WO2016141881A1 - 作为抗癌药物的取代的2-氢-吡唑衍生物 - Google Patents
作为抗癌药物的取代的2-氢-吡唑衍生物 Download PDFInfo
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- WO2016141881A1 WO2016141881A1 PCT/CN2016/076041 CN2016076041W WO2016141881A1 WO 2016141881 A1 WO2016141881 A1 WO 2016141881A1 CN 2016076041 W CN2016076041 W CN 2016076041W WO 2016141881 A1 WO2016141881 A1 WO 2016141881A1
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- 0 CN(C)C1CC*CC1 Chemical compound CN(C)C1CC*CC1 0.000 description 4
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- AXYTVEBSJALUIG-UHFFFAOYSA-N CC(C)c1c(cc(cc2)-c3nc(Cl)ncc3F)c2n[n]1C Chemical compound CC(C)c1c(cc(cc2)-c3nc(Cl)ncc3F)c2n[n]1C AXYTVEBSJALUIG-UHFFFAOYSA-N 0.000 description 1
- QGHBTXXFYRJCKH-UHFFFAOYSA-N CC(C)c1c(cc(cc2)-c3nc(N)ncc3F)c2n[n]1C Chemical compound CC(C)c1c(cc(cc2)-c3nc(N)ncc3F)c2n[n]1C QGHBTXXFYRJCKH-UHFFFAOYSA-N 0.000 description 1
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- VJSDETCBJFSOJU-UHFFFAOYSA-N CCN(Cc1ccccc1)C1CNCC1 Chemical compound CCN(Cc1ccccc1)C1CNCC1 VJSDETCBJFSOJU-UHFFFAOYSA-N 0.000 description 1
- RPTGTAYSFGXFGV-UHFFFAOYSA-N CCNC1CN(C)CC1 Chemical compound CCNC1CN(C)CC1 RPTGTAYSFGXFGV-UHFFFAOYSA-N 0.000 description 1
- VPEKVGLYMNBOLA-UHFFFAOYSA-N CN(CC1)CC11NCCC1 Chemical compound CN(CC1)CC11NCCC1 VPEKVGLYMNBOLA-UHFFFAOYSA-N 0.000 description 1
- YFDRYBUJCGOYCQ-UHFFFAOYSA-N CN1C(C2)CNC2C1 Chemical compound CN1C(C2)CNC2C1 YFDRYBUJCGOYCQ-UHFFFAOYSA-N 0.000 description 1
- JVIKJOXETSHPGJ-UHFFFAOYSA-N CN1CC(CO)NCC1 Chemical compound CN1CC(CO)NCC1 JVIKJOXETSHPGJ-UHFFFAOYSA-N 0.000 description 1
- HBQXTZXLQBSTCJ-UHFFFAOYSA-N CN1CC2OCCNC2C1 Chemical compound CN1CC2OCCNC2C1 HBQXTZXLQBSTCJ-UHFFFAOYSA-N 0.000 description 1
- XCUQQNRWWCWVOP-UHFFFAOYSA-N CN1CCN(CC#N)CC1 Chemical compound CN1CCN(CC#N)CC1 XCUQQNRWWCWVOP-UHFFFAOYSA-N 0.000 description 1
- GOWUDHPKGOIDIX-UHFFFAOYSA-N CN1CCN(CCN)CC1 Chemical compound CN1CCN(CCN)CC1 GOWUDHPKGOIDIX-UHFFFAOYSA-N 0.000 description 1
- AFVUDACUDNWURG-UHFFFAOYSA-N CNC1(CCNCC1)I Chemical compound CNC1(CCNCC1)I AFVUDACUDNWURG-UHFFFAOYSA-N 0.000 description 1
- AGZKINHKNKSYGO-UHFFFAOYSA-N COC1(CCNCC1)I Chemical compound COC1(CCNCC1)I AGZKINHKNKSYGO-UHFFFAOYSA-N 0.000 description 1
- IFLLEVWUHFJGEQ-UHFFFAOYSA-N COCCN(CC1)CCC1I Chemical compound COCCN(CC1)CCC1I IFLLEVWUHFJGEQ-UHFFFAOYSA-N 0.000 description 1
- DADUPXPYDMJSMV-UHFFFAOYSA-N C[ClH]C1(CCNCC1)I Chemical compound C[ClH]C1(CCNCC1)I DADUPXPYDMJSMV-UHFFFAOYSA-N 0.000 description 1
- QQDQSKMUVZLIRA-UHFFFAOYSA-N C[F]C1(CCNCC1)I Chemical compound C[F]C1(CCNCC1)I QQDQSKMUVZLIRA-UHFFFAOYSA-N 0.000 description 1
- KAYZCVOCYYWXBO-UHFFFAOYSA-N C[O](C)C1(CCNCC1)I Chemical compound C[O](C)C1(CCNCC1)I KAYZCVOCYYWXBO-UHFFFAOYSA-N 0.000 description 1
- XKBDXLWAGSUCLW-UHFFFAOYSA-N C[n]1nc(ccc(Br)c2)c2c1I Chemical compound C[n]1nc(ccc(Br)c2)c2c1I XKBDXLWAGSUCLW-UHFFFAOYSA-N 0.000 description 1
- WHPFEQUEHBULBW-UHFFFAOYSA-N Fc(c(Cl)n1)cnc1Cl Chemical compound Fc(c(Cl)n1)cnc1Cl WHPFEQUEHBULBW-UHFFFAOYSA-N 0.000 description 1
- CQGTYZGZTJPRPO-UHFFFAOYSA-N Nc(cc1)ncc1N(CC1)CC11N(Cc2ccccc2)CCC1 Chemical compound Nc(cc1)ncc1N(CC1)CC11N(Cc2ccccc2)CCC1 CQGTYZGZTJPRPO-UHFFFAOYSA-N 0.000 description 1
- PEZNEXFPRSOYPL-UHFFFAOYSA-N O=C(C(F)(F)F)O[I](c1ccccc1)OC(C(F)(F)F)=O Chemical compound O=C(C(F)(F)F)O[I](c1ccccc1)OC(C(F)(F)F)=O PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 description 1
- MMFGGDVQLQQQRX-UHFFFAOYSA-N O=Cc1cc(Br)ccc1F Chemical compound O=Cc1cc(Br)ccc1F MMFGGDVQLQQQRX-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
-
- 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
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/415—1,2-Diazoles
- A61K31/416—1,2-Diazoles condensed with carbocyclic ring systems, e.g. indazole
-
- 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
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/4353—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems
- A61K31/437—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
-
- 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
- A61K31/4985—Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
-
- 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
- A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
-
- 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
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5383—1,4-Oxazines, e.g. morpholine ortho- or peri-condensed with heterocyclic ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A61P35/02—Antineoplastic agents specific for leukemia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- 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
- C07D487/08—Bridged systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- 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
- C07D487/10—Spiro-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/04—Ortho-condensed systems
Definitions
- the present invention relates to 2-hydro-pyrazole derivatives substituted as selective CDK4/6 inhibitors.
- the invention relates to formula (I) or a pharmaceutically acceptable salt thereof as a selective CDK4/6 inhibitor.
- CDKs cyclin-dependent kinases
- the combination of (cyclins) promotes cell cycle progression, transcription of genetic information, and normal cell division and proliferation.
- CDK4/6 is a key regulator of the cell cycle that triggers the transition of the cell cycle from the growth phase (G1 phase) to the DNA replication phase (S1 phase).
- G1 phase growth phase
- S1 phase DNA replication phase
- a complex of cyclin D (Cyclin D) and CDK4/6 is capable of phosphorylating retinoblastoma protein (Rb).
- the tumor suppressor protein Rb Once the tumor suppressor protein Rb is phosphorylated, it releases its transcription factor E2F, which binds tightly in the unphosphorylated state. E2F activation further promotes the cell cycle through the restriction point (R point) and progresses from the G1 phase to the S phase. Entered the cycle of cell proliferation. Therefore, inhibition of CDK4/6 prevents the formation of the Cyclin D-CDK4/6 complex, which can block the progression of the cell cycle from the G1 phase to the S phase, thereby achieving the purpose of inhibiting tumor proliferation.
- ER+ estrogen receptor-positive breast cancer
- CDK4/6 is hyperactive
- CDK4/6 is a key downstream target of ER signaling.
- Preclinical data indicate that dual inhibition of CDK4/6 and estrogen receptor (ER) signaling has a synergistic effect and inhibits the growth of G1 estrogen receptor positive (ER+) breast cancer (BC) cells.
- the CDK4/6 target is a highly competitive field of research and development. Pietzsch summarized progress in this area in 2010 (Mini-Rev. Med. Chem. 2010, 10, 527-539). Malorni also summarized the results of the latest CDK4/6 inhibitors in preclinical and clinical studies of breast cancer in 2014 (Curr. Opin. Oncol. 2014, 26, 568–575). Extensive research efforts on CDK4/6 targets have led to the development of a range of different selective CDK inhibitors, as well as the discovery of a few effective and highly selective CDK4/6 inhibitors.
- Palbociclib (PD0332991) is one of several potent and highly selective CDK4/6 inhibitors that have entered human clinical trials for women with advanced or metastatic estrogen receptor (ER+), human epidermal growth factor receptor Treatment of 2 negative (HER2-) breast cancer.
- ER+ advanced or metastatic estrogen receptor
- HER2- human epidermal growth factor receptor Treatment of 2 negative (HER2-) breast cancer.
- NDA new drug application
- Two other CDK4/6 inhibitors, Abemaciclib (LY2835219) and LEE-011 have also begun to recruit patients with cancer for Phase 3 clinical trials.
- these small molecule heterocyclic compounds are clinically useful in the treatment of a variety of other cancers.
