WO2021104277A1 - 作为dna-pk抑制剂的嘧啶并咪唑类化合物 - Google Patents

作为dna-pk抑制剂的嘧啶并咪唑类化合物 Download PDF

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WO2021104277A1
WO2021104277A1 PCT/CN2020/131275 CN2020131275W WO2021104277A1 WO 2021104277 A1 WO2021104277 A1 WO 2021104277A1 CN 2020131275 W CN2020131275 W CN 2020131275W WO 2021104277 A1 WO2021104277 A1 WO 2021104277A1
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compound
reaction
solution
reduced pressure
under reduced
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PCT/CN2020/131275
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English (en)
French (fr)
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陈新海
夏尚华
陈兆国
郭祖浩
于衍新
周凯
胡伯羽
张丽
姜奋
王晶晶
胡国平
黎健
陈曙辉
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南京明德新药研发有限公司
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Priority to IL293318A priority Critical patent/IL293318A/en
Priority to EP20892868.9A priority patent/EP4067359A4/en
Priority to JP2022530844A priority patent/JP7383818B2/ja
Priority to US17/779,322 priority patent/US20230026616A1/en
Priority to KR1020227021633A priority patent/KR20220106799A/ko
Priority to AU2020390962A priority patent/AU2020390962B2/en
Priority to CA3159290A priority patent/CA3159290A1/en
Priority to CN202080081020.XA priority patent/CN114728969B/zh
Publication of WO2021104277A1 publication Critical patent/WO2021104277A1/zh

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/26Heterocyclic compounds containing purine ring systems with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both
    • C07D473/32Nitrogen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D519/00Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic 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
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • A61K31/52Purines, e.g. adenine
    • A61K31/522Purines, e.g. adenine having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535Heterocyclic 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
    • A61K31/53751,4-Oxazines, e.g. morpholine
    • A61K31/53771,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535Heterocyclic 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
    • A61K31/53751,4-Oxazines, e.g. morpholine
    • A61K31/53861,4-Oxazines, e.g. morpholine spiro-condensed or forming part of bridged ring systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/18Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one nitrogen atom, e.g. guanine
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic 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
    • C07D487/04Ortho-condensed systems

Definitions

  • the present invention relates to a DNA-PK inhibitor, in particular to a compound represented by formula (IV) or a pharmaceutically acceptable salt thereof, and its application in the preparation of drugs related to DNA-PK inhibitors.
  • DNA breaks especially double-strand breaks (DSBs) are extremely serious damages that can cause loss of genetic material, gene recombination, and lead to cancer or cell death.
  • Eukaryotic cells have evolved a variety of mechanisms to deal with the serious threats caused by DNA double-strand breaks. This is the DNA damage response mechanism (DDR), which mainly includes DNA damage detection, signal transduction, and damage repair.
  • DDR DNA damage response mechanism
  • DNA double-strand break repair mainly includes homologous end joining (HR) repair and non-homologous end joining (NHEJ) repair. In higher eukaryotes, NHEJ repair, which is preferentially used during the early G1/S phase, is the main mechanism.
  • DDR initial damage factors such as MRN will detect and recognize the damage site, recruit phosphoinositide kinase family members (ATM, ATR, DNA-PK), phosphorylate H2AX to promote the formation of ⁇ H2AX, guide downstream signal transduction and recruit related proteins to complete the receptor. Repair of damaged DNA.
  • DNA-PK catalytic subunit belongs to the PI3K-related kinase (PIKK) family, mainly for non-homologous DNA double-strand breaks End join (NHEJ) repair is an important member of DNA damage repair.
  • PIKK PI3K-related kinase
  • NHEJ non-homologous DNA double-strand breaks End join
  • DNA-damaging chemotherapeutics such as bleomycin, topoisomerase II inhibitors such as etoposide and doxorubicin
  • DNA-PK DNA-damaging chemotherapeutics
  • bleomycin bleomycin
  • topoisomerase II inhibitors such as etoposide and doxorubicin
  • doxorubicin DNA-damaging chemotherapeutics
  • DNA-PK inhibitors can inhibit the activity of DNA-PKcs, thereby greatly reducing tumor DNA repair, inducing cells to enter the apoptosis process, and achieving better therapeutic effects.
  • DNA-PK inhibitors can also be used as single drugs to exert therapeutic effects in tumors with defects in other DNA repair pathways.
  • the present invention aims to discover a DNA-PK small molecule inhibitor, which can not only be used as a single drug to exert a therapeutic effect in tumors with defects in other DNA repair pathways. It can also be combined with radiotherapy and chemotherapy drugs to enhance the sensitivity of tumor tissues to radiotherapy and chemotherapy, overcome the problem of drug resistance, and enhance the inhibitory effect on a variety of solid tumors and hematomas. Such compounds have good activity and show excellent effects and functions, and have broad prospects.
  • the present invention provides a compound represented by formula (IV) or a pharmaceutically acceptable salt thereof,
  • E 1 is selected from a single bond, -O- and -C(R 6 R 7 )-;
  • R 1 , R 2 , R 3 , R 4 , R'and R" are each independently selected from H, F and Cl;
  • R 1 and R 2 are connected together to make the structural unit Selected from
  • R 3 and R 4 are connected together to make the structural unit Selected from
  • R 1 and R 4 are connected together to make the structural unit Selected from
  • R 2 , R" and the carbon atom to which they are connected together form a C 3-5 cycloalkyl group
  • R 5 is selected from F, Cl, Br, I, cyclopropyl and C 1-3 alkyl, said C 1-3 alkyl optionally substituted by OH, or two, or three R a;
  • R 6 and R 7 are each independently selected from H, F, Cl, Br, I and CN;
  • R 6 , R 7 and the carbon atoms to which they are connected together form a cyclopropyl group or a 4-membered oxetanyl group;
  • Ring A is selected from C 3-5 cycloalkyl
  • Y 1 is selected from cyclopropyl and C 1-3 alkyl, the C 1-3 alkyl is optionally substituted with 1, 2, 3, 4 or 5 F;
  • R a is selected from H, F, Cl, Br and I.
  • the present invention provides a compound represented by formula (III) or a pharmaceutically acceptable salt thereof,
  • E 1 is selected from a single bond, -O- and -C(R 6 R 7 )-;
  • R 1 , R 2 , R 3 , R 4 , R'and R" are each independently selected from H, F and Cl;
  • R 1 and R 2 are connected together to make the structural unit Selected from
  • R 3 and R 4 are connected together to make the structural unit Selected from
  • R 1 and R 4 are connected together to make the structural unit Selected from
  • R 2 , R" and the carbon atom to which they are connected together form a C 3-5 cycloalkyl group
  • R 5 is selected from F, Cl, Br, I, cyclopropyl and C 1-3 alkyl, said C 1-3 alkyl optionally substituted by OH, or two, or three R a;
  • R 6 and R 7 are each independently selected from H, F, Cl, Br, I and CN;
  • R 6 , R 7 and the carbon atoms to which they are connected together form a cyclopropyl group or a 4-membered oxetanyl group;
  • Ring A is selected from C 3-5 cycloalkyl
  • R a is selected from H, F, Cl, Br and I.
  • the present invention provides a compound represented by formula (II) or a pharmaceutically acceptable salt thereof,
  • E 1 is selected from a single bond, -O- and -C(R 6 R 7 )-;
  • R 1 , R 2 , R 3 , R 4 , R'and R" are each independently selected from H, F and Cl;
  • R 1 and R 2 are connected together to make the structural unit Selected from
  • R 3 and R 4 are connected together to make the structural unit Selected from
  • R 1 and R 4 are connected together to make the structural unit Selected from
  • R 2 , R" and the carbon atom to which they are connected together form a C 3-5 cycloalkyl group
  • R 5 is selected from F, Cl, Br, I, cyclopropyl and C 1-3 alkyl, said C 1-3 alkyl optionally substituted by OH, or two, or three R a;
  • R 6 and R 7 are each independently selected from H, F, Cl, Br, I and CN;
  • R 6 , R 7 and the carbon atoms to which they are connected together form a cyclopropyl group or a 4-membered oxetanyl group;
  • Ring A is selected from C 3-5 cycloalkyl
  • R a is selected from H, F, Cl, Br, I.
  • the invention provides a compound represented by formula (I) or a pharmaceutically acceptable salt thereof
  • R 1 , R 2 , R 3 and R 4 are each independently selected from H, F and Cl;
  • R 1 and R 2 are connected together to make the structural unit for
  • R 3 and R 4 are connected together to make the structural unit for
  • R 5 is selected from F, Cl, Br, I, cyclopropyl and C 1-3 alkyl, said C 1-3 alkyl optionally substituted by OH, or two, or three R a;
  • R a is selected from H, F, Cl, Br, I.
  • the above-mentioned compound is selected from
  • ring B is selected from C 3-5 cycloalkyl
  • Ring C is cyclopropyl or 4-membered oxetanyl group
  • n is selected from 0 and 1;
  • Ring A, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 are as defined in the present invention.
  • the above-mentioned compound is selected from
  • R 5 is as defined in the present invention.
  • R 1 and R 2 are connected together so that the structural unit Selected from Other variables are as defined in the present invention.
  • R 3 and R 4 are connected together to make the structural unit Selected from Other variables are as defined in the present invention.
  • R 1 and R 4 are connected together so that the structural unit Selected from Other variables are as defined in the present invention.
  • the above-mentioned ring A is selected from Other variables are as defined in the present invention.
  • R 6 and R 7 form together with the carbon atom to which they are connected together
  • Other variables are as defined in the present invention.
  • R 1 and R 2 are connected together so that the structural unit for Other variables are as defined in the present invention.
  • R 3 and R 4 are connected together to make the structural unit for Other variables are as defined in the present invention.
  • R 5 is selected from F, Cl, CH 2 OH, CF 3 and CH 3 , and other variables are as defined in the present invention.
  • R 5 is selected from F, Cl and CH 3 , and other variables are as defined in the present invention.
  • the present invention also provides a compound of the following formula or a pharmaceutically acceptable salt thereof
  • the above-mentioned compound or a pharmaceutically acceptable salt thereof is used in the preparation of drugs related to DNA-PK inhibitors.
  • the above-mentioned DNA-PK inhibitor-related drugs as a single drug exert a therapeutic effect on tumors with defects in other DNA repair pathways.
  • the above-mentioned DNA-PK inhibitor-related drugs are combined with radiochemotherapeutic drugs to enhance the inhibitory effect on solid tumors and hematomas.
  • the compound of the present invention exhibits significant DNA-PK kinase inhibitory activity.
  • PK results show that the compound of the present invention has a longer half-life, lower clearance rate and higher drug exposure, and has excellent pharmacokinetic properties, and is a good molecule that can be developed for oral administration.
  • results of in vivo pharmacodynamics show that the compound of the present invention has a significant anti-tumor effect.
  • pharmaceutically acceptable refers to those compounds, materials, compositions and/or dosage forms that are within the scope of reliable 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 the compound of the present invention, which is prepared from a compound with specific substituents discovered in the present invention and a relatively non-toxic acid or base.
  • a base addition salt can be obtained by contacting the compound with a sufficient amount of base in a pure solution or a suitable inert solvent.
  • Pharmaceutically acceptable base addition salts include sodium, potassium, calcium, ammonium, organic amine or magnesium salt or similar salts.
  • the acid addition salt can be obtained by contacting the compound with a sufficient amount of acid in a pure solution or a suitable inert solvent.
  • Examples of pharmaceutically acceptable acid addition salts include inorganic acid salts including, for example, hydrochloric acid, hydrobromic acid, nitric acid, carbonic acid, hydrogen carbonate, phosphoric acid, monohydrogen phosphate, dihydrogen phosphate, sulfuric acid, Hydrogen sulfate, hydroiodic acid, phosphorous acid, etc.; and organic acid salts, 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 methanesulfonic acid; also include salts of amino acids (such as arginine, etc.) , And salts of organic acids such as glucuronic acid.
  • Certain specific compounds of the present invention contain basic and acidic functional groups
  • the pharmaceutically acceptable salt of the present invention can be synthesized from the parent compound containing acid or base by conventional chemical methods.
  • such salts are prepared by reacting these compounds in free acid or base form with a stoichiometric amount of appropriate base or acid in water or an organic solvent or a mixture of both.
  • the compounds of the present invention may exist in specific geometric or stereoisomeric forms.
  • the present invention contemplates all such compounds, including cis and trans isomers, (-)- and (+)-enantiomers, (R)- and (S)-enantiomers, diastereomers Isomers, (D)-isomers, (L)-isomers, and their racemic mixtures and other mixtures, such as enantiomers or diastereomer-enriched mixtures, all of these mixtures belong to this Within the scope of the invention.
  • Additional asymmetric carbon atoms may be present in substituents such as alkyl groups. All these isomers and their mixtures are included in the scope of the present invention.
  • enantiomer or “optical isomer” refers to stereoisomers that are mirror images of each other.
  • cis-trans isomer or “geometric isomer” is caused by the inability to rotate freely because of double bonds or single bonds of ring-forming carbon atoms.
  • diastereomer refers to a stereoisomer in which the molecule has two or more chiral centers and the relationship between the molecules is non-mirror-image relationship.
  • wedge-shaped solid line keys And wedge-shaped dashed key Represents the absolute configuration of a three-dimensional center, with a straight solid line key And straight dashed key Indicates the relative configuration of the three-dimensional center, using wavy lines Represents a wedge-shaped solid line key Or wedge-shaped dashed key Or use wavy lines Represents a straight solid line key Or straight dashed key
  • the term “enriched in one isomer”, “enriched in isomers”, “enriched in one enantiomer” or “enriched in enantiomers” refers to one of the isomers or pairs of
  • the content of the enantiomer is less than 100%, and the content of the isomer or enantiomer is greater than or equal to 60%, or greater than or equal to 70%, or greater than or equal to 80%, or greater than or equal to 90%, or greater than or equal to 95%, or 96% or greater, or 97% or greater, or 98% or greater, or 99% or greater, or 99.5% or greater, or 99.6% or greater, or 99.7% or greater, or 99.8% or greater, or greater than or equal 99.9%.
  • the term “isomer excess” or “enantiomeric excess” refers to the difference between the relative percentages of two isomers or two enantiomers. For example, if the content of one isomer or enantiomer is 90%, and the content of the other isomer or enantiomer is 10%, the isomer or enantiomer excess (ee value) is 80% .
  • optically active (R)- and (S)-isomers and D and L isomers can be prepared by chiral synthesis or chiral reagents or other conventional techniques. If you want to obtain an enantiomer of a compound of the present invention, it can be prepared by asymmetric synthesis or derivatization with chiral auxiliary agents, in which the resulting diastereomeric mixture is separated, and the auxiliary group is cleaved to provide pure The desired enantiomer.
  • the molecule 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 diastereomeric salt with a suitable optically active acid or base, and then passes through a conventional method known in the art The diastereoisomers are resolved, and then the pure enantiomers are recovered.
  • the separation of enantiomers and diastereomers is usually accomplished through the use of chromatography, which employs a chiral stationary phase and is optionally combined with chemical derivatization (for example, the formation of amino groups from amines). Formate).
