en) * | 2012-09-19 | 2014-03-27 | The Trustees Of The University Of Pennsylvania | Heterocyclic compounds and their use for the treatment of neurodegenerative tauopathies |
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