- These patents include WO2012018540, WO2012129344, WO2011101409, WO2011130232, WO2010075074, WO2009126584, WO2008032157, WO2003062236.
- the present invention will provide a novel CDK4/6 inhibitor of novel structure and find that compounds having such a structure exhibit excellent antitumor effects.
- R 1 is selected from the group consisting of H, halogen, OH, NH 2 , C 1-8 alkyl, C 2-8 alkenyl, C 2-8 alkenyl, C 3-7 cycloalkyl;
- R 2 is selected from H, halogen, C 1-8 alkyl, C 3-7 cycloalkyl, aryl or heteroaryl;
- R 3 is selected from H, halogen, -OR 8 , -SR 8 , -N(R 8 )(R 9 ) or C 1-3 alkyl;
- any two of R 4 , R 5 , and R 6 may together form a 3 to 7 membered ring;
- R 7 is selected from H, halogen, -OR 8 , -SR 8 , -N(R 8 )(R 9 ) or C 3-7 cycloalkyl;
- X 1 , X 2 , X 3 , X 4 are each independently selected from N or C(R 10 );
- X 7 is selected from carbonyl or C(R 11 )(R 12 );
- W is selected from O, S, or a single bond
- T is selected from N or C(R 10 ), and when W is selected from O or S, T is not N;
- Q is selected from N or C (R 10 );
- n are each independently selected from 0, 1, or 2;
- R 8 and R 9 are each independently selected from the group consisting of H, C 1-8 alkyl, and C 3-7 cycloalkyl;
- R is selected from the group consisting of F, Cl, Br, I, NH 2 , CN, OH, CF 3 , CHF 2 , CH 2 F, NHCH 3 , N(CH 3 ) 2 ;
- R 8 and R 9 are bonded to the same atom to form a 3 to 7 membered ring having 1 to 4 heteroatoms;
- R 4 and R 10 are bonded to the same atom to form a 3 to 7 membered ring;
- the structural unit Can be replaced by
- the above R 1 is selected from the group consisting of isopropyl, 2-propenyl or allyl.
- R 2 is selected from the group consisting of methyl and phenyl.
- R 3 is selected from the group consisting of F.
- R 4 , R 5 , and R 6 are each independently selected from the group consisting of H, halogen, OH, NH 2 , Me, Et, CN, NO 2 ,
- R 7 is selected from the group consisting of H, F or Cl.
- R 10 is selected from the group consisting of H, OH, NH 2 , F, Cl, CN, Or Me.
- the above X 4 is selected from N or CH.
- C 1-8 represents the number of carbon atoms contained in the alkyl group, for example, C 1 represents only one carbon atom, C 2 represents two carbon atoms, and so on.
- C 1-8 alkyl means a straight-chain or straight-chain hydrocarbon group having 1 to 8 carbon atoms, and includes, for example, a methyl group, an ethyl group, a n-propyl group, an isopropyl group, n-Butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, 2,2-dimethylpropyl, n-hexyl, n-heptyl, n-octyl and the like.
- C 2-8 alkenyl means a straight or branched hydrocarbon group having 2 to 8 carbon atoms and having 1 double bond, and includes a vinyl group, a 1-propenyl group, a 2-propenyl group, a 1-butenyl group. , 2-butenyl and the like.
- C 2-8 alkynyl means a straight or branched hydrocarbon group having 2 to 8 carbon atoms and having one triple bond, and includes an ethynyl group, a propynyl group, a 1-butynyl group, a 2-butynyl group. Wait.
- C 3-7 cycloalkyl group means a monocyclic or bicyclic hydrocarbon group having 3 to 7 carbon atoms, and includes a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group and the like.
- pharmaceutically acceptable as used herein is intended to mean that those compounds, materials, compositions and/or dosage forms are within the scope of sound medical judgment and are suitable for use in contact with human and animal tissues. Without excessive toxicity, irritation, allergic reactions or other problems or complications, commensurate with a reasonable benefit/risk ratio.
- pharmaceutically acceptable salt refers to a salt of a compound of the invention prepared from a compound having a particular substituent found in the present invention and a relatively non-toxic acid or base.
- a base addition salt can be obtained by contacting a neutral amount of such a compound with a sufficient amount of a base in a neat solution or a suitable inert solvent.
- Pharmaceutically acceptable base addition salts include sodium, potassium, calcium, ammonium, organic ammonia or magnesium salts or similar salts.
- an acid addition salt can be obtained by contacting a neutral form of such a compound with a sufficient amount of an acid in a neat solution or a suitable inert solvent.
- pharmaceutically acceptable acid addition salts include inorganic acid salts including, for example, hydrochloric acid, hydrobromic acid, nitric acid, carbonic acid, hydrogencarbonate, phosphoric acid, monohydrogen phosphate, dihydrogen phosphate, sulfuric acid, Hydrogen sulfate, hydroiodic acid, phosphorous acid, etc.; and an organic acid salt, such as acetic acid, propionic acid, isobutyric acid, maleic acid, malonic acid, benzoic acid, succinic acid, suberic acid, Similar acids such as fumaric acid, lactic acid, mandelic acid, phthalic acid, benzenesulfonic acid, p-toluenesulfonic acid, citric acid, tartaric acid, and me
- the salt is contacted with a base or acid in a conventional manner, and the parent compound is separated, thereby regenerating the neutral form of the compound.
- the parent form of the compound differs from the form of its various salts by certain physical properties, such as differences in solubility in polar solvents.
- “Pharmaceutically acceptable salt” as used herein is a derivative of the compound of the present invention, wherein the salt is formed by salt formation with an acid or with a base.
- the parent compound is modified.
- pharmaceutically acceptable salts include, but are not limited to, inorganic or organic acid salts of bases such as amines, alkali metal or organic salts of acid groups such as carboxylic acids, and the like.
- Pharmaceutically acceptable salts include the conventional non-toxic salts or quaternary ammonium salts of the parent compound, for example salts formed from non-toxic inorganic or organic acids.
- non-toxic salts include, but are not limited to, those derived from inorganic acids and organic acids selected from the group consisting of 2-acetoxybenzoic acid, 2-hydroxyethanesulfonic acid, acetic acid, ascorbic acid, Benzenesulfonic acid, benzoic acid, hydrogencarbonate, carbonic acid, citric acid, edetic acid, ethane disulfonic acid, ethanesulfonic acid, fumaric acid, glucoheptose, gluconic acid, glutamic acid, glycolic acid, Hydrobromic acid, hydrochloric acid, hydroiodide, hydroxyl, hydroxynaphthalene, isethionethane, lactic acid, lactose, dodecylsulfonic acid, maleic acid, malic acid, mandelic acid, methanesulfonic acid, nitric acid, oxalic acid, Pamoic acid, pantothenic acid, phenylacetic acid, phen
- the pharmaceutically acceptable salts of the present invention can be synthesized from the parent compound containing an acid group or a base by conventional chemical methods.
- such salts are prepared by reacting these compounds in water or an organic solvent or a mixture of the two via a free acid or base form with a stoichiometric amount of a suitable base or acid.
- a nonaqueous medium such as ether, ethyl acetate, ethanol, isopropanol or acetonitrile is preferred.
- the compounds provided herein also exist in the form of prodrugs.
- Prodrugs of the compounds described herein are readily chemically altered under physiological conditions to convert to the compounds of the invention.
- prodrugs can be converted to the compounds of the invention by chemical or biochemical methods in an in vivo setting.
- Certain compounds of the invention may exist in unsolvated or solvated forms, including hydrated forms.
- the solvated forms are equivalent to the unsolvated forms and are included within the scope of the invention.
- Certain compounds of the invention may have asymmetric carbon atoms (optical centers) or double bonds. Racemates, diastereomers, geometric isomers and individual isomers are included within the scope of the invention.
- the compounds of the invention may exist in specific geometric or stereoisomeric forms.
- the present invention contemplates all such compounds, including the cis and trans isomers, the (-)- and (+)-p-enantiomers, the (R)- and (S)-enantiomers, and the diastereomeric a conformation, a (D)-isomer, a (L)-isomer, and a racemic mixture thereof, and other mixtures, such as enantiomerically or diastereomeric enriched mixtures, all of which belong to It is within the scope of the invention.
- Additional asymmetric carbon atoms may be present in the substituents such as alkyl groups. All such isomers, as well as mixtures thereof, are included within the scope of the invention.
- optically active (R)- and (S)-isomers as well as the D and L isomers can be prepared by chiral synthesis or chiral reagents or other conventional techniques. If an enantiomer of a compound of the invention is desired, it can be prepared by asymmetric synthesis or by derivatization with a chiral auxiliary wherein the resulting mixture of diastereomers is separated and the auxiliary group cleaved to provide pure The desired enantiomer. Alternatively, when the molecule contains a basic functional group (such as an amino group) or an acidic functional group (such as a carboxyl group), it forms a diastereoisomer with an appropriately optically active acid or base.
- a basic functional group such as an amino group
- an acidic functional group such as a carboxyl group
- the salt of the body is then subjected to diastereomeric resolution by methods well known in the art and then recovered to yield the pure enantiomer.
- the separation of enantiomers and diastereomers is generally accomplished by the use of chromatography using a chiral stationary phase, optionally in combination with chemical derivatization (eg, formation of an amino group from an amine). Formate).
- the compounds of the present invention may contain unnatural proportions of atomic isotopes on one or more of the atoms that make up the compound.
- radiolabeled compounds can be used, such as tritium (3 H), iodine -125 (125 I) or C-14 (14 C). Alterations of all isotopic compositions of the compounds of the invention, whether radioactive or not, are included within the scope of the invention.