  • the compound of the present invention may contain unnatural proportions of atomic isotopes on one or more of the atoms constituting the compound.
  • compounds can be labeled with radioisotopes, such as tritium ( 3 H), iodine-125 ( 125 I), or C-14 ( 14 C).
  • deuterium can be substituted for hydrogen to form deuterated drugs.
  • the bond formed by deuterium and carbon is stronger than the bond formed by ordinary hydrogen and carbon.
  • deuterated drugs have reduced toxic side effects and increased drug stability. , Enhance the efficacy, extend the biological half-life of drugs and other advantages. All changes in the isotopic composition of the compounds of the present invention, whether radioactive or not, are included in the scope of the present invention.
  • substituted means that any one or more hydrogen atoms on a specific atom are replaced by substituents, and can include deuterium and hydrogen variants, as long as the valence of the specific atom is normal and the substituted compound is stable of.
  • oxygen it means that two hydrogen atoms are replaced. Oxygen substitution does not occur on aromatic groups.
  • optionally substituted means that it can be substituted or unsubstituted. Unless otherwise specified, the type and number of substituents can be arbitrary on the basis that they can be chemically realized.
  • any variable such as R
  • its definition in each case is independent.
  • the group can optionally be substituted with up to two Rs, and R has independent options in each case.
  • combinations of substituents and/or variants thereof are only permitted if such combinations result in stable compounds.
  • linking group When the number of a linking group is 0, such as -(CRR) 0 -, it means that the linking group is a single bond.
  • the substituent can be bonded with any atom on the ring, for example, a structural unit It means that the substituent R can be substituted at any position on the cyclohexyl or cyclohexadiene.
  • substituents do not indicate which atom is connected to the substituted group, such substituents can be bonded via any atom.
  • a pyridyl group can pass through any one of the pyridine ring as a substituent. The carbon atom is attached to the substituted group.
  • the middle linking group L is -MW-, at this time -MW- can be formed by connecting ring A and ring B in the same direction as the reading order from left to right It can also be formed by connecting ring A and ring B in the opposite direction to the reading order from left to right
  • Combinations of the linking groups, substituents, and/or variants thereof are only permitted if such combinations result in stable compounds.
  • any one or more sites of the group can be connected to other groups through chemical bonds.
  • the connection method of the chemical bond is not positioned, and there is a H atom at the connectable site, when the chemical bond is connected, the number of H atoms at the site will correspondingly decrease with the number of chemical bonds connected to become the corresponding valence number ⁇ The group.
  • the chemical bond between the site and other groups can be a straight solid bond Straight dashed key Or wavy line Said.
  • the straight solid bond in -OCH 3 means that it is connected to other groups through the oxygen atom in the group;
  • the straight dashed bond in indicates that the two ends of the nitrogen atom in the group are connected to other groups;
  • the wavy line in indicates that the phenyl group is connected to other groups through the 1 and 2 carbon atoms;
  • the number of atoms in a ring is generally defined as the number of ring members.
  • “5-7 membered ring” refers to a “ring” in which 5-7 atoms are arranged around.
  • C 1-3 alkyl is used to indicate a linear or branched saturated hydrocarbon group composed of 1 to 3 carbon atoms.
  • the C 1-3 alkyl group includes C 1-2 and C 2-3 alkyl groups, etc.; it can be monovalent (such as methyl), divalent (such as methylene) or multivalent (such as methine) .
  • Examples of C 1-3 alkyl include, but are not limited to, methyl (Me), ethyl (Et), propyl (including n-propyl and isopropyl), and the like.
  • C 3-5 cycloalkyl means a saturated cyclic hydrocarbon group composed of 3 to 5 carbon atoms, which is a monocyclic ring system, and the C 3-5 cycloalkyl includes C 3 -4 and C 4-5 cycloalkyl, etc.; it can be monovalent, divalent or multivalent.
  • Examples of C 3-5 cycloalkyl include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl and the like.
  • C n-n+m or C n -C n+m includes any specific case of n to n+m carbons, for example, C 1-12 includes C 1 , C 2 , C 3 , C 4 , C 5 , C 6 , C 7 , C 8 , C 9 , C 10 , C 11 , and C 12 , including any range from n to n+m, for example, C 1- 12 includes C 1-3 , C 1-6 , C 1-9 , C 3-6 , C 3-9 , C 3-12 , C 6-9 , C 6-12 , and C 9-12, etc.; similarly, from n to n +m member means that the number of atoms in the ring is n to n+m, for example, 3-12 membered ring includes 3-membered ring, 4-membered ring, 5-membered ring, 6-membered ring, 7-membered ring, 8-membered ring, and 9-membered ring, and 9
  • 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, the embodiments formed by combining them with other chemical synthesis methods, and those well known to those skilled in the art Equivalent alternatives, preferred implementations include but are not limited to the embodiments of the present invention.
  • the structure of the compound of the present invention can be confirmed by conventional methods well known to those skilled in the art. If the present invention relates to the absolute configuration of the compound, the absolute configuration can be confirmed by conventional technical means in the field.
  • SXRD single crystal X-ray diffraction
  • the cultured single crystal is collected with a Bruker D8venture diffractometer to collect diffraction intensity data
  • the light source is CuK ⁇ radiation
  • the scanning method After scanning and collecting relevant data, the direct method (Shelxs97) is further used to analyze the crystal structure to confirm the absolute configuration.
  • the solvent used in the present invention is commercially available.
  • eq stands for equivalent
  • DMSO dimethyl sulfoxide
  • ATP adenosine triphosphate
  • EDTA ethylenediaminetetraacetic acid
  • DNA stands for deoxyribonucleic acid
  • PEG polyethylene glycol
  • Balb/c stands for Mouse strain.
  • reaction solution was filtered through celite and concentrated under reduced pressure to obtain a crude product.
  • the crude product was dissolved in tetrahydrofuran (100 mL), 3N hydrochloric acid (20 mL) was added thereto and stirred at 20°C for 0.5 hour.
  • water 100mL was added to the reaction solution, extracted with ethyl acetate (100mL*3), and the organic phase was discarded; the aqueous phase was added with ammonia (30mL) to adjust the pH to alkalinity, and ethyl acetate (100mL) was added to the aqueous phase.
  • MS m/z 430.0[M+Na] + ;
  • MS m/z 407.3 [M+H] + .
  • MS m/z 407.3 [M+H] + .
  • reaction solution was concentrated under reduced pressure, followed by adding tetrahydrofuran (10mL) and 3mol/L hydrochloric acid solution (3mL), stirring at 20°C for 0.5 hours, and then adding water (20mL) to dilute, ethyl acetate (15mL*2) Extract and discard the organic phase.
  • Chloroacetaldehyde (5.26g, 26.80mmol, 670.12 ⁇ L, 40% purity, 1.2eq) was added to the mixed solution of compound 23a (4.2g, 22.34mmol, 1eq) in ethanol (42mL) and water (17.5mL). The reaction solution was reacted at 100°C for 16 hours.
  • Experimental example 1 DNA-dependent protein kinase (DNA-PK) inhibitory activity screening experiment
  • HTRF uniform time-resolved fluorescence
  • the compound of the present invention has significant DNA-PK kinase inhibitory activity.
  • Test compound and 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water (compounds 1, 4, 10, 17) or 20% N,N-dimethylacetamide/80% water ( Compound 5) was mixed, vortexed and sonicated to obtain 0.08 mg/mL (compound 1, 4, 10, 17) or 0.50 mg/mL (compound 5) approximately clear solution, which was filtered with a microporous membrane for use.
  • Test compound and 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water (compound 1,4,10,17) or 20%-hydroxypropyl- ⁇ -cyclodextrin (compound 5) Mix, vortex and sonicate to prepare a 0.2 mg/mL (compound 1, 4, 10, 17) or 1 mg/mL (compound 5) approximately clear solution, which is filtered through a microporous membrane for use.
  • Collect whole blood for a certain period of time prepare plasma, analyze drug concentration by LC-MS/MS method, and use Phoenix WinNonlin software (Pharsight, USA) to calculate pharmacokinetic parameters.
  • IV intravenous injection
  • PO oral
  • C 0 instantaneous required concentration after intravenous injection
  • C max highest blood concentration after administration
  • T max time required to reach peak drug concentration after administration
  • T 1/2 the time required for the blood concentration to drop by half
  • V dss the apparent volume of distribution, which refers to the constant proportionality between the amount of the drug in the body and the concentration of the blood when the drug reaches dynamic equilibrium in the body.
  • the compound of the present invention exhibits a longer half-life, lower clearance rate and higher drug exposure, and has better pharmacokinetic properties in vivo.
  • the test compound was mixed with 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water, vortexed and sonicated to prepare a 0.4mg/mL (compound 5) approximately clear solution, which was filtered through a microporous membrane. use.
  • the test compound was mixed with 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water, vortexed and sonicated to prepare an approximately clear solution of 1 mg/mL, which was filtered with a microporous membrane for use.
  • the compound of the present invention exhibits a longer half-life, lower clearance rate and higher drug exposure, and has better pharmacokinetic properties in vivo.
  • test compound was mixed with 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water, vortexed and sonicated to prepare 0.5 mg/mL (compound 5) or 1 mg/mL (compound 17) approximately clear
  • the solution is filtered by a microporous membrane for use.
  • Select SD male rats and give the candidate compound solution intravenously at a dose of 1 mg/kg (compound 5) or 2 mg/kg (compound 17).
  • the test compound was mixed with 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water, vortexed and sonicated to prepare a 4 mg/mL homogeneous suspension (compound 5) or 1 mg/mL approximately clear solution (Compound 17).
  • SD male rats were selected and the candidate compound solution was orally administered with a dose of 40 mg/kg (compound 5) or 10 mg/kg (compound 17).
  • the compound of the present invention exhibits a longer half-life, a lower clearance rate and a higher drug exposure, and has better pharmacokinetic properties in vivo. At the same time, the compound has a better brain exposure.
  • the test compound was mixed with 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water, vortexed and sonicated to prepare an approximately clear solution of 1 mg/mL, which was filtered with a microporous membrane for use.
  • a male Beagle dog was selected and the candidate compound solution was administered intravenously at a dose of 1 mg/kg.
  • the test compound was mixed with 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water, vortexed and sonicated to prepare an approximately clear solution of 1 mg/mL, which was filtered with a microporous membrane for use.
  • Beagle male dogs were selected and the candidate compound solution was orally administered at a dose of 5 mg/kg. Collect whole blood for a certain period of time, prepare plasma, analyze drug concentration by LC-MS/MS method, and use Phoenix WinNonlin software (Pharsight, USA) to calculate pharmacokinetic parameters.
  • the compound of the present invention exhibits a longer half-life, lower clearance rate and higher drug exposure, and has better pharmacokinetic properties in vivo.
  • the test compound was mixed with 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water, vortexed and sonicated to prepare an approximately clear solution of 1 mg/mL, which was filtered with a microporous membrane for use.
  • Male cynomolgus monkeys were selected and the candidate compound solution was administered intravenously at a dose of 1 mg/kg.
  • the test compound was mixed with 10% dimethyl sulfoxide/50% polyethylene glycol 200/40% water, vortexed and sonicated to prepare an approximately clear solution of 1 mg/mL, which was filtered with a microporous membrane for use.
  • Male cynomolgus monkeys were selected and the candidate compound solution was orally administered at a dose of 5 mg/kg. Collect whole blood for a certain period of time, prepare plasma, analyze drug concentration by LC-MS/MS method, and use Phoenix WinNonlin software (Pharsight, USA) to calculate pharmacokinetic parameters.
  • the compound of the present invention exhibits a longer half-life, lower clearance rate, higher drug exposure, and higher oral bioavailability, and has better pharmacokinetic properties in vivo.
  • mice Female BALB/c nude mice, 6-8 weeks old, weighing 18-22 grams; Supplier: Shanghai Xipuer-Bikai Laboratory Animal Co., Ltd.
  • NCI-H1703 cells Human non-small cell lung cancer NCI-H1703 cells were cultured in vitro. RPMI1640 medium was supplemented with 10% fetal bovine serum, 100U/mL penicillin and 100 ⁇ g/mL streptomycin, and cultured in a 5% CO 2 incubator at 37°C. Use pancreatin-EDTA for routine digestion and passage twice a week. When the cell saturation is 80%-90% and the number reaches the requirement, the cells are collected, counted, and inoculated.
  • NCI-H1703 cells (with matrigel, volume ratio 1:1) were subcutaneously inoculated on the right back of each mouse. When the average tumor volume reached about 130mm 3 , group administration was started .
  • Compound 5 was formulated as 3 mg/mL, 6 mg/mL, 9 mg/mL suspension solutions, compound 17 was formulated as 9 mg/mL suspension, and the solvent was 0.5% HPMC+1% Tween 80.
  • the tumor diameter was measured with vernier calipers twice a week.
  • TGI total tumor growth rate
  • T/C relative tumor growth rate
  • Relative tumor proliferation rate T/C (%) T RTV /C RTV ⁇ 100%
  • TRTV average RTV of the treatment group
  • C RTV average RTV of the negative control group
  • RTV relative tumor volume
  • TGI (%) reflects the tumor growth inhibition rate.
  • TGI(%) [1-(Average tumor volume at the end of a certain treatment group-average tumor volume at the start of the treatment group)/(Average tumor volume at the end of treatment in the solvent control group-average tumor volume at the start of treatment in the solvent control group Tumor volume)] ⁇ 100%.
  • the tumor weight will be detected and the T/weight percentage will be calculated.
  • T weight and C weight represent the tumor weights of the administration group and the vehicle control group, respectively.
  • the statistical analysis is based on the RTV data at the end of the experiment using SPSS software for analysis.
  • the treatment group showed the best treatment effect on the 21st day after administration at the end of the trial, so statistical analysis was performed based on this data to evaluate the differences between the groups.
  • the comparison between two groups is analyzed by T-test, and the comparison between three or more groups is analyzed by one-way ANOVA. If the variance is uniform (the F value is not significantly different), the analysis should be performed by Tukey's method; if the variance is not uniform (There is a significant difference in the F value), using the Games-Howell method to test. p ⁇ 0.05 considered a significant difference.
  • compound 5 at doses of 60 mg/kg and 90 mg/kg (dose twice a day), compound 17 at doses of 90 mg/kg (dose twice a day), compared with the blank control, significantly inhibited tumors. effect.
  • Compound 5 has a certain anti-tumor effect at a dose of 30 mg/kg (administered twice a day).
  • the curative effects of compound 5 are all dose-dependent, and the experimental results are shown in Table 7.
  • the tumor weight and tumor photo results on the 21st day are shown in Table 8 and Figure 1.
  • the p value is obtained by using one-way ANOVA to analyze the relative tumor volume value (RTV).
  • the p value is obtained by analyzing the tumor weight by one-way ANOVA and the vehicle treatment group.
  • the F value is significantly different, and the Games-Howell method is used for analysis.