- pharmaceutically acceptable carrier refers to any formulation or carrier medium that is capable of delivering an effective amount of an active substance of the present invention, does not interfere with the biological activity of the active substance, and has no toxic side effects to the host or patient, including water, oil, Vegetables and minerals, cream bases, lotion bases, ointment bases, etc. These bases include suspending agents, tackifiers, transdermal enhancers and the like. Their formulations are well known to those skilled in the cosmetic or topical pharmaceutical arts. For additional information on vectors, reference is made to Remington: The Science and Practice of Pharmacy, 21st Ed., Lippincott, Williams & Wilkins (2005), the contents of which are hereby incorporated by reference.
- excipient generally refers to the carrier, diluent and/or vehicle required to formulate an effective pharmaceutical composition.
- an "effective amount” or “therapeutically effective amount” with respect to a pharmaceutical or pharmacologically active agent refers to a sufficient amount of a drug or agent that is non-toxic but that achieves the desired effect.
- an "effective amount” of an active substance in a composition refers to the amount required to achieve the desired effect when used in combination with another active substance in the composition. The determination of the effective amount will vary from person to person, depending on the age and general condition of the recipient, and also on the particular active substance, and a suitable effective amount in a case can be determined by one skilled in the art based on routine experimentation.
- active ingredient refers to a chemical entity that is effective in treating a target disorder, disease or condition.
- substituted means that any one or more hydrogen atoms on a particular atom are replaced by a substituent, including variants of heavy hydrogen and hydrogen, as long as the valence of the particular atom is normal and the substituted compound is stable. .
- Ketone substitution does not occur on the aryl group.
- optionally substituted means that it may or may not be substituted, and unless otherwise specified, the kind and number of substituents may be arbitrary on the basis of chemically achievable.
- any variable eg, R
- its definition in each case is independent.
- the group may optionally be substituted with at most two R, and each case has an independent option.
- combinations of substituents and/or variants thereof are permissible only if such combinations result in stable compounds.
- substituents When a bond of a substituent can be cross-linked to two atoms on a ring, the substituent can be bonded to any atom on the ring.
- substituents do not indicate which atom is attached to a compound included in the chemical structural formula including but not specifically mentioned, such a substituent may be bonded through any atomic phase thereof.
- Combinations of substituents and/or variants thereof are permissible only if such combinations result in stable compounds. For example, a structural unit It is indicated that it can be substituted at any position on the cyclohexyl or cyclodiene.
- R', R", R"', R"" and R""' are each independently preferred Hydrogen, substituted or unsubstituted heteroalkyl, substituted or unsubstituted aryl (eg substituted by 1 to 3 halogen aryl), substituted or unsubstituted alkyl, alkoxy, sulphur Alkoxy group or aralkyl group.
- each R group is independently selected as if present Each of these groups of more than one R', R", R"', R"" and R""' groups.
- R' and R" When R' and R" are attached to the same nitrogen atom, they may be bonded to the nitrogen The atoms combine to form a 5-, 6- or 7-membered ring.
- -NR'R is intended to include, but is not limited to, 1-pyrrolidinyl and 4-morpholinyl.
- alkyl is intended to include carbon.
- a group bonded to a non-hydrogen group such as a haloalkyl group (e.g., -CF 3 , -CH 2 CF 3 ) and an acyl group (e.g., -C(O)CH 3 , -C(O)CF 3 ,- C(O)CH 2 OCH 3 , etc.).
- a non-hydrogen group such as a haloalkyl group (e.g., -CF 3 , -CH 2 CF 3 ) and an acyl group (e.g., -C(O)CH 3 , -C(O)CF 3 ,- C(O)CH 2 OCH 3 , etc.).
- Two substituents on adjacent atoms of the aryl or heteroaryl ring may be optionally substituted with a substituent of the formula -TC(O)-(CRR')qU-, wherein T and U are independently selected From -NR-, -O-, CRR'- or a single bond, q is an integer from 0 to 3.
- two substituents on adjacent atoms of the aryl or heteroaryl ring may be optionally substituted with a substituent of the formula -A(CH2)r B-, wherein A and B are independently selected From -CRR'-, -O-, -NR-, -S-, -S(O)-, S(O) 2 -, -S(O) 2 NR'- or a single bond, r is 1 to 4 The integer.
- a single bond on the new ring thus formed can be replaced with a double bond.
- two substituents on adjacent atoms of the aryl or heteroaryl ring may be optionally substituted with a substituent of the formula -A(CH2)r B-, wherein s and d are each independently An integer selected from 0 to 3, X is -O-, -NR', -S-, -S(O)-, -S(O) 2 - or -S(O) 2 NR'-.
- the substituents R, R', R" and R"' are each independently preferably selected from hydrogen and substituted or unsubstituted (C 1 -C 6 )alkyl.
- halo or halogen
- haloalkyl is intended to include both monohaloalkyl and polyhaloalkyl.
- halo(C 1 -C 4 )alkyl is intended to include, but is not limited to, trifluoromethyl, 2,2,2-trifluoroethyl, 4-chlorobutyl, 3-bromopropyl, and the like. Wait.
- haloalkyl groups include, but are not limited to, trifluoromethyl, trichloromethyl, pentafluoroethyl, and pentachloroethyl.
- Alkoxy represents the above alkyl group having a specified number of carbon atoms attached through an oxygen bridge.
- the C 1-6 alkoxy group includes a C 1 , C 2 , C 3 , C 4 , C 5 and C 6 alkoxy groups.
- alkoxy groups include, but are not limited to, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, sec-butoxy, tert-butoxy, n-pentyloxy and S- Pentyloxy.
- Cycloalkyl includes saturated cyclic groups such as cyclopropyl, cyclobutyl or cyclopentyl.
- the 3-7 cycloalkyl group includes C 3 , C 4 , C 5 , C 6 and C 7 cycloalkyl groups.
- Alkenyl includes hydrocarbon chains in a straight or branched configuration wherein one or more carbon-carbon double bonds, such as vinyl and propylene groups, are present at any stable site on the chain.
- halo or halogen refers to fluoro, chloro, bromo and iodo.
- hetero denotes a hetero atom or a hetero atomic group (ie, a radical containing a hetero atom), including atoms other than carbon (C) and hydrogen (H), and radicals containing such heteroatoms, including, for example, oxygen (O).
- N nitrogen
- S sulfur
- Si silicon
- Ge germanium
- Al aluminum
- ring means substituted or unsubstituted cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, cycloalkynyl, heterocycloalkynyl, aryl or heteroaryl. So-called rings include single rings, interlocking rings, spiral rings, parallel rings or bridge rings. The number of atoms on the ring is usually defined as the number of elements of the ring. For example, "5 to 7-membered ring” means 5 to 7 atoms arranged in a circle. Unless otherwise specified, the ring optionally contains from 1 to 3 heteroatoms.
- 5- to 7-membered ring includes, for example, phenylpyridine and piperidinyl; on the other hand, the term “5- to 7-membered heterocycloalkyl ring” includes pyridyl and piperidinyl, but does not include phenyl.
- ring also includes ring systems containing at least one ring, each of which "ring” independently conforms to the above definition.
- heterocycle or “heterocyclyl” means a stable monocyclic, bicyclic or tricyclic ring containing a hetero atom or a heteroatom group which may be saturated, partially unsaturated or unsaturated ( Aromatic) which comprise a carbon atom and 1, 2, 3 or 4 ring heteroatoms independently selected from N, O and S, wherein any of the above heterocycles may be fused to a phenyl ring to form a bicyclic ring.
- the nitrogen and sulfur heteroatoms can be optionally oxidized (i.e., NO and S(O)p).
- the nitrogen atom can be substituted or unsubstituted (i.e., N or NR, wherein R is H or other substituents as already defined herein).
- the heterocyclic ring can be attached to the side groups of any hetero atom or carbon atom to form a stable structure. If the resulting compound is stable, the heterocycles described herein can undergo substitutions at the carbon or nitrogen sites.
- the nitrogen atom in the heterocycle is optionally quaternized.
- a preferred embodiment is that when the total number of S and O atoms in the heterocycle exceeds 1, these heteroatoms are not adjacent to each other. Another preferred embodiment is that the total number of S and O atoms in the heterocycle does not exceed one.
- aromatic heterocyclic group or "heteroaryl” as used herein means a stable 5, 6, or 7 membered monocyclic or bicyclic or aromatic ring of a 7, 8, 9 or 10 membered bicyclic heterocyclic group, It contains carbon atoms and 1, 2, 3 or 4 ring heteroatoms independently selected from N, O and S.
- the nitrogen atom can be substituted or unsubstituted (i.e., N or NR, wherein R is H or other substituents as already defined herein).
- the nitrogen and sulfur heteroatoms can be optionally oxidized (i.e., NO and S(O)p). It is worth noting that the aromatic heterocycle is on the S and O atoms. The total does not exceed 1.
- Bridged rings are also included in the definition of heterocycles.
- a bridged ring is formed when one or more atoms (ie, C, O, N, or S) join two non-adjacent carbon or nitrogen atoms.
- Preferred bridged rings include, but are not limited to, one carbon atom, two carbon atoms, one nitrogen atom, two nitrogen atoms, and one carbon-nitrogen group. It is worth noting that a bridge always converts a single ring into a three ring. In the bridged ring, a substituent on the ring can also be present on the bridge.
- heterocyclic compounds include, but are not limited to, acridinyl, octanoyl, benzimidazolyl, benzofuranyl, benzofuranylfuranyl, benzindenylphenyl, benzoxazolyl, benzimidin Oxazolinyl, benzothiazolyl, benzotriazolyl, benzotetrazolyl, benzisoxazolyl, benzisothiazolyl, benzimidazolyl, oxazolyl, 4aH-carbazolyl, Porphyrin, chroman, chromene, porphyrin-decahydroquinolinyl, 2H, 6H-1,5,2-dithiazinyl, dihydrofuro[2,3-b] Tetrahydrofuranyl, furyl, furfuryl, imidazolidinyl, imidazolinyl, imidazolyl, 1H-carbazolyl, nonenyl,
- hydrocarbyl or its subordinate concept (such as alkyl, alkenyl, alkynyl, phenyl, etc.) by itself or as part of another substituent means straight-chain, branched or cyclic
- the hydrocarbon radical or a combination thereof may be fully saturated, mono- or polyunsaturated, may be monosubstituted, disubstituted or polysubstituted, and may be monovalent (such as methyl), divalent (such as methylene) or polyvalent (methine), may include a divalent or polyvalent radical having the specified number of carbon atoms (e.g., C 1 -C 10 represents 1 to 10 carbons).