Abstract

一类DNA-PK抑制剂,具体为式(IV)所示化合物或其药学上可接受的盐,及其在制备DNA-PK抑制剂相关药物中的应用。

Description

[根据细则37.2由ISA制定的发明名称] 作为DNA-PK抑制剂的嘧啶并咪唑类化合物
本发明主张如下优先权:
CN201911164961.5,申请日2019年11月25日;
CN202010209352.3,申请日2020年03月23日;
CN202010911879.0,申请日2020年09月02日;
CN202011269768.0,申请日2020年11月13日。
发明领域
本发明涉及DNA-PK抑制剂,具体涉及式(IV)所示化合物或其药学上可接受的盐,及其在制备DNA-PK抑制剂相关药物中的应用。
背景技术
DNA断裂尤其是双链断裂(DSBs)是一种极为严重的损伤,会造成遗传物质的丢失、基因重组,从而导致癌症或细胞死亡。真核细胞进化出了多种机制来应对DNA双链断裂造成的严重威胁,这便是DNA损伤应答机制(DDR),主要包括DNA损伤的检测、信号传导以及损伤修复。DNA双链断裂修复主要包括同源末端连接(HR)修复和非同源末端连接(NHEJ)修复。在高等真核生物中,主要以优先地在早期G1/S期期间使用的NHEJ修复为主要机制。DDR初期损伤因子如MRN等会检测识别损伤位点,募集膦酯酰肌醇激酶家族成员(ATM、ATR、DNA-PK),磷酸化H2AX促进γH2AX形成,引导下游信号传导并募集相关蛋白完成受损DNA的修复。
DNA依赖性蛋白激酶催化亚单位(DNA-PK catalytic subunit,DNA-PKcs),属于磷酸肌醇-3-激酶相关蛋白(PI3K-related kinase,PIKK)家族,主要针对DNA双链断裂的非同源末端连接(NHEJ)修复,是DNA损伤修复的重要成员。DNA双链损伤修复时,Ku70/Ku80异源二聚体通过一个预先形成的通道特异性地连接到双链损伤处,识别双链断裂并与断裂端分别结合,然后以ATP依赖的方式沿DNA链分别向两端滑动一段距离,形成KU-DNA复合物并招募DNA-PKcs到双链断裂处与之结合,随后Ku二聚体向内移动,激活DNA-PKcs并使其自身磷酸化,最后,磷酸化的DNA-PKcs引导损伤信号传导并招募DNA末端加工相关蛋白如PNKP,XRCC4,XLF,Pol X和DNA连接酶IV等参与完成双链断裂修复。
目前,肿瘤治疗中常用的DNA损伤性化疗药物(如博来霉素,拓扑异构酶II抑制剂如依托泊苷和多柔比星)和放疗发挥作用的主要机制就是造成DNA分子的致死性的双链断裂,进而诱导肿瘤细胞的死亡。研究表明,经过放化疗治疗的肿瘤组织中均发现DNA-PK的高表达,而DNA-PKcs活性的增加在一定程度上增强了受损DNA的修复,阻止了肿瘤细胞死亡,导致了对放化疗产生耐受。此外,放化疗治疗后肿瘤组织中存活的细胞往往是对治疗不敏感的高DNA-PKcs活性细胞,这也是疗效不好和预后差的原因。通过与放化疗药物联用,DNA-PK抑制剂可以抑制DNA-PKcs活性,从而大大减少肿瘤DNA修复,诱导细胞进入凋亡程序,达到更佳的治疗效果。
ATM在同源末端链接(HR)修复中起到重要作用,当肿瘤细胞因缺陷缺乏ATM时,DNA断裂 修复会更加依赖于DNA-PKcs主导的NHEJ修复以使其存活。因此,DNA-PK抑制剂同样可以作为单一药物在具有其他DNA修复途径缺陷时的肿瘤中发挥治疗效果。
本发明旨在发现一种DNA-PK小分子抑制剂,不仅可以作为单一药物在具有其他DNA修复途径缺陷时的肿瘤中发挥治疗效果。也可以通过与放化疗药物联用,增强肿瘤组织对放化疗的敏感性,克服耐药问题,增强对多种实体瘤和血液瘤的抑制作用。此类化合物具有良好的活性,并表现出了优异的效果和作用,具有广阔的前景。
发明内容
本发明提供了式(IV)所示化合物或其药学上可接受的盐,
Figure PCTCN2020131275-appb-000001
其中,
结构单元
Figure PCTCN2020131275-appb-000002
选自
Figure PCTCN2020131275-appb-000003
E 1选自单键、-O-和-C(R 6R 7)-;
R 1、R 2、R 3、R 4、R’和R”各自独立地选自H、F和Cl;
或者R 1与R 2连接在一起使结构单元
Figure PCTCN2020131275-appb-000004
选自
Figure PCTCN2020131275-appb-000005
或者R 3与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000006
选自
Figure PCTCN2020131275-appb-000007
或者R 1与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000008
选自
Figure PCTCN2020131275-appb-000009
或者R 2、R”与它们共同连接的碳原子一起形成C 3-5环烷基;
R 5选自F、Cl、Br、I、环丙基和C 1-3烷基,所述C 1-3烷基任选被OH或1、2或3个R a取代;
R 6和R 7各自独立地选自H、F、Cl、Br、I和CN;
或者R 6、R 7与它们共同连接的碳原子一起形成环丙基或4元氧杂环丁基;
环A选自C 3-5环烷基;
Y 1选自环丙基和C 1-3烷基,所述C 1-3烷基任选被1、2、3、4或5个F取代;
R a选自H、F、Cl、Br和I。
本发明提供了式(III)所示化合物或其药学上可接受的盐,
Figure PCTCN2020131275-appb-000010
其中,
结构单元
Figure PCTCN2020131275-appb-000011
选自
Figure PCTCN2020131275-appb-000012
Figure PCTCN2020131275-appb-000013
E 1选自单键、-O-和-C(R 6R 7)-;
R 1、R 2、R 3、R 4、R’和R”各自独立地选自H、F和Cl;
或者R 1与R 2连接在一起使结构单元
Figure PCTCN2020131275-appb-000014
选自
Figure PCTCN2020131275-appb-000015
Figure PCTCN2020131275-appb-000016
或者R 3与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000017
选自
Figure PCTCN2020131275-appb-000018
或者R 1与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000019
选自
Figure PCTCN2020131275-appb-000020
或者R 2、R”与它们共同连接的碳原子一起形成C 3-5环烷基;
R 5选自F、Cl、Br、I、环丙基和C 1-3烷基,所述C 1-3烷基任选被OH或1、2或3个R a取代;
R 6和R 7各自独立地选自H、F、Cl、Br、I和CN;
或者R 6、R 7与它们共同连接的碳原子一起形成环丙基或4元氧杂环丁基;
环A选自C 3-5环烷基;
R a选自H、F、Cl、Br和I。
本发明提供了式(II)所示化合物或其药学上可接受的盐,
Figure PCTCN2020131275-appb-000021
其中,
E 1选自单键、-O-和-C(R 6R 7)-;
R 1、R 2、R 3、R 4、R’和R”各自独立地选自H、F和Cl;
或者R 1与R 2连接在一起使结构单元
Figure PCTCN2020131275-appb-000022
选自
Figure PCTCN2020131275-appb-000023
Figure PCTCN2020131275-appb-000024
或者R 3与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000025
选自
Figure PCTCN2020131275-appb-000026
或者R 1与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000027
选自
Figure PCTCN2020131275-appb-000028
或者R 2、R”与它们共同连接的碳原子一起形成C 3-5环烷基;
R 5选自F、Cl、Br、I、环丙基和C 1-3烷基,所述C 1-3烷基任选被OH或1、2或3个R a取代;
R 6和R 7各自独立地选自H、F、Cl、Br、I和CN;
或者R 6、R 7与它们共同连接的碳原子一起形成环丙基或4元氧杂环丁基;
环A选自C 3-5环烷基;
R a选自H、F、Cl、Br、I。
本发明提供了式(I)所示化合物或其药学上可接受的盐
Figure PCTCN2020131275-appb-000029
其中,
R 1、R 2、R 3和R 4各自独立地选自H、F和Cl;
或者R 1与R 2连接在一起使结构单元
Figure PCTCN2020131275-appb-000030
Figure PCTCN2020131275-appb-000031
或者R 3与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000032
Figure PCTCN2020131275-appb-000033
R 5选自F、Cl、Br、I、环丙基和C 1-3烷基,所述C 1-3烷基任选被OH或1、2或3个R a取代;
R a选自H、F、Cl、Br、I。
本发明的一些方案中,上述化合物选自
Figure PCTCN2020131275-appb-000034
Figure PCTCN2020131275-appb-000035
其中,环B选自C 3-5环烷基;
环C为环丙基或4元氧杂环丁基;
n选自0和1;
环A、R 1、R 2、R 3、R 4、R 5、R 6和R 7如本发明所定义。
本发明的一些方案中,上述化合物选自
Figure PCTCN2020131275-appb-000036
其中,R 5如本发明所定义。
本发明的一些方案中,上述R 1与R 2连接在一起使结构单元
Figure PCTCN2020131275-appb-000037
选自
Figure PCTCN2020131275-appb-000038
Figure PCTCN2020131275-appb-000039
其他变量如本发明所定义。
本发明的一些方案中,上述R 3与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000040
选自
Figure PCTCN2020131275-appb-000041
其他变量如本发明所定义。
本发明的一些方案中,上述R 1与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000042
选自
Figure PCTCN2020131275-appb-000043
Figure PCTCN2020131275-appb-000044
其他变量如本发明所定义。
本发明的一些方案中,上述环A选自
Figure PCTCN2020131275-appb-000045
其他变量如本发明所定义。
本发明的一些方案中,上述R 6、R 7与它们共同连接的碳原子一起形成
Figure PCTCN2020131275-appb-000046
其他变量如本发明所定义。
本发明的一些方案中,上述R 2、R”与它们共同连接的碳原子一起形成
Figure PCTCN2020131275-appb-000047
其他变量如本发明所定义。
本发明的一些方案中,上述R 1与R 2连接在一起使结构单元
Figure PCTCN2020131275-appb-000048
Figure PCTCN2020131275-appb-000049
其他变量如本发明所定义。
本发明的一些方案中,上述R 3与R 4连接在一起使结构单元
Figure PCTCN2020131275-appb-000050
Figure PCTCN2020131275-appb-000051
其他变量如本发明所定义。
本发明的一些方案中,上述结构单元
Figure PCTCN2020131275-appb-000052
选自
Figure PCTCN2020131275-appb-000053
其他变量如本发明所定义。
本发明的一些方案中,上述R 5选自F、Cl、CH 2OH、CF 3和CH 3,其他变量如本发明所定义。
本发明的一些方案中,上述R 5选自F、Cl和CH 3,其他变量如本发明所定义。
本发明还有一些方案由上述变量任意组合而来。
本发明还提供了下式化合物或其药学上可接受的盐
Figure PCTCN2020131275-appb-000054
本发明的一些方案中,上述化合物或其药学上可接受的盐在制备DNA-PK抑制剂相关药物上的应用。
本发明的一些方案中,上述DNA-PK抑制剂相关药物作为单一药物在具有其他DNA修复途径缺陷时的肿瘤中发挥治疗效果。
本发明的一些方案中,上述DNA-PK抑制剂相关药物通过与放化疗药物联用,增强对实体瘤和血液瘤的抑制作用。
技术效果
本发明化合物作为一类DNA-PK抑制剂,展示了显著的DNA-PK激酶抑制活性。PK结果显示,本发明化合物具有较长的半衰期、较低的清除率和较高的药物暴露量,药代动力学性质优良,是很好的可开发口服给药的分子。体内药效结果显示,本发明化合物具有显著的抑瘤作用。
定义和说明
除非另有说明,本文所用的下列术语和短语旨在具有下列含义。一个特定的术语或短语在没有特别定义的情况下不应该被认为是不确定的或不清楚的,而应该按照普通的含义去理解。当本文中出现商品名时,意在指代其对应的商品或其活性成分。
这里所采用的术语“药学上可接受的”,是针对那些化合物、材料、组合物和/或剂型而言,它们在可靠的医学判断的范围之内,适用于与人类和动物的组织接触使用,而没有过多的毒性、刺激性、过敏性反应或其它问题或并发症,与合理的利益/风险比相称。
术语“药学上可接受的盐”是指本发明化合物的盐,由本发明发现的具有特定取代基的化合物与相对无毒的酸或碱制备。当本发明的化合物中含有相对酸性的功能团时,可以通过在纯的溶液或合适的惰性溶剂中用足够量的碱与这类化合物接触的方式获得碱加成盐。药学上可接受的碱加成盐包括钠、钾、钙、铵、有机胺或镁盐或类似的盐。当本发明的化合物中含有相对碱性的官能团时,可以通过在纯的溶液或合适的惰性溶剂中用足够量的酸与这类化合物接触的方式获得酸加成盐。药学上可接受的酸加成盐的实例包括无机酸盐,所述无机酸包括例如盐酸、氢溴酸、硝酸、碳酸,碳酸氢根,磷酸、磷酸一氢根、磷酸二氢根、硫酸、硫酸氢根、氢碘酸、亚磷酸等;以及有机酸盐,所述有机酸包括如乙酸、丙酸、异丁酸、马来酸、丙二酸、苯甲酸、琥珀酸、辛二酸、反丁烯二酸、乳酸、扁桃酸、邻苯二甲酸、苯磺酸、对甲苯磺酸、柠檬酸、酒石酸和甲磺酸等类似的酸;还包括氨基酸(如精氨酸等)的盐,以及如葡糖醛酸等有机酸的盐。本发明的某些特定的化合物含有碱性和酸性的官能团,从而可以被转换成任一碱或酸加成盐。
本发明的药学上可接受的盐可由含有酸根或碱基的母体化合物通过常规化学方法合成。一般情况下,这样的盐的制备方法是:在水或有机溶剂或两者的混合物中,经由游离酸或碱形式的这些化合物与化学计量的适当的碱或酸反应来制备。
本发明的化合物可以存在特定的几何或立体异构体形式。本发明设想所有的这类化合物,包括顺式和反式异构体、(-)-和(+)-对映体、(R)-和(S)-对映体、非对映异构体、(D)-异构体、(L)-异构体,及其外消旋混合物和其他混合物,例如对映异构体或非对映体富集的混合物,所有这些混合物都属于本发明的范围之内。烷基等取代基中可存在另外的不对称碳原子。所有这些异构体以及它们的混合物,均包括在本发明的范围之内。
除非另有说明,术语“对映异构体”或者“旋光异构体”是指互为镜像关系的立体异构体。
除非另有说明,术语“顺反异构体”或者“几何异构体”系由因双键或者成环碳原子单键不能自由旋转而引起。
除非另有说明,术语“非对映异构体”是指分子具有两个或多个手性中心,并且分子间为非镜像的关系的立体异构体。
除非另有说明,“(+)”表示右旋,“(-)”表示左旋,“(±)”表示外消旋。
除非另有说明,用楔形实线键
Figure PCTCN2020131275-appb-000055
和楔形虚线键
Figure PCTCN2020131275-appb-000056
表示一个立体中心的绝对构型,用直形实线键
Figure PCTCN2020131275-appb-000057
和直形虚线键
Figure PCTCN2020131275-appb-000058
表示立体中心的相对构型,用波浪线
Figure PCTCN2020131275-appb-000059
表示楔形实线键
Figure PCTCN2020131275-appb-000060
或楔形虚线键
Figure PCTCN2020131275-appb-000061
或用波浪线
Figure PCTCN2020131275-appb-000062
表示直形实线键
Figure PCTCN2020131275-appb-000063
或直形虚线键
Figure PCTCN2020131275-appb-000064
除非另有说明,术语“富含一种异构体”、“异构体富集”、“富含一种对映体”或者“对映体富集”指其中一种异构体或对映体的含量小于100%,并且,该异构体或对映体的含量大于等于60%,或者大于等于70%,或者大于等于80%,或者大于等于90%,或者大于等于95%,或者大于等于96%,或者大于等于97%,或者大于等于98%,或者大于等于99%,或者大于等于99.5%,或者大于等于99.6%,或者大于等于99.7%,或者大于等于99.8%,或者大于等于99.9%。
除非另有说明,术语“异构体过量”或“对映体过量”指两种异构体或两种对映体相对百分数之间的差值。例如,其中一种异构体或对映体的含量为90%,另一种异构体或对映体的含量为10%,则异构体或对映体过量(ee值)为80%。
可以通过的手性合成或手性试剂或者其他常规技术制备光学活性的(R)-和(S)-异构体以及D和L异构体。如果想得到本发明某化合物的一种对映体,可以通过不对称合成或者具有手性助剂的衍生作用来制备,其中将所得非对映体混合物分离,并且辅助基团裂开以提供纯的所需对映异构体。或者,当分子中含有碱性官能团(如氨基)或酸性官能团(如羧基)时,与适当的光学活性的酸或碱形成非对映异构体的盐,然后通过本领域所公知的常规方法进行非对映异构体拆分,然后回收得到纯的对映体。此外,对映异构体和非对映异构体的分离通常是通过使用色谱法完成的,所述色谱法采用手性固定相,并任选地与化学衍生法相结合(例如由胺生成氨基甲酸盐)。
本发明的化合物可以在一个或多个构成该化合物的原子上包含非天然比例的原子同位素。例如,可用放射性同位素标记化合物,比如氚( 3H),碘-125( 125I)或C-14( 14C)。又例如,可用重氢取代氢形成氘代药物,氘与碳构成的键比普通氢与碳构成的键更坚固,相比于未氘化药物,氘代药物有降低毒副作用、增加药物稳定性、增强疗效、延长药物生物半衰期等优势。本发明的化合物的所有同位素组成的变换,无论放射性与否,都包括在本发明的范围之内。
术语“被取代的”是指特定原子上的任意一个或多个氢原子被取代基取代,可以包括重氢和氢的变体,只要特定原子的价态是正常的并且取代后的化合物是稳定的。当取代基为氧(即=O)时,意味着两个氢原子被取代。氧取代不会发生在芳香基上。术语“任选被取代的”是指可以被取代,也可以不被取代,除非另有规定,取代基的种类和数目在化学上可以实现的基础上可以是任意的。
当任何变量(例如R)在化合物的组成或结构中出现一次以上时,其在每一种情况下的定义都是独立的。因此,例如,如果一个基团被0-2个R所取代,则所述基团可以任选地至多被两个R所取代,并且每种情况下的R都有独立的选项。此外,取代基和/或其变体的组合只有在这样的组合会产生稳定的化合物的情况下才是被允许的。
当一个连接基团的数量为0时,比如-(CRR) 0-,表示该连接基团为单键。
当一个取代基数量为0时,表示该取代基是不存在的,比如-A-(R) 0表示该结构实际上是-A。
当一个取代基为空缺时,表示该取代基是不存在的,比如A-X中X为空缺时表示该结构实际上是A。
当其中一个变量选自单键时,表示其连接的两个基团直接相连,比如A-L-Z中L代表单键时表示 该结构实际上是A-Z。
当一个取代基的键可以交叉连接到一个环上的两一个以上原子时,这种取代基可以与这个环上的任意原子相键合,例如,结构单元
Figure PCTCN2020131275-appb-000065
表示其取代基R可在环己基或者环己二烯上的任意一个位置发生取代。当所列举的取代基中没有指明其通过哪一个原子连接到被取代的基团上时,这种取代基可以通过其任何原子相键合,例如,吡啶基作为取代基可以通过吡啶环上任意一个碳原子连接到被取代的基团上。
当所列举的连接基团没有指明其连接方向,其连接方向是任意的,例如,
Figure PCTCN2020131275-appb-000066
中连接基团L为-M-W-,此时-M-W-既可以按与从左往右的读取顺序相同的方向连接环A和环B构成
Figure PCTCN2020131275-appb-000067
也可以按照与从左往右的读取顺序相反的方向连接环A和环B构成
Figure PCTCN2020131275-appb-000068
所述连接基团、取代基和/或其变体的组合只有在这样的组合会产生稳定的化合物的情况下才是被允许的。
除非另有规定,当某一基团具有一个或多个可连接位点时,该基团的任意一个或多个位点可以通过化学键与其他基团相连。当该化学键的连接方式是不定位的,且可连接位点存在H原子时,则连接化学键时,该位点的H原子的个数会随所连接化学键的个数而对应减少变成相应价数的基团。所述位点与其他基团连接的化学键可以用直形实线键
Figure PCTCN2020131275-appb-000069
直形虚线键
Figure PCTCN2020131275-appb-000070
或波浪线
Figure PCTCN2020131275-appb-000071
表示。例如-OCH 3中的直形实线键表示通过该基团中的氧原子与其他基团相连;
Figure PCTCN2020131275-appb-000072
中的直形虚线键表示通过该基团中的氮原子的两端与其他基团相连;
Figure PCTCN2020131275-appb-000073
中的波浪线表示通过该苯基基团中的1和2位碳原子与其他基团相连;
Figure PCTCN2020131275-appb-000074
表示该哌啶基上的任意可连接位点可以通过1个化学键与其他基团相连,至少包括
Figure PCTCN2020131275-appb-000075
这4种连接方式,即使-N-上画出了H原子,但是
Figure PCTCN2020131275-appb-000076
仍包括
Figure PCTCN2020131275-appb-000077
这种连接方式的基团,只是在连接1个化学键时,该位点的的H会对应减少1个变成相应的一价哌啶基。
除非另有规定,环上原子的数目通常被定义为环的元数,例如,“5-7元环”是指环绕排列5-7个原子的“环”。
除非另有规定,术语“C 1-3烷基”用于表示直链或支链的由1至3个碳原子组成的饱和碳氢基团。所述C 1-3烷基包括C 1-2和C 2-3烷基等;其可以是一价(如甲基)、二价(如亚甲基)或者多价(如次甲基)。C 1-3烷基的实例包括但不限于甲基(Me)、乙基(Et)、丙基(包括n-丙基和异丙基)等。
除非另有规定,“C 3-5环烷基”表示由3至5个碳原子组成的饱和环状碳氢基团,其为单环体系, 所述C 3-5环烷基包括C 3-4和C 4-5环烷基等;其可以是一价、二价或者多价。C 3-5环烷基的实例包括,但不限于,环丙基、环丁基、环戊基等。
除非另有规定,C n-n+m或C n-C n+m包括n至n+m个碳的任何一种具体情况,例如C 1-12包括C 1、C 2、C 3、C 4、C 5、C 6、C 7、C 8、C 9、C 10、C 11、和C 12,也包括n至n+m中的任何一个范围,例如C 1- 12包括C 1-3、C 1-6、C 1-9、C 3-6、C 3-9、C 3-12、C 6-9、C 6-12、和C 9-12等;同理,n元至n+m元表示环上原子数为n至n+m个,例如3-12元环包括3元环、4元环、5元环、6元环、7元环、8元环、9元环、10元环、11元环、和12元环,也包括n至n+m中的任何一个范围,例如3-12元环包括3-6元环、3-9元环、5-6元环、5-7元环、6-7元环、6-8元环、和6-10元环等。
本发明的化合物可以通过本领域技术人员所熟知的多种合成方法来制备,包括下面列举的具体实施方式、其与其他化学合成方法的结合所形成的实施方式以及本领域技术上人员所熟知的等同替换方式,优选的实施方式包括但不限于本发明的实施例。
本发明的化合物可以通过本领域技术人员所熟知的常规方法来确认结构,如果本发明涉及化合物的绝对构型,则该绝对构型可以通过本领域常规技术手段予以确证。例如单晶X射线衍射法(SXRD),把培养出的单晶用Bruker D8venture衍射仪收集衍射强度数据,光源为CuKα辐射,扫描方式:
Figure PCTCN2020131275-appb-000078
扫描,收集相关数据后,进一步采用直接法(Shelxs97)解析晶体结构,便可以确证绝对构型。
本发明所使用的溶剂可经市售获得。
本发明采用下述缩略词:eq代表当量;DMSO代表二甲基亚砜;ATP代表三磷酸腺苷,EDTA代表乙二胺四乙酸;DNA代表脱氧核糖核酸;PEG代表聚乙二醇;Balb/c代表小鼠品系。
化合物依据本领域常规命名原则或者使用
Figure PCTCN2020131275-appb-000079
软件命名,市售化合物采用供应商目录名称。
附图说明
图1.人NCI-H1703非小细胞肺癌体内药效学研究第21天的肿瘤照片。
具体实施方式
下面通过实施例对本发明进行详细描述,但并不意味着对本发明任何不利限制。本文已经详细地描述了本发明,其中也公开了其具体实施例方式,对本领域的技术人员而言,在不脱离本发明精神和范围的情况下针对本发明具体实施方式进行各种变化和改进将是显而易见的。
实施例1
Figure PCTCN2020131275-appb-000080
第一步
0℃下,向化合物1a(2.91g,15.0mmol,1eq)的1,4-二氧六环(50mL)溶液中加入化合物1b(1.84g,18.0mmol,1.2eq),加毕于0℃下反应8小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:3)纯化得化合物1c。MS:m/z.259.8[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.08(s,1H),9.06(s,1H),3.84-4.06(m,4H),2.93-3.11(m,4H)。
第二步
向化合物1c(1.1g,4.24mmol,1eq)的乙醇(10mL)和水(10mL)的混合溶液中依次加入铁粉(1.18g,21.18mmol,5eq)和氯化铵(1.13g,21.18mmol,5eq),加毕在80℃下反应1小时。反应完全后,硅藻土过滤,滤液减压浓缩得粗品,用水(50mL)稀释,乙酸乙酯萃取(50mL*2),饱和食盐水(50mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩得粗品化合物1d。MS:m/z.229.9[M+H] +
第三步
向化合物1d(0.69g,3.0mmol,1eq)的乙腈(15mL)溶液中加入N,N’-羰基二咪唑(0.97g,6.0mmol,1.22mL,2eq),加毕在80℃下反应1小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~4:1)纯化得化合物1e。MS:m/z 255.9[M+H] +
1H NMR(400MHz,CDCl 3)δ:8.09(s,1H),3.86-3.97(m,4H),3.45-3.65(m,4H)。
第四步
向化合物1e(1.1g,2.15mmol,1eq)的N,N-二甲基甲酰胺(50mL)溶液中依次加入碳酸铯(3.5g,10.76mmol,5eq)和碘甲烷(1.06g,7.45mmol,465μL,3eq),加毕在20℃下反应1小时。反应完全后,加水(50mL)稀释,乙酸乙酯(50mL*3)萃取,饱和食盐水(50mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物1f。MS:m/z 269.8[M+H] +
第五步
将化合物1f(0.13g,500μmol,1eq),化合物1g(1 88.9mg,600.00μmol,1.2eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(90.6mg,100.00μmol, 0.2eq)和碳酸铯(325.8mg,1.00mmol,2eq)的二氧六环(5mL)和水(0.5mL)的溶液置换氮气三次并于100℃氮气保护下反应16小时。反应完全后,硅藻土过滤,减压浓缩得粗品,经制备高效液相色谱(Welch Xtimate C18 150*25mm*5μm;流动相:[水(0.225%甲酸)-乙腈];B(乙腈)%:8%-38%,8分钟)纯化得化合物1。MS:m/z 382.2[M+H]。
1H NMR(400MHz,CDCl 3)δppm 9.81(s,1H),8.27(s,1H),7.94(s,1H),7.58(s,1H),6.80(s,1H),3.96(t,J=4.6Hz,4H),3.47-3.55(m,4H),3.42(s,3H),2.53(s,3H)。
实施例2
Figure PCTCN2020131275-appb-000081
第一步
向化合物2a(10.18g,40mmol,1eq)的甲苯(80mL)溶液中加入N,N-二甲基甲酰胺二甲基缩醛(14.30g,120mmol,15.94mL,3eq),加毕反应液在110℃下反应4小时。反应完全后,反应液经减压浓缩得到粗品化合物2b。MS:m/z 309.8[M+H] +
第二步
向化合物2b(12.38g,40mmol,1eq)的甲醇(100mL)溶液中加入盐酸羟胺(5.56g,80mmol,2eq),加毕反应液在70℃下反应2小时。反应完全后,反应液经减压浓缩得到粗品化合物2c。MS:m/z 297.7[M+H] +
第三步
0℃下,向化合物2c(11.90g,40mmol,1eq)的四氢呋喃(100mL)溶液中加入三氟乙酸酐(12.60g,60mmol,8.35mL,1.5eq),加毕反应液于25℃下反应12小时。反应完全后,反应液减压浓缩除去溶剂,向浓缩后的反应液中加入水(100mL)稀释,用乙酸乙酯300mL(100mL*3)萃取,饱和食盐水30mL洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物2d。MS:m/z 279.7[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 9.55(s,1H),8.51(s,1H),8.26(s,1H)。
第四步
将化合物2d(3.91g,14mmol,1eq),化合物2e(2.79g,15.40mmol,1.1eq),三(二亚苄基丙酮)二钯(641mg,700μmol,0.05eq),4,5-双二苯基膦-9,9-二甲基氧杂蒽(810.1mg,1.4mmol,0.1eq)和碳酸 铯(9.12g,28mmol,2eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水N,N-二甲基甲酰胺(30mL)并在80℃下反应6小时。反应完全后,反应液经硅藻土过滤后减压浓缩得到粗品。粗品用四氢呋喃(100mL)溶解,向其中加入3N盐酸(20mL)并于20℃下搅拌0.5小时。反应完全后,向反应液中加入水(100mL),用乙酸乙酯(100mL*3)萃取,弃去有机相;水相加入氨水(30mL)调节PH至碱性并再次用乙酸乙酯(100mL*3)萃取,有机相用饱和食盐水50mL洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:0)纯化得化合物2f。MS:m/z 168.8[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 8.28(s,1H),8.26(s,1H),7.96(s,1H),5.35-5.43(m,2H)。
第五步
将化合物2f(67.4mg,400μmol,1eq),化合物1f(107.8mg,400μmol,1eq),三(二亚苄基丙酮)二钯(36.6mg,40μmol,0.1eq),4,5-双二苯基膦-9,9-二甲基氧杂蒽(46.3mg,80μmol,0.2eq)和碳酸铯(195.5mg,600μmol,1.5eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(8mL)并在100℃下反应2小时。反应完全后,反应液经硅藻土过滤后减压浓缩得到粗品,经薄层制备色谱(二氯甲烷:甲醇=10:1)纯化得到化合物2。MS:m/z 401.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 10.24(s,1H),8.31(s,1H),7.98(s,1H),7.87(s,1H),7.47(s,1H),3.96(t,J=4.69Hz,4H),3.51-3.57(m,4H),3.43(s,3H)。
实施例3
Figure PCTCN2020131275-appb-000082
第一步
向化合物3a(6.7g,35.08mmol,1eq)的甲苯(100mL)溶液加入N,N-二甲基甲酰胺二甲基缩醛(12.54g,105.25mmol,3eq),加毕在110℃下反应1.5小时。反应完全后,反应液经减压浓缩得到粗品化合物3b。
第二步
向化合物3b(8.3g,33.73mmol,1eq)的甲醇(100mL)溶液加入盐酸羟胺(4.69g,67.46mmol,2eq),在80℃下反应1小时。反应完全后,反应液经减压浓缩得到粗品化合物3c。MS:m/z 233.8[M+H] +
第三步
0℃下,向化合物3c(12.9g,55.12mmol,1eq)的四氢呋喃(100mL)溶液加入三氟乙酸酐(15.33mL,100.24mmol,2eq),加毕在21℃反应21小时。反应完全后,反应液减压浓缩的粗品,经柱层析(乙酸乙酯:石油醚=0:1~1:2)纯化得化合物3d。MS:m/z 217.8[M+H]+。
第四步
向化合物3d(1g,4.63mmol,1eq)的甲苯(50mL)溶液中依次加入1,1'-联萘-2,2'-双二苯膦(288.3mg,462.94μmol,0.1eq),化合物2e(922.9mg,5.09mmol,1.1eq),三(二亚苄基丙酮)二钯(211.9mg,231.47μmol,0.05eq),叔丁醇钾(1.04g,9.26mmol,2eq),加毕在110℃反应4小时。反应完全后,反应液减压浓缩除去溶剂,向浓缩后的反应液中加入水(50mL)稀释,用乙酸乙酯(50mL*2)萃取,饱和食盐水(100mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩得到粗品。随后用乙醇(20mL)溶解并加入1N盐酸(12mL)搅拌半小时,反应完全后,加氨水调节PH至碱性,减压浓缩除去溶剂并经柱层析(甲醇:二氯甲烷=0:1~1:6)纯化得化合物3f。
第五步
向化合物3f(132mg,489.46μmol,1.02eq)和化合物1f(80mg,525.87μmol,1.1eq)的二氧六环(20mL)溶液依次加入甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(21.7mg,20.93μmol,0.05eq)和碳酸铯(311.5mg,956.13μmol,2eq),加毕在100℃下反应2小时。反应完全后,反应液减压浓缩的粗品,经柱层析(甲醇:二氯甲烷-=0:1~1:9)纯化得化合物3。MS:m/z 386.0[M+H] +