- Hydrocarbyl includes, but is not limited to, aliphatic hydrocarbyl groups including chain and cyclic, including but not limited to alkyl, alkenyl, alkynyl groups including, but not limited to, 6-12 members.
- An aromatic hydrocarbon group such as benzene, naphthalene or the like.
- alkyl refers to a straight or branched chain of atoms or a combination thereof, which may be fully saturated, unitary or polyunsaturated, and may include divalent and multivalent radicals.
- saturated hydrocarbon radicals include, but are not limited to, methyl, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, isobutyl, sec-butyl, isobutyl, cyclohexyl, (cyclohexyl).
- a homolog or isomer of a methyl group, a cyclopropylmethyl group, and an atomic group such as n-pentyl, n-hexyl, n-heptyl, n-octyl.
- the unsaturated alkyl group has one or more double or triple bonds, and examples thereof include, but are not limited to, a vinyl group, a 2-propenyl group, a butenyl group, a crotyl group, a 2-isopentenyl group, and a 2-(butadienyl group). ), 2,4-pentadienyl, 3-(1,4-pentadienyl), ethynyl, 1- and 3-propynyl, 3-butynyl, and higher homologs and Structure.
- heterohydrocarbyl or its subordinate concept (such as heteroalkyl, heteroalkenyl, heteroalkynyl, heteroaryl, etc.), by itself or in combination with another term, means a stable straight chain, branched chain. Or a cyclic hydrocarbon radical or a combination thereof having a number of carbon atoms and at least one heteroatom.
- heteroalkyl by itself or in conjunction with another term refers to a stable straight chain, branched hydrocarbon radical or combination thereof, having a number of carbon atoms and at least one heteroatom.
- the heteroatoms are selected from the group consisting of B, O, N, and S, wherein the nitrogen and sulfur atoms are optionally oxidized, and the nitrogen heteroatoms are optionally quaternized.
- the heteroatoms B, O, N and S can be located at any internal position of the heterohydrocarbyl group (including where the hydrocarbyl group is attached to the rest of the molecule).
- Up to two heteroatoms may be consecutive, for example, -CH 2 -NH-OCH 3.
- alkoxy alkylamino and “alkylthio” (or thioalkoxy) are customary expressions and refer to those alkane which are attached to the remainder of the molecule through an oxygen atom, an amino group or a sulfur atom, respectively.
- Base group alkoxy
- cycloalkyl refers to any heterocyclic alkynyl group, etc., by itself or in combination with other terms, denotes a cyclized “hydrocarbyl group” or “heterohydrocarbyl group”, respectively.
- a hetero atom may occupy a position at which the hetero ring is attached to the rest of the molecule.
- cycloalkyl groups include, but are not limited to, cyclopentyl, cyclohexyl, 1-cyclohexenyl, 3-cyclohexenyl, cycloheptyl, and the like.
- heterocyclic groups include 1-(1,2,5,6-tetrahydropyridyl), 1-piperidinyl, 2-piperidinyl, 3-piperidinyl, 4-morpholinyl, 3-morpholinyl, tetrahydrofuran-2-yl, tetrahydrofuran-3-yl, tetrahydrothiophen-2-yl, tetrahydrothiophen-3-yl, 1-piperazinyl and 2-piperazinyl.
- aryl denotes a polyunsaturated, aromatic hydrocarbon substituent which may be monosubstituted, disubstituted or polysubstituted, may be monovalent, divalent or polyvalent, it may be monocyclic or Polycyclic (such as 1 to 3 rings; at least one of which is aromatic), which are fused together or covalently linked.
- heteroaryl refers to an aryl (or ring) containing one to four heteroatoms. In an illustrative example, the heteroatoms are selected from the group consisting of B, N, O, and S, wherein the nitrogen and sulfur atoms are optionally oxidized, and the nitrogen atom is optionally quaternized.
- a heteroaryl group can be attached to the remainder of the molecule through a heteroatom.
- aryl or heteroaryl groups include phenyl, 1-naphthyl, 2-naphthyl, 4-biphenyl, 1-pyrrolyl, 2-pyrrolyl, 3-pyrrolyl, 3-pyridyl Azyl, 2-imidazolyl, 4-imidazolyl, pyrazinyl, 2-oxazolyl, 4-oxazolyl, 2-phenyl-4-oxazolyl, 5-oxazolyl, 3-isoxan Azyl, 4-isoxazolyl, 5-isoxazolyl, 2-thiazolyl, 4-thiazolyl, 5-thiazolyl, 2-furyl, 3-furyl, 2-thienyl, 3-thiophene , 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-pyrimidinyl, 4-pyrimidinyl, 5-benzothiazolyl, 5-
- aryl groups when used in conjunction with other terms (eg, aryloxy, arylthio, aralkyl), include aryl and heteroaryl rings as defined above.
- aralkyl is intended to include those radicals to which an aryl group is attached to an alkyl group (eg, benzyl, phenethyl, pyridylmethyl, and the like), including wherein the carbon atom (eg, methylene) has been, for example, oxygen.
- alkyl groups substituted by an atom such as phenoxymethyl, 2-pyridyloxymethyl 3-(1-naphthyloxy)propyl and the like.
- leaving group refers to a functional group or atom which may be substituted by another functional group or atom by a substitution reaction (for example, an affinity substitution reaction).
- substituent groups include triflate; chlorine, bromine, iodine; sulfonate groups such as mesylate, tosylate, p-bromobenzenesulfonate, p-toluenesulfonic acid Esters and the like; acyloxy groups such as acetoxy, trifluoroacetoxy and the like.
- protecting group includes, but is not limited to, "amino protecting group", “hydroxy protecting group” or “thiol protecting group”.
- amino protecting group refers to a protecting group suitable for preventing side reactions at the amino nitrogen position.
- Representative amino protecting groups include, but are not limited to, formyl; acyl, such as alkanoyl (e.g., acetyl, trichloroacetyl or trifluoroacetyl); alkoxycarbonyl, e.g., tert-butoxycarbonyl (Boc) Arylmethoxycarbonyl, such as benzyloxycarbonyl (Cbz) and 9-fluorenylmethoxycarbonyl (Fmoc); arylmethyl, such as benzyl (Bn), trityl (Tr), 1, 1-di -(4'-methoxyphenyl)methyl; silyl groups such as trimethylsilyl (TMS) and tert-
- hydroxy protecting group refers to a protecting group suitable for use in preventing hydroxy side reactions.
- Representative hydroxy protecting groups include, but are not limited to, alkyl groups such as methyl, ethyl and t-butyl groups; acyl groups such as alkanoyl groups (e.g., acetyl); arylmethyl groups such as benzyl (Bn), Oxybenzyl (PMB), 9-fluorenylmethyl (Fm) and diphenylmethyl (diphenylmethyl, DPM); silyl groups such as trimethylsilyl (TMS) and tert-butyl Dimethylsilyl (TBS) and the like.
- alkyl groups such as methyl, ethyl and t-butyl groups
- acyl groups such as alkanoyl groups (e.g., acetyl)
- arylmethyl groups such as benzyl (Bn), Oxybenzyl (PMB), 9-fluoreny
- the compounds of the present invention can be prepared by a variety of synthetic methods well known to those skilled in the art, including the specific embodiments set forth below, combinations thereof with other chemical synthetic methods, and those well known to those skilled in the art. Equivalent alternatives, preferred embodiments include, but are not limited to, embodiments of the invention.
- the solvent used in the present invention is commercially available.
- the reaction is generally carried out under an inert nitrogen atmosphere in an anhydrous solvent.
- Proton nuclear magnetic resonance data was recorded on a Bruker Avance III 400 (400 MHz) spectrometer with chemical shifts expressed in ppm at the low field of tetramethylsilane. Mass spectra were measured on an Agilent 1200 Series Plus 6110 (&1956A).
- LC/MS or Shimadzu MS contains a DAD: SPD-M20A (LC) and Shimadzu Micromass 2020 detector.
- the mass spectrometer is equipped with an electrospray ionization source (ESI) operating in either positive or negative mode.
- ESI electrospray ionization source
- High performance liquid chromatography was performed using a Shimadzu LC20AB system equipped with a Shimadzu SIL-20A autosampler and a Shimadzu DAD: SPD-M20A detector using a Xtimate C18 (3 m packing, size 2.1 x 300 mm) column.
- 0-60AB_6 min method Apply a linear gradient, start elution with 100% A (A is 0.0675% TFA in water), and end the elution with 60% B (B is 0.0625% TFA in MeCN solution). The whole process is 4.2 minutes, then eluted with 60% B for 1 minute. The column was equilibrated for 0.8 minutes to reach 100:0 with a total run time of 6 minutes.
- 10-80AB_6 min method Apply a linear gradient, start elution with 90% A (A is 0.0675% TFA in water), and end the elution with 80% B (B in 0.0625% TFA in acetonitrile). 4.2 minutes, then eluted with 80% B for 1 minute.
- the column was equilibrated for 0.8 minutes to 90:10 with a total run time of 6 minutes.
- the column temperature was 50 ° C and the flow rate was 0.8 mL/min.
- the diode array detector has a scanning wavelength of 200-400 nm.