1H NMR(400MHz,CDCl 3)δppm 10.15(br d,J=7.03Hz,1H),8.28(s,1H),7.99(s,1H),7.47(br d,J=9.54Hz,1H),3.96(br s,4H),3.53(br s,4H),3.43(s,3H)。
实施例4
Figure PCTCN2020131275-appb-000083
第一步
0℃下,向化合物4a(2.99g,20mmol,1eq,盐酸盐)的乙酸(30mL)和水(9mL)混合溶液中缓慢加入亚硝酸钠(1.52g,22mmol,1.1eq)的水(3mL)溶液,加毕反应液于20℃反应3小时。反应完全后,反应液加入水(50mL)稀释,乙酸乙酯300mL(100mL*3)萃取,饱和食盐水(50mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物4b。
1H NMR(400MHz,CDCl 3)δppm 5.08(br d,J=7.03Hz,1H),4.89(br d,J=6.27Hz,1H),3.77-3.93(m,2H),3.54-3.68(m,2H),2.05-2.22(m,3H),1.78-1.94(m,1H)。
第二步
0℃下,向化合物4b(2.56g,18mmol,1eq)的甲醇(20mL)溶液中依次加入锌粉(4.71g,72mmol,4eq)和乙酸(20mL),加毕反应液在20℃反应4小时。反应完全后,反应液经硅藻土过滤并用乙酸乙酯(200mL)洗涤,滤液减压浓缩得粗品化合物4c。
第三步
0℃下,向化合物1a(6.21g,32mmol,2eq)的二氧六环(150mL)溶液中依次加入化合物4c(3.01g,16mmol,1eq,醋酸盐)和三乙胺(8.10g,80mmol,5eq,11.14mL),加毕反应液于20℃下反应5小时。反应完全后,反应液加入水(100mL)稀释,乙酸乙酯300mL(100mL*3)萃取,饱和食盐水(50mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物4e。MS:m/z 285.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.29(br s,1H),9.04(s,1H),4.02(d,J=11.13Hz,2H),3.64(dd, J=11.32,1.94Hz,2H),3.48(br d,J=2.88Hz,2H),2.07-2.21(m,4H).
第四步
向化合物4e(2.03g,6.4mmol,1eq)的乙醇(16mL)和水(4mL)混合溶液中依次加入铁粉(1.79g,32mmol,5eq)和氯化铵(1.71g,32mmol,5eq),加毕反应液于75℃下反应3小时。反应完全后,反应液冷却至室温并向其中加入乙酸乙酯(300mL)稀释,硅藻土过滤,滤液减压浓缩得粗品化合物4f。MS:m/z 256.0[M+H] +
第五步
向化合物4f(1.28g,5mmol,1eq)的乙腈(20mL)溶液中加入N,N'-羰基二咪唑(1.62g,10mmol,2eq),加毕反应液于80℃下反应2小时。反应完全后,反应液减压浓缩的粗品,经柱层析(乙酸乙酯:石油醚=0:1~1:0)与打浆(甲醇/二氯甲烷:2mL/10mL,25℃,15分钟)纯化得化合物4g。MS:m/z 281.2[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 11.63(br s,1H),8.09(s,1H),3.76-3.86(m,4H),3.59(br d,J=8.63Hz,2H),2.27-2.36(m,2H),1.90-1.99(m,2H)。
第六步
向化合物4g(0.282g,1mmol,1eq)的N,N-二甲基甲酰胺(10mL)溶液中依次加入碳酸铯(0.489g,1.5mmol,1.5eq)和碘甲烷(0.177g,1.25mmol,1.25eq),加毕反应液于21℃下反应4小时。反应完全后,反应液加入水(20mL)稀释,乙酸乙酯90mL(30mL*3)萃取,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~4:1)纯化得化合物4h。MS:m/z 295.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 7.99(s,1H),4.10(d,J=10.51Hz,2H),3.83-3.91(m,2H),3.68(dd,J=10.63,2.00Hz,2H),3.42(s,3H),2.39-2.47(m,2H),2.12-2.20(m,2H)。
第七步
将化合物4h(221.8mg,0.75mmol,1eq),化合物1g(88.9mg,0.6mmol,0.8eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(136mg,150μmol,0.2eq)和碳酸铯(366.6mg,1.13mmol,1.5eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(20mL)并在100℃下反应3小时。反应完全后,反应液经硅藻土过滤后减压浓缩得粗品,随后经柱层析(甲醇:二氯甲烷=0:1~1:9)和打浆(二氯甲烷/乙酸乙酯:3mL/3mL,25℃,15分钟)纯化得化合物4。MS:m/z 408.2[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.77(s,1H),8.26(s,1H),7.89(s,1H),7.57(s,1H),6.72(s,1H),4.15(d,J=10.54Hz,2H),3.84-3.90(m,2H),3.71(br d,J=10.54Hz,2H),3.39(s,3H),2.51(s,3H),2.37-2.46(m,2H),2.09-2.18(m,2H)。
实施例5
Figure PCTCN2020131275-appb-000084
第一步
0℃下,向化合物5a(4.49g,30mmol,1eq,盐酸盐)的乙酸(50mL)和水(18mL)混合溶液中缓慢加入亚硝酸钠(2.28g,33mmol,1.1eq)的水(4.5mL)溶液,加毕反应液于20℃反应3小时。反应完全后,反应液加入水(50mL)稀释,乙酸乙酯150mL(50mL*3)萃取,有机相用饱和食盐水(30mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物5b。MS:m/z.143.0[M+H] +
第二步
0℃下,向化合物5b(3.70g,26mmol,1eq)的甲醇(20mL)溶液中依次加入锌粉(6.80g,104mmol,4eq)和乙酸(20mL),加毕反应液在20℃反应4小时。反应完全后,反应液经硅藻土过滤并用乙酸乙酯(200mL)洗涤,滤液减压浓缩得粗品化合物5c。
第三步
0℃下,向化合物1a(10.09g,52mmol,2eq)的二氧六环(150mL)溶液中依次加入化合物5c(4.89g,26mmol,1eq)和三乙胺(13.15g,130mmol,5eq,18.09mL),加毕反应液于20℃下反应5小时。反应完全后,反应液加入水(100mL)稀释,乙酸乙酯300mL(100mL*3)萃取,有机相用饱和食盐水(50mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物5e。MS:m/z 285.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.05(s,1H),8.97(br s,1H),4.43(br dd,J=4.44,2.06Hz,2H),2.94-3.06(m,4H),2.19-2.28(m,2H),1.90-2.03(m,2H)。
第四步
向化合物5e(2.43g,8.5mmol,1eq)的乙醇(120mL)和水(30mL)混合溶液中依次加入铁粉(2.37g,42.5mmol,5eq)和氯化铵(2.27g,42.5mmol,5eq),加毕反应液于75℃下反应3小时。反应完全后,反应液冷却至室温并向其中加入乙酸乙酯(200mL)稀释,硅藻土过滤并减压浓缩得粗品化合物5f。MS:m/z 256.0[M+H] +
第五步
向化合物5f(2.17g,8.5mmol,1eq)的乙腈(30mL)溶液中加入N,N'-羰基二咪唑(2.76g,17mmol,2eq),加毕反应液于80℃下反应2小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:0)纯化得化合物5g。MS:m/z 281.9[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 11.61(br s,1H),8.12(s,1H),4.38(br d,J=2.01Hz,2H),3.73(dd,J=9.91,1.63Hz,2H),2.81(d,J=9.54Hz,2H),1.99-2.09(m,2H),1.78-1.87(m,2H)。
第六步
向化合物5g(1.24g,4.4mmol,1eq)的N,N-二甲基甲酰胺(40mL)溶液中依次加入碳酸铯(2.15g,6.6mmol,1.5eq)和碘甲烷(780mg,5.5mmol,1.25eq),加毕反应液于21℃下反应4小时。反应完全后,反应液加入水(50mL)稀释,乙酸乙酯180mL(60mL*3)萃取,有机相用饱和食盐水(50mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~4:1)纯化得化合物5h。MS:m/z 295.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 7.98-8.05(m,1H),4.45(br d,J=2.25Hz,2H),3.99(dd,J=9.69,1.81Hz,2H),3.41(s,3H),2.80(br d,J=9.51Hz,2H),2.23-2.31(m,2H),1.94-2.04(m,2H)。
第七步
将化合物5h(502.7mg,1.7mmol,1eq),化合物1g(201.5mg,1.36mmol,0.8eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(231.2mg,255μmol,0.15eq)和碳酸铯(830.8mg,2.55mmol,1.5eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(30mL)并在100℃下反应3小时。反应完全后,反应液经硅藻土过滤后减压浓缩得粗品,随后经柱层析(甲醇/二氯甲烷:0~10%)和打浆(二氯甲烷/乙酸乙酯:1.5mL/3mL,25℃,15分钟)纯化得化合物5。MS:m/z 408.2[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.87(s,1H),8.26(s,1H),7.91(s,1H),7.57(s,1H),6.76(s,1H),4.48(br d,J=2.25Hz,2H),4.04(dd,J=9.76,1.88Hz,2H),3.40(s,3H),2.85(d,J=9.51Hz,2H),2.53(s,3H)2.29-2.37(m,2H),2.00-2.10(m,2H)。
实施例6
Figure PCTCN2020131275-appb-000085
第一步
0℃下,向化合物6a(350mg,1.29mmol,1eq,对甲苯磺酸盐)的乙酸(5mL)和水(1mL)混合溶液中缓慢加入亚硝酸钠(97.90mg,1.42mmol,1.1eq)的水(1mL)溶液,加毕反应液于20℃反应3小时。反应完全后,反应液加入水(30mL)稀释,乙酸乙酯60mL(20mL*3)萃取,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物6b。
1H NMR(400MHz,CDCl 3)δppm 4.79-4.87(m,1H),4.68-4.76(m,2H),4.59-4.66(m,1H),4.20(d,J=15.26Hz,1H),3.61-3.73(m,1H),3.29-3.40(m,1H),1.79(d,J=9.51Hz,1H)。
第二步
0℃下,向化合物6b(625mg,4.88mmol,1eq)的甲醇(7mL)溶液中依次加入锌粉(1.28g,19.51mmol,4eq)和乙酸(7mL),加毕反应液在20℃下反应4小时。反应完全后,反应液经硅藻土过滤并用乙酸乙酯(100mL)洗涤,滤液减压浓缩得化合物6c。
第三步
0℃下,向化合物1a(1.72g,8.89mmol,2.5eq)的二氧六环(35mL)溶液中加入化合物6c(1.92g,3.56mmol,1eq,醋酸盐),加毕反应液于20℃下反应1小时。反应完全后,反应液加入水(30mL)稀释,乙酸乙酯(30mL*3)萃取,饱和食盐水(30mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物6e。MS:m/z 271.9[M+H] +
第四步
向化合物6e(228mg,839.28μmol,1eq)的乙醇(5mL)和水(5mL)混合溶液中依次加入铁粉 (234.35mg,4.2mmol,5eq)和氯化铵(224.47mg,4.2mmol,5eq),加毕反应液于75℃下反应1小时。反应完全后,反应液冷却至室温,用硅藻土过滤并用乙醇(20mL)洗涤,洗涤液减压浓缩得粗品,粗品在25℃下在二氯甲烷/甲醇(20mL:2mL)混合溶液中搅拌15分钟,过滤,滤液减压浓缩-得化合物6f。
第五步
向化合物6f(155mg,641.35μmol,1eq)的乙腈(6mL)溶液中加入N,N'-羰基二咪唑(207.99mg,1.28mmol,2eq),加毕反应液于80℃下反应2小时。反应完全后,反应液减压浓缩,经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得化合物6g。MS:m/z 267.9[M+H] +
1H NMR(400MHz,CD 3OD)δppm 9.00(s,1H),5.38(d,J=6.13Hz,2H),4.76(d,J=10.13Hz,2H),4.04-4.13(m,2H),3.80-3.91(m,1H),3.21(d,J=8.38Hz,1H)。
第六步
向化合物6g(105mg,392.27μmol,1eq)的N,N-二甲基甲酰胺(6mL)溶液中依次加入碳酸铯(255.62mg,784.54μmol,2eq)和碘甲烷(0.58g,4.09mmol,1.2eq),加毕反应液于20℃下反应1小时。反应完全后,反应液加入水(10mL)稀释,乙酸乙酯(10mL*3)萃取,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得化合物6h。MS:m/z 281.8[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 8.38(s,1H),4.54(d,J=6.13Hz,2H),3.90(d,J=10.13Hz,2H),3.35(s,3H),3.23-3.28(m,2H),2.96-3.03(m,1H),2.37(d,J=8.38Hz,1H)。
第七步
将化合物6h(95mg,337.24μmol,1eq),化合物1g(44.97mg,303.52μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(61.14mg,67.45μmol,0.2eq)和碳酸铯(219.76mg,674.48μmol,2eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(7mL)并在100℃下反应3小时。反应完全后,反应液经硅藻土过滤后减压浓缩得粗品,经制备高效液相色谱(Welch Xtimate C18 100*40mm*3μm;流动相:[水0.225%甲酸)-乙腈];B(乙腈)%:6%-36%,8分钟)纯化得化合物6。
MS:m/z 394.0[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.85(s,1H),8.26(s,1H),7.95(s,1H),7.57(s,1H),6.80(s,1H),4.68(d,J=6.53Hz,2H),4.23(d,J=9.79Hz,2H),3.45-3.48(m,1H),3.44(s,3H),3.42-3.44(m,1H),3.19-3.31(m,1H),2.71(d,J=8.53Hz,1H),2.52(s,3H)。
实施例7
Figure PCTCN2020131275-appb-000086
第一步
0℃下,向化合物7a(2.3g,18.99mmol,1eq)的乙酸(24mL)和水(8mL)混合溶液中缓慢加入亚硝酸钠(1.31g,18.99mmol,1eq)的水(2.4mL)溶液,加毕,反应液于25℃反应1.5小时。反应完全后,反应液加入水(20mL)稀释,乙酸乙酯(30mL*3)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:3)纯化得化合物7b。
1H NMR(400MHz,CDCl 3)δppm 4.32-4.36(m,2H),3.84-3.89(m,2H),2.17(tt,J=12.89,6.31Hz,2H),1.90(tt,J=13.05,6.40Hz,2H)。
第二步
0℃下,向化合物7b(1.79g,11.92mmol,1eq)的乙酸(10mL)和甲醇(10mL)混合溶液中加入锌粉(3.12g,47.69mmol,4eq),加毕,反应液在25℃反应0.5小时。反应完全后,加入乙酸乙酯(40mL)稀释,反应液经硅藻土过滤,滤液减压浓缩得化合物7c。
第三步