- TLC Thin layer chromatography
- a common solvent for flash column chromatography or thin layer chromatography is a mixture of dichloromethane/methanol, ethyl acetate/methanol and hexane/ethyl acetate.
- the selective CDK4/6 inhibitors reported in this patent are useful in the treatment of a range of cancers including breast cancer, non-small cell lung cancer, esophageal cancer, rectal cancer and acute myeloid leukemia.
- the selective CDK4/6 inhibitor can be used as a single agent or in combination with other chemotherapeutic agents.
- the present invention employs the following abbreviations: MW for microwave; rt for room temperature; aq for aqueous solution; DCM for methylene chloride; THF for tetrahydrofuran; DMF for N,N-dimethylformamide; DMSO for dimethyl sulfoxide
- EtOAc represents ethyl acetate
- EtOH represents ethanol
- MeOH represents methanol
- BOC represents t-butoxycarbonyl, an amine protecting group
- Boc 2 O represents di-tert-butyl dicarbonate
- HOAc represents acetic acid
- TEA represents three Fluoroethylamine
- DIPEA stands for diisopropylethylamine
- TEA or Et 3 N stands for triethylamine
- BnNH 2 stands for benzylamine
- PMBNH 2 stands for p-methoxybenzylamine
- MnO 2 stands for manganese dioxide
- HATU stands for O
- the compounds of the present invention can be prepared by a variety of synthetic methods well known to those skilled in the art, including the specific embodiments listed below, combinations formed with other chemical synthesis methods, and those well known to those skilled in the art. Equivalent alternatives, preferred embodiments include, but are not limited to, embodiments of the invention.
- the compounds of the present invention can be prepared by a series of synthetic procedures wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , m, n, Q, T, and W are the same as defined above.
- the 2-hydro-pyrazole derivative (A) is reacted with a 2-arylamine (B) to give a compound of the formula I.
- the reaction requires a suitable catalyst (such as Pd 2 (dba) 3 ), a suitable ligand (such as Xantphos), a suitable base (such as Cs 2 CO 3 ), a suitable solvent (such as 1,4-dioxane).
- a suitable catalyst such as Pd 2 (dba) 3
- a suitable ligand such as Xantphos
- a suitable base such as Cs 2 CO 3
- a suitable solvent such as 1,4-dioxane
- the compound of formula I can still be prepared by reacting a 2-hydro-pyrazole derivative (A) with a 2-arylamine (B), but The Boc group is removed under strong acid (such as TFA) to give the amine (C), and finally the amine (C) is alkylated under reductive amination or nucleophilic substitution conditions (such as NaBH 3 CN or alkyl halide).
- a 2-hydro-pyrazole derivative (A) with a 2-arylamine (B)
- the Boc group is removed under strong acid (such as TFA) to give the amine (C)
- the amine (C) is alkylated under reductive amination or nucleophilic substitution conditions (such as NaBH 3 CN or alkyl halide).
- 5-bromo-2hydro-carbazole (D) can be reacted with a halogenated alkane R 2 X(E) to prepare 5-bromo-2hydro-carbazole (F).
- This reaction requires a suitable base (such as NaH or MeONa), a suitable solvent (such as THF).
- 5-Bromo-2hydro-carbazole (G) can be prepared by halogenation of 5-bromo-2-hydro-oxazole (F).
- the reaction requires a suitable halogenating reagent (such as Br 2 , NBS or NIS), a suitable solvent. (such as DMF or MeCN).
- 5-Bromo-2 hydrogen-carbazole (I) can be prepared by palladium-catalyzed coupling of a boronic acid ester (H), which requires a suitable catalyst (such as Pd(dppf)Cl 2 ), a suitable base such as K 2 CO 3 ), a suitable solvent (such as dioxane and water).
- a suitable catalyst such as Pd(dppf)Cl 2
- a suitable base such as K 2 CO 3
- a suitable solvent such as dioxane and water
- 5-Bromo-2 hydrogen-carbazole (K) can be prepared by palladium-catalyzed coupling of bis-hydrazinyl borate (J), which requires a suitable catalyst (such as Pd(dppf)Cl 2 ), A suitable base (such as KOAc), a suitable solvent (such as dioxane).
- the 2-hydro-pyrazole derivative (A) can be obtained by palladium-catalyzed coupling of the compound (L), which requires a suitable catalyst (such as Pd(dppf)Cl 2 ), a suitable base (such as K 2 CO 3 ). ), a suitable solvent (such as dioxane). According to Reaction Scheme 2, the reaction is more preferred to proceed at elevated temperatures.
- the 2-hydro-pyrazole derivative (A') can be obtained by hydrogenation of the compound (A) under ruthenium catalysis, which requires a suitable catalyst (such as Rh(PPh 3 ) 3 Cl), a suitable solvent (such as Tetrahydrofuran).
- R 1 ' is an alkyl group after R 1 reduction.
- the compound (J) can be reacted with the acid chloride (N) to prepare the compound (O).
- This reaction requires a suitable base (such as LiHMDS), a suitable solvent (such as THF).
- Compound (O) can be prepared by a cyclization reaction to prepare 2-hydro-pyrazole (Q) which requires a suitable alkyl hydrazine (P), a suitable solvent (such as EtOH).
- 2-Hydroxy-pyrazole (R) can be prepared by catalytic hydrogenation, which requires a suitable catalyst (such as Pd/C), a suitable solvent (such as MeOH).
- the 2-hydro-pyrazole (A) derivative can be obtained by the preparation of the compound (L) which requires a suitable base such as Et 3 N, a suitable solvent such as THF. According to Reaction Scheme 3, the reaction is more preferred to proceed at elevated temperatures.
- Reaction Scheme 4 produces a 2-arylamine (B) where W is S or O and T is C
- the pyridine bromide (U) can be prepared by the Mitsunobu reaction of 2-bromo-5-hydroxy-pyridine (S) with a commercially available thiol or alcohol (T).
- the pyridine bromo(U) can then be converted to the 2-arylamine (B) under palladium catalyzed conditions, which requires a suitable catalyst (such as Pd 2 (dba) 3 ), a suitable base (such as LiHMDS), A suitable solvent (such as toluene).
- a suitable catalyst such as Pd 2 (dba) 3
- a suitable base such as LiHMDS
- a suitable solvent such as toluene
- the 2-arylamine (B) can be prepared by the following two methods: 1) 4-(4,4,5,5-four Methyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydropyridine-1(2H)-carboxylic acid tert-butyl ester (X) with nitropyridine (W)
- the coupling reaction is first carried out under palladium catalysis, and then the nitro group and the double bond are reduced; 2) the bromine atom on the nitropyridine (W) is first substituted with a commercially available amine (V), and then the nitro group is reduced.
- step 1
- step 1
- 6-Chloro-3-aminopyridazine (3.00 g, 23.16 mmol, 1.00 eq.) and 1-methylpiperazine (8.10 g, 80.87 mmol, 3.49 eq.) were added to a microwave tube and the tube was sealed. The mixture was heated to 170 ° C under microwave for stirring for 1.5 hours.
- step 1
- step 1
- step 1
- step 1
- the vessel was replaced three times with nitrogen. The mixture was heated to 100 ° C and stirred for 18 hours. LCMS showed that some of the starting material was unreacted and the product was detected. The solution was cooled to 20 ° C and diluted with dichloromethane (10 mL) then filtered.
- step 1
- step 1
- step 1
- Piperazine-2-carboxylic acid (20.00 g, 98.49 mmol, 1.00 equivalents) was added portionwise to a suspension of lithium tetrahydroaluminum (5.61 g, 147.74 mmol, 1.5 eq.) in tetrahydrofuran (300 mL). , 2 hydrochloride). The mixture was heated to 70 ° C and stirred for 18 hours. LCMS showed complete conversion of the starting material and detection of the desired product. The reaction mixture was cooled to 0.
- the reaction flask was replaced with nitrogen three times. The mixture was heated to 100 ° C and stirred for 18 hours. LCMS showed complete conversion of the starting material and detection of the desired product. The reaction was cooled to 15 <0>C and filtered.
- step 1
- step 1
- step 1
- step 1
- step 1
- step 1
- step 1
- step 1
- step 1
- step 1
- 2,3-Difluorobenzaldehyde (3.00 g, 21.22 mmol, 1.00 eq.) was dissolved in sulfuric acid (18.4 moles per liter, 10.20 mL, 8.89 eq.) and heated to 60 °C over 40 min. At this time, 1-bromopyrrolidine-2,5-dione (4.51 g, 25.33 mmol, 1.20 equivalent) was added in three portions over 20 minutes. Heating under nitrogen for 3 hours, TLC and HPLC showed the reaction was complete.
- step 1
- Trifluoroacetic acid 500 ⁇ l was added to a solution of tert-butyl-piperazine-l-butyl ester (15 mg, 26.57 ⁇ mol, 1.00 eq.) in dichloromethane (1 mL). The mixture was stirred at 25 ° C for 1 hour. LCMS showed complete conversion of the starting material and detection of the desired product. The residue obtained by EtOAc (EtOAc m.
- step 1
- step 1
- step 1
- step 1
- step 1
- N,N-Dimethylpiperidin-4-amine (100.00 mg, 779.97 micromoles, 1.00 equivalents) and 5-bromo-2-nitropyridine (158.33 mg, 779.97 micromoles, 1.00 equivalents) under nitrogen.
- BINAP 48.57 mg, 78.00 micromoles, 0.10 equivalents
- cesium carbonate 508.26 mg, 1.56 mmol, 2.00 eq.
- Pd(OAc) 2 (17.51 mg) were added. , 78.00 micromoles, 0.10 equivalents
- the reaction mixture was heated to 90 ° C and stirred for 16 hours. TLC showed that the starting material had reacted completely.
- step 1
- step 1
- step 1
- step 1
- the reaction mixture was stirred at 30 ° C for 4 hours. LCMS showed the reaction was complete.
- the reaction mixture was concentrated to dryness crystals crystals crystals crystals crystals crystalssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss 13.59% yield).
- step 1
- H 2 O 2 (58.06 g, 1.71 mol, 21.28 equivalent) was slowly added dropwise to H 2 SO 4 (184.00 g, 1.88 mol, 23.39 equiv) cooled to 0 ° C, maintaining the temperature below -20 ° C during the dropwise addition.
- 5-bromo-4-methyl-2-amine (15.00 g, 80.20 mmol, 1.00 equiv) in H 2 SO 4 (100.00 ml).
- the reaction mixture was stirred for 45 minutes in an ice bath and then warmed to 30 °C. After three hours, the color of the reaction liquid changed from grass green to bright yellow.
- EtOAc EtOAc m. m.. . LCMS (ESI) m/z:21.21. (M+1)
- step 1
- step 1
- the present invention relates to a compound of selective CDK4 / 6 inhibitor, e.g., their enzyme activity of CDK2 (comparative IC 50 values) than CDK4 / 6 difference.
- the following experimental results confirm that the compounds listed in this patent are indeed specific CDK4/6 inhibitors and can be used as potential anticancer drugs.
- the IC 50 as used herein refers to the concentration of the corresponding reagent when a certain reagent is used to produce 50% maximal inhibition.
- the compounds of the present invention also have unpredictable biological activities, for example, in Example 13, which is not an efflux transporter substrate, whereas palbociclib and LY2835219 experiments have demonstrated efflux transporter substrates.
- Example 13 compares palbociclib and LY2835219 with the potential to treat brain metastases, which accounts for about 15% of breast cancer patients.
- the biological activities shown herein are only representative of the biological activities of some individual embodiments.
- CDK2/cyclin A CDK4/cyclin D1, CDK6/cyclin D1 (Life technology).
- ULight labeled polypeptide substrates ULight-4E-BP1 and ULight-MBP (PerkinElmer).
- a sputum-labeled anti-myelin base protein antibody and a sputum-labeled rabbit-derived antibody (PerkinElmer) were subjected to signal detection by a Envision multi-label analyzer (PerkinElmer).
- the compound to be tested was diluted three-fold, including 10 concentration gradients, and the final concentration ranged from 5 uM to 0.25 nM.
- the standard Lance Ultra method is performed by a 10 ⁇ L enzyme reaction system containing 0.5 nM CDK2/cyclin A protein, 100 nM ULight-MBP polypeptide, and 25 ⁇ M ATP. They were dissolved in the enzyme buffer.
- the buffer components included: hydroxyethylpiperazine ethanesulfuric acid solution 50 mM in PH7.5, ethylenediaminetetraacetic acid 1 mM, magnesium chloride 10 mM, 0.01% Brij-35, dithiosulphate. Sugar alcohol 2 mM.
- the OptiPlate 384 well plate was sealed with a top heat seal film TopSeal-A and incubated for 60 minutes at room temperature.
- the standard Lance Ultra method was performed by a 10 ⁇ L enzyme reaction system containing 0.3 nM CDK4/cyclin D1 protein, 50 nMULight-4E-BP1 polypeptide, and 350 ⁇ M ATP. They were dissolved in the enzyme buffer.
- the buffer components included: hydroxyethylpiperazine ethanesulfuric acid solution 50 mM in PH7.5, ethylenediaminetetraacetic acid 1 mM, magnesium chloride 10 mM, 0.01% Brij-35, dithiosulphate. Sugar alcohol 2 mM.
- the OptiPlate 384 well plate was sealed with a top heat seal film TopSeal-A and incubated at room temperature for 180 minutes.
- the standard Lance Ultra method was performed by a 10 ⁇ L enzyme reaction system containing 0.8 nM CDK6/cyclin D1 protein, 50 nMULight-4E-BP1 polypeptide, and 250 ⁇ M ATP. They were dissolved in the enzyme buffer.
- the buffer solution consisted of 50 mM hydroxyethylpiperazine ethanesulfuric acid solution at pH 7.5, 1 mM ethylenediaminetetraacetic acid, 10 mM magnesium chloride, 0.01% Brij-35, dithiothreose. Alcohol 2 mM.
- the OptiPlate 384 well plate was sealed with a top heat seal film TopSeal-A and incubated at room temperature for 180 minutes.
- the enzyme reaction termination buffer was prepared, and EDTA was dissolved in a 1-fold diluted assay buffer, and the reaction was terminated at room temperature for 5 minutes. 5 ⁇ L of the test mixture (configured with tritiated anti-myelin antibody and tritiated rabbit-derived antibody, respectively) was added to the CDK2/cyclin A, CDK4/cyclin D1, and CDK6/cyclin D1 reactions, respectively. After incubating for 60 min at room temperature, the reaction signal was detected using an Envision instrument according to the principle of time-resolved fluorescence resonance energy transfer.
- the original data is converted to the inhibition rate using the equation (Max-Ratio)/(Max-Min)*100%, and the value of IC50 can be obtained by curve fitting with four parameters (205 modal in XLFIT5, iDBS).
- Table 1 provides the inhibitory activity of the compounds of the invention on CDK2/CDK4/CDK6 kinase.
- RPMI 1640 medium, fetal bovine serum, penicillin/streptomycin antibiotics were purchased from Promega (Madison, WI).
- the MCF-7 cell line and the MDA-MB-436 cell line were purchased from the European Cell Culture Collection (ECACC). Envision Multi-Label Analyzer (PerkinElmer).
- MCF-7 cells were seeded in black 384-well plates, 45 ⁇ L of cell suspension per well containing 200 MCF-7 cells. The cell plates were placed in a carbon dioxide incubator for overnight culture.
- the test compound was diluted 3-fold to the 10th concentration with Bravo, i.e., diluted from 10 ⁇ M to 0.508 nM, and a double-replica experiment was set.
- the cell plates were incubated in a carbon dioxide incubator for 6 days.
- Table 1 provides the inhibitory activity of the compounds of the present invention on the proliferation of MCF-7 and MDA-MB-436 cells.
- the compounds of the present invention have significant inhibitory activity against CDK4 and CDK6 kinase and are highly selective for CDK2 kinase.
- the compound of the present invention has significant proliferation inhibitory activity against estrogen receptor-positive MCF-7 breast cancer cells, and has poor proliferation inhibitory activity against estrogen receptor-negative MDA-MB-436 cells.
- Examples 3, 9, 10, and 15 have higher inhibitory activities against CDK4 and CDK6 kinase than the reference compounds Palbociclib and LY2835219;
- Examples 3, 7, 9, 10, and 15 have higher ratios than the reference compounds Palbociclib and LY2835219.
- Caco-2 cells are an in vitro model widely used to study intestinal absorption, a human colon cancer cell.
- the monolayer Caco-2 cell model has been widely used to assess passive and active transport processes during intestinal absorption.
- GF120918A is a strong efflux transporter inhibitor, and these efflux transporters include P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP).
- P-gp P-glycoprotein
- BCRP breast cancer resistance protein
- the experimental standard conditions are as follows:
- n 2;
- -Transport buffer HBSS, pH 7.4;
- the sample solution in the administration well and the receiving well was immediately mixed with the cold acetonitrile solution containing the internal standard.
- the concentration of the test compound in all samples was analyzed by the LC/MS/MS method. And calculate the apparent permeability coefficient, the ratio of the external row and other parameters.
- Example 7 has a higher permeability, and the absorption and transport in vivo is less likely to be affected by the efflux transporter. Better permeability may allow Example 7 to be more distributed in tissues in the body (such as the breast, lungs), resulting in better in vivo anti-tumor efficacy. At the same time, better permeability makes it possible for Example 7 to penetrate the blood-brain barrier for the purpose of treating breast cancer or lung cancer brain metastasis.
- Example 7 concentrations of brain and plasma in rats at different time after oral administration of Example 7 and reference compounds Palbociclib and LY2835219 were determined by LC/MS/MS method to evaluate the distribution of brain tissue. .
- Table 3 shows brain tissue exposure data for Example 7 of the present invention and the reference compounds Palbociclib and LY2835219 at a dose of 10 mg/kg orally.
- the results showed that Example 7 of the present invention had higher rat brain tissue exposure than the reference compounds Palbociclib and LY2835219 at both time points of 0.5 hours and 2 hours, indicating that Example 7 is advantageous for development into a cancer brain.
- the exposure of the seventh embodiment of the present invention to the brain was significantly decreased after 8 hours, between the reference compounds Palbociclib and LY2835219, indicating that the seventh embodiment of the present invention does not accumulate in the brain for too long. , has a good security.
- mice Female, 6-8 weeks, weighing approximately 18-22 grams, maintained the mice in a special pathogen free environment and in a single ventilated cage (10 mice per cage). All cages, bedding and water are disinfected prior to use. All animals are free to access a standard certified commercial laboratory diet. A total of 100 mice purchased from Shanghai BK Laboratory Animal Co., LTD were used for the study. Mice were implanted with estrogen per sheet (0.36 g, 60 day slow release) in the left flank flank three days later, each mouse was implanted tumor cells (10x 10 6 0.2 mL phosphate at the right flank flank In buffer) for tumor growth. Dosing begins when the average tumor volume reaches about 150-200 cubic millimeters.
- the test compound was orally administered daily as shown in Table 5.
- the anti-tumor efficacy is determined by dividing the average tumor-increased volume of the treated animals by the average tumor-increased volume of the untreated animals.
- Example 3 and Example 7 of the present invention demonstrated significant anti-tumor activity in a human cancer cell line-based xenograft (CDX) model of MCF-7 breast cancer.