0℃下,向化合物1a(7.51g,38.74mmol,2eq)的二氧六环(100mL)溶液中依次加入化合物7c(3.8g,19.37mmol,1eq,醋酸盐)的二氧六环(80mL)溶液和三乙胺(7.84g,77.47mmol,4eq,10.78mL),加毕,反应液于25℃下反应1小时。反应完全后,加入水(100mL)稀释,乙酸乙酯(100mL*3)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:4)纯化得化合物7e。MS:m/z 293.8[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.12(s,1H),9.08(s,1H),3.13(t,J=5.65Hz,4H),2.20-2.30(m,4H)。
第四步
向化合物7e(0.5g,1.70mmol,1eq)的乙醇(20mL)和水(5mL)混合溶液中依次加入铁粉(475.47mg,8.51mmol,5eq)和氯化铵(455.38mg,8.51mmol,5eq),加毕反应液于75℃下反应1小时。反应完全后,反应液冷却至室温,经硅藻土过滤并减压浓缩得粗品,粗品在25℃下在二氯甲烷/甲醇(20mL:2mL)混合液中搅拌15分钟,过滤,滤液减压浓缩得化合物7f。MS:m/z 263.8[M+H] +
第五步
向化合物7f(460mg,1.74mmol,1eq)的乙腈(10mL)溶液中加入N,N'-羰基二咪唑(848.64mg,5.23mmol,3eq),加毕反应液于80℃下反应1小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物7g。MS:m/z 289.7[M+H] +
1H NMR(400MHz,CDCl 3)δppm 8.32(br s,1H),7.99(s,1H),3.53(br t,J=5.52Hz,4H),2.13-2.25(m,4H)。
第六步
向化合物7g(539mg,1.86mmol,1eq)的N,N-二甲基甲酰胺(6mL)溶液中依次加入碳酸铯(2.43g,7.44mmol,4eq)和碘甲烷(792.34mg,5.58mmol,3eq),加毕反应液于25℃下反应1小时。反应完全后,加入水(6mL)淬灭,反应液减压浓缩,后用水(6mL)稀释,乙酸乙酯(10mL*3)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物7h。MS:m/z 303.8[M+H] +
1H NMR(400MHz,CDCl 3)δppm 8.06(s,1H),3.59(br t,J=5.52Hz,4H),3.46(s,3H),2.24-2.34(m,4H)。
第七步
将化合物7h(218mg,717.82μmol,1eq),化合物1g(95.72mg,646.04μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(130.14mg,143.56μmol,0.2eq)和碳酸铯(350.82mg,1.08mmol,1.5eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(6mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩,随后经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得化合物化合物7。MS:m/z 416.1[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.75(s,1H),8.28(s,1H),7.94(s,1H),7.60(s,1H),6.79(s,1H),3.56-3.66(m,4H),3.43(s,3H),2.54(s,3H),2.30(s,4H)。
实施例8和9
Figure PCTCN2020131275-appb-000087
第一步
0℃下,向化合物8a(5g,36.88mmol,1eq,盐酸盐)的乙酸(50mL)和水(17mL)混合溶液中缓慢加入亚硝酸钠(2.54g,36.88mmol,1eq)的水(5mL)溶液,加毕反应液于25℃反应18小时。反应完全后,反应液加入水(40mL)稀释,乙酸乙酯(50mL*8)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~2:1)纯化得化合物8b。
1H NMR(400MHz,CDCl 3)δppm 5.47(s,1H),4.79(s,1H),4.02(s,2H),3.46-3.62(m,2H),2.12(d,J=10.29Hz,1H),1.96(dd,J=10.29,2.26Hz,1H)。
第二步
0℃下,向化合物8b(1.93g,15.06mmol,1eq)的乙酸(10mL)和甲醇(10mL)混合溶液中加入锌粉(3.94g,60.25mmol,4eq),加毕反应液在25℃反应1小时。反应完全后,反应液经硅藻土过滤,滤液减压浓缩得化合物8c。
第三步
0℃下,向化合物1a(9.80g,50.52mmol,2eq)的二氧六环(140mL)溶液中依次加入化合物8c(4.4g,25.26mmol,1eq,醋酸盐)的二氧六环(80mL)溶液和三乙胺(12.78g,126.29mmol,5eq,17.58mL),加毕反应液于25℃下反应1小时。反应完全后,加入水(100mL)稀释,乙酸乙酯(100mL*3)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:2)纯化得化合物8e。MS:m/z 272.0[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.37(br s,1H),8.99(s,1H),4.48(s,1H),4.11(d,J=9.29Hz,1H), 3.95(s,1H),3.72(dd,J=9.16,1.63Hz,1H),3.39-3.48(m,1H),2.90-2.97(m,1H),2.11(d,J=10.29Hz,1H),1.81-2.02(m,1H)。
第四步
向化合物8e(0.5g,1.84mmol,1eq)的乙醇(5mL)和水(5mL)混合溶液中依次加入铁粉(513.97mg,9.20mmol,5eq)和氯化铵(492.25mg,9.20mmol,5eq),加毕反应液于75℃下反应0.5小时。反应完全后,反应液冷却至室温,硅藻土过滤并减压浓缩得粗品,粗品在25℃下在二氯甲烷/甲醇(10mL:1mL)溶液中搅拌15分钟,过滤,滤液减压浓缩得化合物8f。MS:m/z 242.0[M+H] +
第五步
向化合物8f(380mg,1.57mmol,1eq)的乙腈(8mL)溶液中加入N,N'-羰基二咪唑(509.91mg,3.14mmol,2eq),加毕反应液于80℃下反应1.5小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:0)纯化得化合物8g。MS:m/z 267.8[M+H] +
1H NMR(400MHz,CDCl 3)δppm 8.00(s,1H),4.63(s,1H),4.21(d,J=7.53Hz,1H),3.76-3.83(m,2H),3.71(dd,J=7.78,1.76Hz,1H),3.60(d,J=10.04Hz,1H),2.73(d,J=10.04Hz,1H),1.87(d,J=10.79Hz,1H)。
第六步
向化合物8g(520mg,1.94mmol,1eq)的N,N-二甲基甲酰胺(6mL)溶液中依次加入碳酸铯(2.53g,7.77mmol,4eq)和碘甲烷(827.22mg,5.83mmol,3eq),加毕反应液于25℃下反应1小时。反应完全后,加入水(5mL)淬灭反应,反应液减压浓缩,后用水(5mL)稀释,乙酸乙酯(10mL*6)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~4:1)纯化得化合物8h。MS:m/z 281.8[M+H] +
1H NMR(400MHz,CDCl 3)δppm 8.05(s,1H),4.71(s,1H),4.28(d,J=7.78Hz,1H),3.82-3.88(m,2H),3.79(dd,J=7.78,1.76Hz,1H),3.66(d,J=9.29Hz,1H),3.47(s,3H),2.81(d,J=8.53Hz,1H),1.95(d,J=11.04Hz,1H)。
第七步
将化合物8h(160mg,567.98μmol,1eq),化合物1g(75.74mg,511.18μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(102.98mg,113.60μmol,0.2eq)和碳酸铯(277.59mg,851.97μmol,1.5eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(5mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得消旋体,随后经超临界流体色谱纯化(柱子:Phenomenex-Cellulose-2(250mm*30mm,10μm);流动相:[0.1%氨水-异丙醇];-B(0.1%氨水/异丙醇)%:55%-55%)得化合物8和9。
化合物8:(保留时间9.25分钟)MS:m/z 394.1[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.86(s,1H),8.29(s,1H),7.95(s,1H),7.59(s,1H),6.85(s,1H),4.77(s,1H),4.32(d,J=8.03Hz,1H),3.99(d,J=9.79Hz,1H),3.91(s,1H),3.83(dd,J=7.78,1.51Hz,1H),3.70(d,J=8.78Hz,1H),3.44(s,3H),2.75(d,J=10.29Hz,1H),2.54(s,3H),1.97(d,J=10.04Hz,1H)。
化合物9:(保留时间11.75分钟)MS:m/z 394.1[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.86(s,1H),8.29(s,1H),7.95(s,1H),7.59(s,1H),6.84(s,1H),4.77(s,1H),4.32(d,J=7.78Hz,1H),3.99(d,J=9.79Hz,1H),3.91(s,1H),3.83(dd,J=7.78,1.76Hz,1H),3.70(d,J=9.79Hz,1H)3.45(s,3H),2.75(d,J=8.53Hz,1H),2.54(s,3H)1.97(d,J=10.04Hz,1H)。
实施例10
Figure PCTCN2020131275-appb-000088
第一步
0℃下,向化合物10a(1g,1.29mmol,1eq,盐酸盐)的乙酸(12mL)和水(4mL)混合溶液中缓慢加入亚硝酸钠(507.3mg,7.35mmol,1.1eq)的水(1mL)溶液,加毕反应液于20℃反应4小时。反应完全后,反应液加入水(30mL)稀释,乙酸乙酯(30mL*3)萃取,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物10b。
第二步
0℃下,向化合物10b(860mg,6.05mmol,1eq)的甲醇(5mL)溶液中依次加入锌粉(1.58g,24.2mmol,4eq)和乙酸(5mL),加毕反应液在20℃下反应4小时。反应完全后,反应液加入乙酸乙酯(100mL)稀释,硅藻土过滤,滤液减压浓缩得化合物10c。
第三步
0℃下,向化合物1a(1.75g,9mmol,2.eq)的二氧六环(60mL)溶液中加入化合物10c(1.41g,4.5mmol,1eq,醋酸盐)和三乙胺(910.7mg,9mmol,2eq),加毕反应液于20℃下反应5小时。反应完全后,反应液加入水(100mL)稀释,乙酸乙酯(100mL*3)萃取,饱和食盐水(50mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物10e。MS:m/z 285.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.32(br s,1H),9.07(s,1H),3.90-3.99(m,2H),3.12-3.22(m,2H),3.03(s,2H),0.89-0.97(m,2H),0.64-0.75(m,2H)。
第四步
向化合物10e(160mg,560.05μmol,1eq)的乙醇(8mL)和水(2mL)混合溶液中依次加入铁粉(156.38mg,2.8mmol,5eq)和氯化铵(149.79mg,2.8mmol,5eq),加毕反应液于75℃下反应3小时。反应完全后,反应液冷却至室温,硅藻土过滤并用乙醇(100mL)洗涤,洗涤液减压浓缩得粗品10f。
第五步
向化合物10f(150mg,586.62μmol,1eq)的乙腈(4mL)溶液中加入N,N'-羰基二咪唑(190.24mg,1.17mmol,2eq),加毕反应液于80℃下反应2小时。反应完全后,反应液减压浓缩,粗品经柱层析(乙酸乙酯:石油醚=0:1~1:0)纯化得化合物10g。MS:m/z 281.8[M+H] +
第六步
向化合物10g(140mg,496.99μmol,1eq)的N,N-二甲基甲酰胺(6mL)溶液中依次加入碳酸铯(242.89mg,745.48μmol,1.5eq)和碘甲烷(88.18mg,624.23μmol,1.25eq),加毕反应液于21℃下反应4小时。反应完全后,反应液加入水(10mL)稀释,乙酸乙酯(10mL*3)萃取,饱和食盐水(10mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:0)纯化得化合物10h。MS:m/z 296.0[M+H] +
1H NMR(400MHz,CDCl 3)δppm 8.02(s,1H),3.92-4.00(m,2H),3.52-3.64(m,2H),3.39-3.46(m,5H),0.84-0.97(m,2H),0.64-0.71(m,2H)。
第七步
将化合物10h(59.14mg,200μmol,1eq),化合物1g(26.67mg,180μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(36.26mg,40μmol,0.2eq)和碳酸铯(97.75mg,300μmol,1.5eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(5mL)并在100℃下反应3小时。反应完全后,反应液经硅藻土过滤后减压浓缩得粗品,先经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化,后又经超临界流体色谱纯化(DAICEL CHIRALPAK AD-H(250mm*30mm,5μm);流动相:[0.1%氨水/乙醇];-B(0.1%氨水/乙醇)%:30%-30%)得化合物10(保留时间1.59分钟)。MS:m/z 430.0[M+Na] +
1H NMR(400MHz,CDCl 3)δppm 9.83(s,1H),8.26(s,1H),7.92(s,1H),7.57(s,1H),6.77(s,1H),3.96-4.04(m,2H),3.60-3.69(m,2H),3.44-3.50(m,2H),3.41(s,3H),2.53(s,3H),0.91-1.03(m,2H),0.62-0.76(m,2H)。
实施例11
Figure PCTCN2020131275-appb-000089
第一步
0℃下,向化合物11a(1.25g,7.27mmol,1eq,半草酸盐)的乙酸(15mL)和水(5mL)混合溶液中缓慢加入亚硝酸钠(501.83mg,7.27mmol,1eq)的水(1.5mL)溶液,加毕反应液于25℃反应2小时。反应完全后,加入水(20mL)稀释,乙酸乙酯(30mL*6)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~2:1)纯化得化合物11b。
1H NMR(400MHz,CDCl 3)δppm 4.53(q,J=6.00Hz,4H),4.17-4.22(m,2H),3.74-3.79(m,2H),2.09-2.16(m,2H),1.83-1.90(m,2H)。
第二步
0℃下,向化合物11b(343mg,2.20mmol,1eq)的乙酸(2mL)和甲醇(2mL)混合溶液中加入锌粉(574.43mg,8.78mmol,4eq),加毕反应液在25℃反应6小时。反应完全后,加入乙酸乙酯(30mL)稀释,反应液经硅藻土过滤,滤液减压浓缩得化合物11c。
第三步
0℃下,向化合物1a(724.11mg,3.73mmol,2eq)的二氧六环(30mL)溶液中依次加入化合物11c(755mg,1.87mmol,1eq,醋酸盐)的二氧六环(5mL)溶液和三乙胺(755.48mg,7.47mmol,5eq,1.04mL),加毕反应液于25℃下反应1小时。反应完全后,加入水(50mL)稀释,乙酸乙酯(50mL*3)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物11e。MS:m/z 299.8[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.06(s,1H),9.01(br s,1H),4.48(s,4H),2.89(t,J=5.14Hz,4H),2.11(t,J=5.52Hz,4H)。
第四步
向化合物11e(0.1g,333.65μmol,1eq)的乙醇(2mL)和水(2mL)混合溶液中依次加入铁粉(93.17mg,1.67mmol,5eq)和氯化铵(89.24mg,1.67mmol,5eq),加毕反应液于75℃下反应1小时。反应完全后,反应液冷却至室温,硅藻土过滤并减压浓缩得粗品,粗品在25℃下在二氯甲烷/甲醇(10mL:1mL)溶液中搅拌15分钟,过滤,滤液减压浓缩得化合物11f。
第五步