- CDX human cancer cell line-based xenograft
- Example 3 Cubic millimeters slowly increased to 432 cubic millimeters, and the growth rate was significantly slower than that of the reference compounds Palbociclib and LY2835219, considering that the dose of the administration of Example 3 (25 mg/kg) was only half of the reference compound LY2835219 (50 mg/kg) or the reference compound. Nearly half of Palbociclib (45 mg/kg) (experimentally proven that Palbeciclib is not tolerated at high doses), we believe that the antitumor activity of Example 3 is significantly better than the two reference compounds.
- Example 7 At the same time, after 21 days of administration, the tumor volume of the animal group in Example 7 slowly increased from the initial 187 mm 3 to 350 mm 3 , and the growth rate was significantly slower than that of the same dose of the reference compound LY2835219, indicating the same The antitumor activity of Example 7 was more pronounced compared to the dose of the reference compound LY2835219.
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Abstract
Description
Claims (12)
- 式(Ⅰ)所示化合物或其药学上可接受的盐,其中,R1选自H、卤素、OH、NH2、C1-8烷基、C2-8烯基、C2-8烯烷基、C3-7环烷基;R2选自H、卤素、C1-8烷基、C3-7环烷基、芳基或杂芳基;R3选自H、卤素、-OR8、-SR8、-N(R8)(R9)或C1-3烷基;R4、R5、R6分别独立地选自H、卤素、OH、NH2、CN、NO2、=O,或选自任选被1、2或3个R取代的:C1-8烷基、C1-8烷氨基、N,N-二(C1-8烷基)氨基、C1-8烷氧基-C1-8烷基-、C1-8羟基烷基、C2-8烯基、C2-8炔基、C3-7环烷基、或3~7元杂环烷基;任选地,R4、R5、R6中的任意两个可以共同形成一个3~7元环;R7选自H、卤素、-OR8、-SR8、-N(R8)(R9)或C3-7环烷基;X1、X2、X3、X4分别独立地选自N或C(R10);X7选自羰基或C(R11)(R12);W选自O、S、或单键;T选自N或C(R10),并且,当W选自O或S时,T不为N;Q选自N或C(R10);m、n分别独立地选自0、1、或2;R8、R9分别独立地选自H、C1-8烷基、C3-7环烷基;R选自F、Cl、Br、I、NH2、CN、OH、CF3、CHF2、CH2F、NHCH3、N(CH3)2;任选地,R8与R9连接在同一个原子上形成含1~4个杂原子的3~7元环;“杂”或“杂原子”代表O、S、S(=O)、S(=O)2或N;R10选自H、卤素、OH、NH2、CN、C1-6烷基、C1-6烷氧基、C3-5环烷基、CN、-OR8,-SR8、-N(R8)(R9)、-C(=O)R8、-C(=O)OR8、-C(=O)N(R8)(R9)、-S(=O)R8、-S(=O)2R8、-S(=O)N(R8)(R9)或-S(=O)2N(R8)(R9);R11和R12分别独立地选自H、OH、卤素、C1-8烷基或C3-7环烷基;任选地,R4与R10连接在同一个原子上形成一个3~7元环;
- 根据权利要求1所述化合物、或其药学上可接受的盐,其中,R1选自异丙基、2-丙烯基或烯丙基。
- 根据权利要求1所述化合物、或其药学上可接受的盐,其中,R2选自甲基、苯基。
- 根据权利要求1所述化合物,其中,R3选自F。
- 根据权利要求1所述化合物、或其药学上可接受的盐,其中,R7选自H、F或Cl。
- 根据权利要求1所述化合物、或其药学上可接受的盐,其中,X4选自N或CH。
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| CA2978363A CA2978363C (en) | 2015-03-11 | 2016-03-10 | 2-HYDROGEN-PYRAZOLE SUBSTITUTE DERIVATIVE USED AS AN ANTI-CANCER DRUGS |
| RU2017131559A RU2722363C2 (ru) | 2015-03-11 | 2016-03-10 | Замещенное производное 2н-пиразола |
| CN201680014066.3A CN107428731B (zh) | 2015-03-11 | 2016-03-10 | 作为抗癌药物的取代的2-氢-吡唑衍生物 |
| ES16761108T ES2806206T3 (es) | 2015-03-11 | 2016-03-10 | Derivado de 2-hidrógeno pirazol sustituido que sirve como fármaco anticanceroso |
| EP16761108.6A EP3269715B1 (en) | 2015-03-11 | 2016-03-10 | Substituted 2-hydrogen-pyrazole derivative serving as anticancer drug |
| HK18104212.4A HK1244803B (zh) | 2015-03-11 | 2016-03-10 | 作为抗癌药物的取代的2-氢-吡唑衍生物 |
| AU2016228660A AU2016228660B2 (en) | 2015-03-11 | 2016-03-10 | Substituted 2-hydrogen-pyrazole derivative serving as anticancer drug |
| JP2017547403A JP6726677B2 (ja) | 2015-03-11 | 2016-03-10 | 抗がん剤としての置換2−h−ピラゾール誘導体 |
| US15/557,210 US9969719B2 (en) | 2015-03-11 | 2016-03-10 | Substituted 2-hydrogen-pyrazole derivative serving as anticancer drug |
| CN202010144732.3A CN111333627B (zh) | 2015-03-11 | 2016-03-10 | 作为抗癌药物的取代的2-氢-吡唑衍生物 |
| KR1020177028357A KR102615733B1 (ko) | 2015-03-11 | 2016-03-10 | 항암제로서의 치환 2-h-피라졸 유도체 |
| BR112017019286-1A BR112017019286B1 (pt) | 2015-03-11 | 2016-03-10 | Derivados de 2h-pirazol substituídos ou um sal farmacêuticamente aceitável dos mesmos |
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| EP (1) | EP3269715B1 (zh) |
| JP (1) | JP6726677B2 (zh) |
| KR (1) | KR102615733B1 (zh) |
| CN (2) | CN111333627B (zh) |
| AU (1) | AU2016228660B2 (zh) |
| BR (1) | BR112017019286B1 (zh) |
| CA (1) | CA2978363C (zh) |
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| CN107382974A (zh) * | 2017-06-08 | 2017-11-24 | 扬州市三药制药有限公司 | 一种嘧啶胺类化合物作为周期蛋白依赖性激酶4/6抑制剂的应用 |
| WO2018045993A1 (zh) * | 2016-09-09 | 2018-03-15 | 正大天晴药业集团股份有限公司 | 一种取代的2-氢-吡唑衍生物的晶型、盐型及其制备方法 |
| CN109503573A (zh) * | 2017-09-14 | 2019-03-22 | 昆明圣加南生物科技有限公司 | 2-取代苯胺基嘧啶衍生物及其用途 |
| WO2019082143A1 (en) | 2017-10-27 | 2019-05-02 | Fresenius Kabi Oncology Ltd. | IMPROVED PROCESS FOR THE PREPARATION OF RIBOCICLIB AND ITS SALTS |
| CN111315379A (zh) * | 2017-08-15 | 2020-06-19 | 北京轩义医药科技有限公司 | Cdk4/6抑制剂及其用途 |
| WO2020224568A1 (en) * | 2019-05-05 | 2020-11-12 | Qilu Regor Therapeutics Inc. | Cdk inhibitors |
| US10858359B2 (en) | 2016-06-07 | 2020-12-08 | Jacobio Pharmaceuticals Co., Ltd. | Heterocyclic ring derivatives useful as SHP2 inhibitors |
| US10988466B2 (en) | 2017-03-23 | 2021-04-27 | Jacobio Pharmaceuticals Co., Ltd. | Heterocyclic derivatives useful as SHP2 inhibitors |
| JP2021512161A (ja) * | 2018-01-29 | 2021-05-13 | ベータ ファーマ,インコーポレイテッド | Cdk4およびcdk6阻害剤としての2h−インダゾール誘導体およびその治療上の使用 |
| US11021514B2 (en) | 2016-06-01 | 2021-06-01 | Athira Pharma, Inc. | Compounds |
| CN113507930A (zh) * | 2019-01-29 | 2021-10-15 | 贝达医药公司 | 2h-吲唑衍生物作为脑癌和脑转移的治疗剂 |
| US11174252B2 (en) | 2018-02-15 | 2021-11-16 | Nuvation Bio Inc. | Heterocyclic compounds as kinase inhibitors |
| WO2021259203A1 (zh) | 2020-06-22 | 2021-12-30 | 正大天晴药业集团股份有限公司 | 一种cdk4/6抑制剂的制备方法 |
| WO2022113003A1 (en) | 2020-11-27 | 2022-06-02 | Rhizen Pharmaceuticals Ag | Cdk inhibitors |
| CN114605390A (zh) * | 2020-12-04 | 2022-06-10 | 上海凌达生物医药有限公司 | 具有cdk激酶抑制活性的化合物、其药物组合物和用途 |
| WO2022149057A1 (en) | 2021-01-05 | 2022-07-14 | Rhizen Pharmaceuticals Ag | Cdk inhibitors |
| WO2022184146A1 (zh) | 2021-03-03 | 2022-09-09 | 正大天晴药业集团股份有限公司 | Cdk4/6抑制剂的联用药物组合物及其用途 |
| WO2023046200A1 (zh) | 2021-09-27 | 2023-03-30 | 正大天晴药业集团股份有限公司 | Cdk4/6抑制剂和芳香酶抑制剂的联用药物组合物 |
| WO2023237055A1 (zh) | 2022-06-09 | 2023-12-14 | 正大天晴药业集团股份有限公司 | 一种cdk4/6抑制剂治疗去分化脂肪肉瘤的用途 |
| WO2024032751A1 (zh) * | 2022-08-12 | 2024-02-15 | 正大天晴药业集团股份有限公司 | 一种取代的2-氢-吡唑衍生物的晶型及其制备方法 |
| WO2024165068A1 (zh) | 2023-02-09 | 2024-08-15 | 正大天晴药业集团股份有限公司 | 取代2-氢-吡唑衍生物的联用药物组合物及其用途 |
| US12233062B2 (en) | 2018-09-26 | 2025-02-25 | Jacobio Pharmaceuticals Co., Ltd. | Heterocyclic derivatives useful as SHP2 inhibitors |
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| TW202102487A (zh) * | 2019-03-20 | 2021-01-16 | 美商貝達醫藥公司 | N-(5-((4-乙基哌𠯤-1-基)甲基)吡啶-2-基)-5-氟-4-(3-異丙基-2-甲基-2h-吲唑-5-基)嘧啶-2-胺及其鹽的結晶與非晶型以及其製備方法與醫療用途 |
| CN114539225B (zh) * | 2020-11-11 | 2024-02-20 | 上海拓界生物医药科技有限公司 | 2-氨基-嘧啶类化合物 |
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| US11021514B2 (en) | 2016-06-01 | 2021-06-01 | Athira Pharma, Inc. | Compounds |
| US12421276B2 (en) | 2016-06-01 | 2025-09-23 | Athira Pharma, Inc. | Methods of treating neurodegenerative disease with substituted n-hexanoic-l-tyrosine-l-isoleucine-(6)-aminohexanoic amide analogues |
| US10858359B2 (en) | 2016-06-07 | 2020-12-08 | Jacobio Pharmaceuticals Co., Ltd. | Heterocyclic ring derivatives useful as SHP2 inhibitors |
| US10626107B2 (en) | 2016-09-09 | 2020-04-21 | Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | Crystal form, salt type of substituted 2-hydro-pyrazole derivative and preparation method therefor |
| WO2018045993A1 (zh) * | 2016-09-09 | 2018-03-15 | 正大天晴药业集团股份有限公司 | 一种取代的2-氢-吡唑衍生物的晶型、盐型及其制备方法 |
| CN106588884B (zh) * | 2016-11-10 | 2019-04-09 | 浙江大学 | 2-多取代芳环-嘧啶类衍生物及制备和医药用途 |
| WO2018086546A1 (zh) * | 2016-11-10 | 2018-05-17 | 浙江大学 | 2-多取代芳环-嘧啶类衍生物及制备和医药用途 |
| JP2019537598A (ja) * | 2016-11-10 | 2019-12-26 | 浙江大学Zhejiang University | 2−多置換芳香族環−ピリミジン系誘導体及びその調製と医学的用途 |
| CN106588884A (zh) * | 2016-11-10 | 2017-04-26 | 浙江大学 | 2‑多取代芳环‑嘧啶类衍生物及制备和医药用途 |
| US10988466B2 (en) | 2017-03-23 | 2021-04-27 | Jacobio Pharmaceuticals Co., Ltd. | Heterocyclic derivatives useful as SHP2 inhibitors |
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| CN111315379A (zh) * | 2017-08-15 | 2020-06-19 | 北京轩义医药科技有限公司 | Cdk4/6抑制剂及其用途 |
| CN109503573A (zh) * | 2017-09-14 | 2019-03-22 | 昆明圣加南生物科技有限公司 | 2-取代苯胺基嘧啶衍生物及其用途 |
| WO2019082143A1 (en) | 2017-10-27 | 2019-05-02 | Fresenius Kabi Oncology Ltd. | IMPROVED PROCESS FOR THE PREPARATION OF RIBOCICLIB AND ITS SALTS |
| US11440912B2 (en) | 2017-10-27 | 2022-09-13 | Fresenius Kabi Oncology Ltd | Process for the preparation of ribociclib and its salts |
| JP2021512161A (ja) * | 2018-01-29 | 2021-05-13 | ベータ ファーマ,インコーポレイテッド | Cdk4およびcdk6阻害剤としての2h−インダゾール誘導体およびその治療上の使用 |
| JP7337395B2 (ja) | 2018-01-29 | 2023-09-04 | ベータ ファーマ,インコーポレイテッド | Cdk4およびcdk6阻害剤としての2h-インダゾール誘導体およびその治療上の使用 |
| US11174252B2 (en) | 2018-02-15 | 2021-11-16 | Nuvation Bio Inc. | Heterocyclic compounds as kinase inhibitors |
| US12233062B2 (en) | 2018-09-26 | 2025-02-25 | Jacobio Pharmaceuticals Co., Ltd. | Heterocyclic derivatives useful as SHP2 inhibitors |
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| TWI875756B (zh) * | 2019-05-05 | 2025-03-11 | 美商基尼特奇公司 | Cdk抑制劑 |
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| KR102898876B1 (ko) | 2019-05-05 | 2025-12-12 | 제넨테크, 인크. | Cdk 억제제 |
| CN114364675A (zh) * | 2019-05-05 | 2022-04-15 | 上海齐鲁锐格医药研发有限公司 | Cdk抑制剂 |
| IL287767B1 (en) * | 2019-05-05 | 2024-10-01 | Qilu Regor Therapeutics Inc | Cdk inhibitors |
| CN115803327A (zh) * | 2019-05-05 | 2023-03-14 | 上海齐鲁锐格医药研发有限公司 | Cdk抑制剂 |
| TWI895410B (zh) * | 2019-05-05 | 2025-09-01 | 美商基尼特奇公司 | Cdk抑制劑 |
| KR20220004755A (ko) * | 2019-05-05 | 2022-01-11 | 치루 레고르 테라퓨틱스 인코포레이티드 | Cdk 억제제 |
| US12285429B2 (en) | 2019-05-05 | 2025-04-29 | Genentech, Inc. | CDK inhibitors |
| CN115803327B (zh) * | 2019-05-05 | 2024-02-13 | 锐格医药有限公司 | Cdk抑制剂 |
| IL287767B2 (en) * | 2019-05-05 | 2025-02-01 | Qilu Regor Therapeutics Inc | CDK inhibitors |
| CN115768763B (zh) * | 2020-06-22 | 2025-09-09 | 正大天晴药业集团股份有限公司 | 一种cdk4/6抑制剂的制备方法 |
| US12570633B2 (en) | 2020-06-22 | 2026-03-10 | Chia Tai Tianqing Pharmaceutical Group Co., Ltd | Preparation method for CDK4/6 inhibitor |
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| WO2021259203A1 (zh) | 2020-06-22 | 2021-12-30 | 正大天晴药业集团股份有限公司 | 一种cdk4/6抑制剂的制备方法 |
| WO2022113003A1 (en) | 2020-11-27 | 2022-06-02 | Rhizen Pharmaceuticals Ag | Cdk inhibitors |
| CN114605390B (zh) * | 2020-12-04 | 2024-08-16 | 上海凌达生物医药有限公司 | 具有cdk激酶抑制活性的化合物、其药物组合物和用途 |
| CN114605390A (zh) * | 2020-12-04 | 2022-06-10 | 上海凌达生物医药有限公司 | 具有cdk激酶抑制活性的化合物、其药物组合物和用途 |
| WO2022149057A1 (en) | 2021-01-05 | 2022-07-14 | Rhizen Pharmaceuticals Ag | Cdk inhibitors |
| WO2022184146A1 (zh) | 2021-03-03 | 2022-09-09 | 正大天晴药业集团股份有限公司 | Cdk4/6抑制剂的联用药物组合物及其用途 |
| WO2023046200A1 (zh) | 2021-09-27 | 2023-03-30 | 正大天晴药业集团股份有限公司 | Cdk4/6抑制剂和芳香酶抑制剂的联用药物组合物 |
| WO2023237055A1 (zh) | 2022-06-09 | 2023-12-14 | 正大天晴药业集团股份有限公司 | 一种cdk4/6抑制剂治疗去分化脂肪肉瘤的用途 |
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| CN119731164A (zh) * | 2022-08-12 | 2025-03-28 | 正大天晴药业集团股份有限公司 | 一种取代的2-氢-吡唑衍生物的晶型及其制备方法 |
| WO2024165068A1 (zh) | 2023-02-09 | 2024-08-15 | 正大天晴药业集团股份有限公司 | 取代2-氢-吡唑衍生物的联用药物组合物及其用途 |
| EP4663633A1 (en) | 2023-02-09 | 2025-12-17 | Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | Combined pharmaceutical composition of substituted 2-hydrogen-pyrazole derivative and use thereof |
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| CA2978363A1 (en) | 2016-09-15 |
| AU2016228660B2 (en) | 2020-05-07 |
| EP3269715B1 (en) | 2020-05-13 |
| JP6726677B2 (ja) | 2020-07-22 |
| TWI688559B (zh) | 2020-03-21 |
| CA2978363C (en) | 2024-09-10 |
| KR102615733B1 (ko) | 2023-12-18 |
| BR112017019286A2 (zh) | 2018-05-02 |
| ES2806206T3 (es) | 2021-02-16 |
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| CN107428731B (zh) | 2020-05-05 |
| TW201639831A (zh) | 2016-11-16 |
| AU2016228660A1 (en) | 2017-10-19 |
| EP3269715A4 (en) | 2018-08-08 |
| CN111333627A (zh) | 2020-06-26 |
| CN111333627B (zh) | 2024-09-13 |
| CN107428731A (zh) | 2017-12-01 |
| HK1244803A1 (zh) | 2018-08-17 |
| EP3269715A1 (en) | 2018-01-17 |
| US20180072707A1 (en) | 2018-03-15 |
| US9969719B2 (en) | 2018-05-15 |
| BR112017019286B1 (pt) | 2023-02-14 |
| RU2722363C2 (ru) | 2020-05-29 |
| RU2017131559A (ru) | 2019-04-11 |
| RU2017131559A3 (zh) | 2019-04-11 |
| JP2018507883A (ja) | 2018-03-22 |
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