向化合物11f(67mg,248.40μmol,1eq)的乙腈(2mL)溶液中加入N,N'-羰基二咪唑(120.83mg,745.19μmol,3eq),加毕反应液于80℃下反应1小时。反应完全后,反应液减压浓缩,经薄层制备色谱(乙酸乙酯:石油醚=1:0)纯化得化合物11g。MS:m/z 295.8[M+H] +
第六步
向化合物11g(64mg,216.42μmol,1eq)的N,N-二甲基甲酰胺(2mL)溶液中依次加入碳酸铯(282.05mg,865.67μmol,4eq)和碘甲烷(92.16mg,649.25μmol,3eq),加毕反应液于25℃下反应1小时。反应完全后,加入水(3mL)淬灭,减压浓缩,后用水(3mL)稀释,乙酸乙酯(10mL*6)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩得化合物11h。
第七步
将化合物11h(21mg,67.80μmol,1eq),化合物1g(9.04mg,61.02μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(12.29mg,13.56μmol,0.2eq)和碳酸铯(33.13mg,101.69μmol,1.5eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(3mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩,随后经薄层制备色谱(甲醇:二氯甲烷=1:20)纯化得化合物11。MS:m/z 422.4[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.69(s,1H),8.26(s,1H),7.91(s,1H),7.57(s,1H),6.75(s,1H),4.52(s,4H),3.39(s,7H)2.50(s,3H),2.13(t,J=4.64Hz,4H)。
实施例12
Figure PCTCN2020131275-appb-000090
第一步
0℃下,向化合物12a(3.55g,12.09mmol,1eq,半草酸盐)的乙酸(35mL)和水(12mL)混合溶液中缓慢加入亚硝酸钠(834.47mg,12.09mmol,1eq)的水(3.5mL)溶液,加毕反应液于25℃反应16小时。反应完全后,加入水(10mL)淬灭,减压浓缩后加入水(15mL)稀释,乙酸乙酯(50mL*6)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物12b。
1H NMR(400MHz,CDCl 3)δppm 4.52-4.69(m,2H),4.40-4.50(m,2H),4.09-4.17(m,1H),3.25-3.34(m,1H),2.43-2.54(m,2H),2.24-2.33(m,1H),2.02-2.11(m,1H),1.88-1.99(m,1H),1.61-1.70(m,1H)。
第二步
0℃下,向化合物12b(0.95g,6.08mmol,1eq)的乙酸(5mL)和甲醇(5mL)混合溶液中加入锌粉(1.59g,24.33mmol,4eq),加毕反应液在25℃反应2小时。反应完全后,加入乙酸乙酯(50mL)稀释,反应液经硅藻土过滤,滤液减压浓缩得化合物12c。
第三步
0℃下,向化合物1a(2.59g,13.35mmol,2eq)的二氧六环(100mL)溶液中依次加入化合物12c(2.7g,6.67mmol,1eq,醋酸盐)的二氧六环(35mL)溶液和三乙胺(2.70g,26.70mmol,4eq,3.72mL),加毕反应液于25℃下反应1小时。反应完全后,加入水(50mL)淬灭,水(25mL)稀释,乙酸乙酯(50mL*3)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物12e。MS:m/z 299.8[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.05(s,2H),4.55(t,J=7.78Hz,2H),2.90-3.07(m,4H),2.46(t, J=7.78Hz,2H),2.13-2.22(m,2H),2.04-2.11(m,2H)。
第四步
向化合物12e(252mg,840.80μmol,1eq)的乙醇(12mL)和水(4mL)混合溶液中依次加入铁粉(234.79mg,4.20mmol,5eq)和氯化铵(224.87mg,4.20mmol,5eq),加毕反应液于75℃下反应1小时。反应完全后,反应液冷却至室温,硅藻土过滤并减压浓缩得粗品,粗品在25℃下二氯甲烷/甲醇(10mL:1mL)溶液中搅拌15分钟,过滤,滤液减压浓缩得化合物12f。
第五步
向化合物12f(100mg,370.74μmol,1eq)的乙腈(3mL)溶液中加入N,N'-羰基二咪唑(180.35mg,1.11mmol,3eq),加毕反应液于80℃下反应1小时。反应完全后,反应液减压浓缩,经薄层制备色谱(乙酸乙酯:石油醚=1:0)纯化得化合物12g。MS:m/z 296.0[M+H] +
第六步
向化合物12g(132mg,446.36μmol,1eq)的N,N-二甲基甲酰胺(4mL)溶液中依次加入碳酸铯(581.73mg,1.79mmol,4eq)和碘甲烷(190.07mg,1.34mmol,3eq),加毕反应液于20℃下反应1小时。反应完全后,加入水(5mL)淬灭,减压浓缩,后用水(5mL)稀释,乙酸乙酯(10mL*6)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩得粗品化合物12h。
第七步
将化合物12h(55mg,177.56μmol,1eq),化合物1g(23.68mg,159.81μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(32.19mg,35.51μmol,0.2eq)和碳酸铯(86.78mg,266.34μmol,1.5eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(3mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩,随后经薄层制备色谱(甲醇:二氯甲烷=1:20)纯化得化合物12。MS:m/z 422.2[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.70(s,1H),8.25(s,1H),7.89(s,1H),7.57(s,1H),6.85(s,1H),4.57(t,J=7.69Hz,2H),3.58(br s,2H),3.39(s,3H),3.36(br s,2H),2.50(s,3H),2.45-2.49(m,2H),2.07-2.23(m,4H)。
实施例13
Figure PCTCN2020131275-appb-000091
第一步
0℃下,向化合物13a(800mg,6.29mmol,1eq)的乙酸(8mL)和水(3.2mL)混合溶液中缓慢加入亚硝酸钠(477.39mg,6.92mmol,1.1eq),加毕反应液于20℃反应3小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物13b。
1H NMR(400MHz,CDCl 3)δppm 4.18-4.23(m,2H),3.86(s,1H),3.78-3.83(m,2H),3.53-3.59(m,1H),2.0-2.12(m,3H),1.63-1.95(m,3H)
第二步
0℃下,向化合物13b(895mg,5.73mmol,1eq)的乙酸(5mL)和甲醇(5mL)混合溶液中加入锌粉(1.5g,22.92mmol,4eq),加毕反应液在20℃反应1小时。反应完全后,加入乙酸乙酯(100mL)稀释,反应液经硅藻土过滤,滤液减压浓缩得化合物13c。
第三步
0℃下,向化合物1a(2.22g,11.44mmol,2eq)的二氧六环(50mL)溶液中依次加入化合物13c(813.37mg,5.72mmol,1eq,醋酸盐),加毕反应液于20℃下反应1小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物13e。MS:m/z 299.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.07(s,1H),9.03(s,1H),3.80-3.83(m,2H),2.93-2.98(m,4H),2.08-2.22(m,4H),1.83-1.94(m,1H),1.61-1.74(m,1H)。
第四步
向化合物13e(140mg,467.11μmol,1eq)的乙醇(3mL)和水(3mL)混合溶液中依次加入铁粉(130.43mg,2.34mmol,5eq)和氯化铵(124.93mg,2.34mmol,5eq),加毕反应液于75℃下反应1小 时。反应完全后,反应液冷却至室温,用硅藻土过滤并用乙醇(20mL)洗涤,洗涤液减压浓缩得粗品,粗品在25℃下在二氯甲烷/甲醇(10mL:1mL)溶液中搅拌15分钟,过滤,滤液减压浓缩得化合物13f。
第五步
向化合物13f(145mg,537.57μmol,1eq)的乙腈(4mL)溶液中加入N,N'-羰基二咪唑(174.33mg,1.08mmol,2eq),加毕反应液于80℃下反应2小时。反应完全后,反应液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:10)纯化得化合物13g。MS:m/z 295.8[M+H] +
第六步
向化合物13g(125mg,422.69μmol,1eq)的N,N-二甲基甲酰胺(2mL)溶液中依次加入碳酸铯(275.44mg,845.38μmol,2eq)和碘甲烷(71.9mg,507.22μmol,1.2eq),加毕反应液于20℃下反应1小时。反应完全后,加入水(10mL)淬灭,乙酸乙酯(10mL*3)萃取,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:10)纯化得化合物13h。MS:m/z 309.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 8.02(s,1H),3.83-3.84(m,2H),3.40-3.44(m,7H),2.10-2.24(m,4H),1.81-1.90(m,1H),1.56-1.63(m,1H)。
第七步
将化合物13h(45mg,145.28μmol,1eq),化合物1g(19.37mg,130.75μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(26.34mg,29.06μmol,0.2eq)和碳酸铯(94.67mg,290.56μmol,2eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(2mL)并在100℃下反应3小时。反应完全后,反应液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:10)纯化得化合物13。MS:m/z 422.0[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.84(s,1H),8.26(s,1H),7.92(s,1H),7.57(s,1H),6.74(s,1H),3.83-3.88(m,2H),3.43-3.51(m,4H),3.41(s,3H),2.53(s,3H),2.18-2.29(m,3H),2.10-2.16(m,1H),1.79-1.94(m,1H),1.59-1.69(m,1H)。
实施例14
Figure PCTCN2020131275-appb-000092
第一步
0℃下,向化合物14a(1g,9.08mmol,1eq)的乙酸(10mL)和水(4mL)混合溶液中缓慢加入亚硝酸钠(688.97mg,9.99mmol,1.1eq),加毕反应液于20℃反应3小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物14b。
1H NMR(400MHz,CDCl 3)δppm 4.31-4.46(m,2H),3.97-4.10(m,1H),3.73-3.85(m,1H),2.99-3.11(m,1H),2.05-2.18(m,2H),1.77-1.91(m,2H)。
第二步
0℃下,向化合物14b(998mg,7.17mmol,1eq)的乙酸(8mL)和甲醇(8mL)混合溶液中加入锌粉(1.88g,28.69mmol,4eq),加毕反应液在20℃反应1小时。反应完全后,加入乙酸乙酯(20mL)稀释,反应液经硅藻土过滤,滤液减压浓缩得化合物14c。
第三步
0℃下,向化合物1a(2.78g,14.34mmol,2eq)的二氧六环(26mL)溶液中依次加入化合物14c(897.48mg,7.17mmol,1eq,醋酸盐),加毕反应液于20℃下反应1小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物14e。MS:m/z 282.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.11(s,1H),9.08(s,1H),3.10-3.19(m,2H),3.01-3.09(m,2H),2.77-2.86(m,1H),2.09-2.20(m,4H)。
第四步
向化合物14e(98mg,346.67μmol,1eq)的乙醇(2mL)和水(2mL)混合溶液中依次加入铁粉(96.80mg,1.73mmol,5eq)和氯化铵(92.72mg,1.73mmol,5eq),加毕反应液于75℃下反应1小 时。反应完全后,反应液冷却至室温,用硅藻土过滤并用乙醇(20mL)洗涤,洗涤液减压浓缩得粗品,粗品在25℃下在二氯甲烷/甲醇(10mL:1mL)溶液中搅拌15分钟,过滤,滤液减压浓缩得化合物14f。
第五步
向化合物14f(73mg,288.88μmol,1eq)的乙腈(2mL)溶液中加入N,N'-羰基二咪唑(93.68mg,577.75μmol,2eq),加毕反应液于80℃下反应1小时。反应完全后,反应液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:10)纯化得化合物14g。MS:m/z 278.9[M+H] +
第六步
向化合物14g(58mg,208.11μmol,1eq)的N,N-二甲基甲酰胺(2mL)溶液中依次加入碳酸铯(135.61mg,416.22μmol,2eq)和碘甲烷(35.45mg,249.73μmol,1.2eq),加毕反应液于20℃下反应1小时。反应完全后,加入水(10mL)淬灭,乙酸乙酯30mL(10mL*3)萃取,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:10)纯化得化合物14h。MS:m/z 292.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 8.03(s,1H),3.51-3.59(m,2H),3.44-3.50(m,2H),3.43(s,3H),2.61-2.93(m,1H),2.13-2.24(m,4H)。
第七步
将化合物14h(38mg,129.82μmol,1eq),化合物1g(17.31mg,116.83μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(23.54mg,25.96μmol,0.2eq)和碳酸铯(84.59mg,259.63μmol,2eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(2mL)并在100℃下反应3小时。反应完全后,反应液减压浓缩并经薄层制备色谱(甲醇:二氯甲烷=1:10)纯化得化合物14。MS:m/z 405.0[M+H] +
1H NMR(400MHz,CDCl3)δppm 9.75(s,1H),8.27(s,1H),7.93(s,1H),7.58(s,1H),6.81(s,1H),3.52-3.62(m,4H),3.41(s,3H),2.75-2.87(m,1H),2.51(s,3H),2.16-2.24(m,4H)。
实施例15
Figure PCTCN2020131275-appb-000093
第一步
0℃下,向化合物15a(3g,20.32mmol,1eq,盐酸盐)的乙酸(30mL)和水(10mL)混合溶液中缓慢加入亚硝酸钠(1.40g,20.32mmol,1eq)的水(3mL)溶液,加毕反应液于25℃反应16小时。反应完全后,加入水(10mL)淬灭,减压浓缩后加入水(30mL)稀释,乙酸乙酯(50mL*3)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:2)纯化得化合物15b。
1H NMR(400MHz,CDCl 3)δppm 4.43(dd,J=12.69,7.82Hz,1H),4.10(dd,J=12.63,4.50Hz,1H),3.79(dd,J=15.20,8.69Hz,1H),3.42(dd,J=15.32,4.69Hz,1H),2.69-2.89(m,2H),1.85-2.00(m,2H),1.61-1.82(m,2H),1.41-1.56(m,2H)。
第二步
0℃下,向化合物15b(0.81g,5.78mmol,1eq)的乙酸(5mL)和甲醇(5mL)混合溶液中加入锌粉(1.51g,23.11mmol,4eq),加毕反应液在20℃反应2小时。反应完全后,加入乙酸乙酯(100mL)稀释,反应液经硅藻土过滤,滤液减压浓缩得化合物15c。
第三步
0℃下,向化合物1a(2.71g,13.96mmol,2eq)的二氧六环(100mL)溶液中依次加入化合物15c(2.6g,6.98mmol,1eq,醋酸盐)的二氧六环(3mL)溶液和三乙胺(2.83g,27.92mmol,4eq,3.89mL),加毕反应液于20℃下反应1小时。反应完全后,加入水(30mL)淬灭,减压浓缩后,水(50mL)稀释,乙酸乙酯(60mL*4)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:6)纯化得化合物15e。MS:m/z 284.0[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.04(s,1H),8.99(br s,1H),3.37(br t,J=7.94Hz,2H),2.76(br s, 2H),2.50-2.59(m,2H),1.65-1.77(m,4H),1.25(br s,2H)。
第四步
向化合物15e(115mg,405.34μmol,1eq)的乙醇(2mL)和水(2mL)混合溶液中依次加入铁粉(113.19mg,2.03mmol,5eq)和氯化铵(108.41mg,2.03mmol,5eq),加毕反应液于75℃下反应1小时。反应完全后,反应液冷却至室温,硅藻土过滤并减压浓缩得粗品,粗品在25℃下在二氯甲烷/甲醇(10mL:1mL)溶液中搅拌15分钟,过滤,滤液减压浓缩得化合物15f。
第五步
向化合物15f(120mg,472.94μmol,1eq)的乙腈(4mL)溶液中加入N,N'-羰基二咪唑(230.06mg,1.42mmol,3eq),加毕反应液于80℃下反应1小时。反应完全后,反应液减压浓缩,经薄层制备色谱(乙酸乙酯:石油醚=1:0)纯化得化合物15g。MS:m/z 280.0[M+H] +
第六步
向化合物15g(37mg,132.27μmol,1eq)的N,N-二甲基甲酰胺(1.5mL)溶液中依次加入碳酸铯(172.39mg,529.09μmol,4eq)和碘甲烷(56.32mg,396.82μmol,3eq),加毕反应液于20℃下反应1小时。反应完全后,加入水(3mL)淬灭,减压浓缩,后用水(3mL)稀释,乙酸乙酯(10mL*2)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩得粗品化合物15h。
第七步
将化合物15h(26.5mg,90.21μmol,1eq),化合物1g(12.03mg,81.19μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(16.36mg,18.04μmol,0.2eq)和碳酸铯(44.09mg,135.32μmol,1.5eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(2mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩,随后经薄层制备色谱(甲醇:二氯甲烷=1:20)纯化得化合物15。MS:m/z 406.2[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.70(s,1H),8.24(s,1H),7.89(s,1H),7.55(s,1H),6.80(s,1H),3.58(s,2H),3.39(s,3H),3.29(s,2H),2.79(s,2H),2.48(s,3H),1.62-1.89(m,6H)。
实施例16
Figure PCTCN2020131275-appb-000094
第一步
0℃下,向化合物16a(1g,8.36mmol,1eq,盐酸盐)的乙酸(10mL)和水(3.5mL)混合溶液中缓慢加入亚硝酸钠(634.66mg,9.20mmol,1.1eq)的水(1mL)溶液,加毕反应液于20℃反应3小时。反应完全后,加入饱和碳酸氢钠水溶液(200mL)淬灭,乙酸乙酯(100mL*2)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:4)纯化得化合物16b。
1H NMR(400MHz,CDCl 3)δppm 4.51(d,J=12.05Hz,1H),4.31(dd,J=11.92,4.14Hz,1H),4.08(d,J=14.4Hz,1H),3.38(ddd,J=14.31,4.64,1.13Hz,1H),1.57-1.73(m,2H),0.83-0.95(m,1H),0.08-0.20(m,1H)。
第二步
0℃下,向化合物16b(0.73g,6.51mmol,1eq)的乙酸(3mL)和甲醇(3mL)混合溶液中加入锌粉(1.70g,26.04mmol,4eq),加毕反应液在25℃反应1小时。反应完全后,加入乙酸乙酯(50mL)稀释,反应液经硅藻土过滤,滤液减压浓缩得化合物16c。
第三步
0℃下,向化合物1a(4.35g,22.42mmol,1eq)的乙醇(30mL)溶液中依次加入化合物16c(2.2g,22.42mmol,1eq)和二异丙基乙基胺(14.49g,112.08mmol,5eq,19.52mL),加毕反应液于0℃下反应1小时。反应完全后,加入水(100mL)淬灭,二氯甲烷(100mL*2)萃取,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:9)纯化得化合物16e。MS:m/z 255.7[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.03(s,1H),8.99(br s,1H),3.37(d,J=8.25Hz,2H),3.09(br d,J=7.88Hz,2H),1.55-1.58(m,2H),0.87(q,J=4.17Hz,1H),0.58-0.68(m,1H)。
第四步
向化合物16e(100mg,391.14μmol,1eq)的乙醇(2mL)和水(2mL)混合溶液中依次加入铁粉(87.37mg,1.56mmol,4eq)和氯化铵(83.69mg,1.56mmol,4eq),加毕反应液于80℃下反应2小时。反应完全后,反应液冷却至室温,硅藻土过滤并用乙醇(50mL)洗涤,滤液减压浓缩得粗品,粗品在25℃下在二氯甲烷/甲醇(50mL:10mL)溶液中搅拌15分钟,过滤,滤液减压浓缩得化合物16f。
第五步
向化合物16f(100mg,443.11μmol,1eq)的乙腈(2mL)溶液中加入N,N'-羰基二咪唑(71.85mg,443.11μmol,1eq),加毕反应液于80℃下反应1小时。反应完全后,乙酸乙酯(20mL*2)萃取,水(20mL*2)洗涤,经薄层制备色谱(乙酸乙酯:石油醚=1:2)纯化得化合物16g。MS:m/z 252.0[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 8.12(s,1H),3.73(d,J=7.03Hz,2H),3.11(d,J=7.78Hz,2H),1.55-1.61(m,2H),0.73-0.77(m,1H),0.57-0.65(m,1H)。
第六步
向化合物16g(20mg,79.47μmol,1eq)的N,N-二甲基甲酰胺(3mL)溶液中依次加入碳酸铯(51.78mg,158.94μmol,2eq)和碘甲烷(11.28mg,79.47μmol,1eq),加毕反应液于25℃下反应3小时。反应完全后,加水(50mL)稀释,乙酸乙酯(20mL*2)萃取,饱和食盐水(100mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩得粗品化合物16h。
第七步
将化合物16h(28mg,105.38μmol,1eq),化合物1g(14.05mg,94.84μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(19.11mg,21.08μmol,0.2eq)和碳酸铯(51.50mg,158.07μmol,1.5eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(3mL)并在100℃下反应3小时。反应完全后,反应液过滤并用乙酸乙酯(50mL)洗涤,滤液减压浓缩,随后经薄层制备色谱(甲醇:二氯甲烷=1:20)纯化得化合物16。MS:m/z 378.3[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 9.16(s,1H),8.72(s,1H),8.36(s,1H),8.08(s,1H),7.69(s,1H),3.76(br d,J=7.03Hz,2H),3.27(s,3H),3.11(br d,J=7.78Hz,2H),2.39(s,3H),1.52-1.61(m,2H),0.70-0.76(m,1H),0.53-0.62(m,1H)。
实施例17
Figure PCTCN2020131275-appb-000095
第一步
15℃下,向化合物17a(5.18g,30.0mmol,1eq)的1,4-二氧六环(30mL)溶液中加入肼一水合物(4.61g,120.0mmol,4eq),加毕于15℃下反应8小时。反应完全后,反应液过滤,滤饼用水(50mL)洗涤并经减压干燥得化合物17b。MS:m/z.168.9[M+H] +
第二步
25℃下向化合物17b(5.04g,30mmol,1eq)的二氯甲烷(60mL)溶液中依次加入原甲酸三甲脂(12.73g,120mmol,4eq)和三氟乙酸(0.684g,6mmol,0.2eq),加毕在25℃下反应2小时。反应完全后,反应液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得化合物17c。MS:m/z.178.9[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 9.70(s,1H),9.35(s,1H),7.84(s,1H),2.59(s,3H)。
第三步
向化合物17c(3.92g,22mmol,1eq)的乙醇(80mL)和水(20mL)混合溶液中依次加入铁粉(6.14g,110mmol,5eq)和氯化铵(5.88g,110mmol,5eq),加毕反应液于70℃下反应3小时。反应完全后,反应液过滤并用乙醇(20mL)洗涤,滤液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得化合物17d。MS:m/z 148.8[M+H] +
1H NMR(400MHz,DMSO-d 6)δppm 8.11(s,1H),8.07(s,1H),7.46(s,1H),5.01(s,2H),2.25(d,J=0.88Hz,3H)。
第四步
将化合物17d(29.63mg,200μmol,1eq),化合物5h(59.14mg,200.00μmol,1eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(27.19mg,30.00μmol,0.15eq)和碳酸铯(97.75mg,300μmol,1.5eq)的二氧六环(2.5mL)溶液置换氮气三次并于100℃氮气保护下反应2小时。反应完全后,硅藻土过滤,滤液减压浓缩得粗品,粗品经薄层制备色谱(甲醇:二氯甲烷=1:12)纯化得化合物17。MS:m/z 408.2[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.88(s,1H),8.28(s,1H),7.91(s,1H),7.60(s,1H),6.93(s,1H),4.46-4.54(m,2H),4.05(dd,J=9.88,2.13Hz,2H),3.41(s,3H),2.86(d,J=9.63Hz,2H),2.55(s,3H),2.29- 2.36(m,2H),2.01-2.09(m,2H)。
实施例18
Figure PCTCN2020131275-appb-000096
将化合物17d(29.63mg,200μmol,1eq),化合物4h(59.14mg,200.00μmol,1eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(27.19mg,30.00μmol,0.15eq)和碳酸铯(97.75mg,300μmol,1.5eq)的二氧六环(2.5mL)溶液置换氮气三次并于100℃氮气保护下反应2小时。反应完全后,硅藻土过滤,减压浓缩得粗品,粗品经薄层制备色谱(甲醇:二氯甲烷=1:12)纯化得化合物18。MS:m/z 408.1[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.77(s,1H),8.27(s,1H),7.90(s,1H),7.59(s,1H),6.77(s,1H),4.13-4.22(m,2H),3.85-3.94(m,2H),3.69-3.75(m,2H),3.40(s,3H),2.52(s,3H),2.37-2.46(m,2H),2.09-2.18(m,2H)。
实施例19
Figure PCTCN2020131275-appb-000097
第一步
向化合物19a(1g,6.53mmol,1eq)的乙醇(10mL)溶液中加入氯乙醛(1.92g,9.80mmol,1.58mL,40%纯度,1.5eq),加毕反应液于70℃反应2小时。反应完全后,反应液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得化合物19b。
1H NMR(400MHz,DMSO-d 6)δppm 9.95(s,1H),8.34(d,J=1.50Hz,1H),8.15(d,J=1.88Hz,1H), 7.93(s,1H),2.71(s,3H)。
第二步
向化合物19b(1.2g,6.77mmol,1eq)的乙醇(6mL)和水(6mL)混合溶液中依次加入铁粉(1.51g,27.09mmol,4eq)和氯化铵(1.45g,27.09mmol,4eq),加毕反应液于80℃下反应1小时。反应完全后,反应液冷却至室温,硅藻土过滤,滤液减压浓缩得粗品,粗品于25℃下在二氯甲烷:甲醇=30mL:3mL中超声5分钟,过滤,滤液浓缩得化合物19c。MS:m/z 147.9[M+H] +
第三步
将化合物5h(50mg,169.08μmol,1eq),化合物19c(22.40mg,152.17μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(30.65mg,33.82μmol,0.2eq)和碳酸铯(82.63mg,253.61μmol,1.5eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(2mL),加毕在100℃下反应2小时。反应完全后,反应液减压浓缩,残留物先经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得粗品,再经制备高效液相色谱(中性条件:色谱柱:Phenomenex Gemini-NX 80*30mm*3μm;流动相:[水(10mM碳酸氢铵)-乙腈];乙腈%:16%-46%,9分钟)纯化得化合物19。MS:m/z 407.3[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.46(s,1H),7.91(s,1H),7.62(s,1H),7.56(s,1H),7.48(s,1H),6.77(s,1H),4.47-4.56(m,2H),4.07-4.15(m,2H),3.39(s,3H),2.82-2.93(m,2H),2.46(s,3H),2.26-2.35(m,2H),2.01-2.11(m,2H)。
实施例20
Figure PCTCN2020131275-appb-000098
第一步
将化合物4h(50mg,169.08μmol,1eq),化合物19c(22.40mg,152.17μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(30.65mg,33.82μmol,0.2eq)和碳酸铯(82.63mg,253.61μmol,1.5eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(2mL),加毕在100℃下反应2小时。反应完全后,反应液减压浓缩,先经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得粗品,再经制备高效液相色谱(中性条件:色谱柱:Phenomenex Gemini-NX 80*30mm*3μm;流动相:[水(10mM碳酸氢铵)-乙腈];乙腈%:13%-43%,9分钟)纯化得化合物20。MS:m/z 407.3[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.20(s,1H),7.87(s,1H),7.57(s,1H),7.51(s,1H),7.47(s,1H),6.65(s,1H),4.07-4.16(m,2H),3.79-3.88(m,2H),3.66-3.75(m,2H),3.38(s,3H),2.35-2.47(m,5H),2.05- 2.15(m,2H)。
实施例21
Figure PCTCN2020131275-appb-000099
第一步
向化合物21a(3g,12.66mmol,1eq)的二氧六环(20mL)溶液中加入2,2-二甲氧基苄胺(6.35g,37.97mmol,5.72mL,3eq)和N,N-二异丙基乙基胺(4.91g,37.97mmol,6.61mL,3eq),加毕反应液于110℃下反应16小时。反应完全后,反应液冷却至室温,减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:3)纯化得化合物21b。MS:m/z 385.0[M+H] +
1H NMR(400MHz,CDCl 3)δppm 7.84(s,1H),7.16-7.20(m,1H),6.95(s,1H),6.40-6.48(m,2H),4.78(s,1H),4.31-4.37(m,2H),3.83(s,3H),3.79(s,3H),2.22(s,3H)。
第二步
向化合物21b(865g,2.25mmol,1eq)的二氯甲烷(9mL)溶液中加入三氟乙酸(6.93g,60.78mmol,4.5mL,27eq),加毕反应液于20℃下反应12小时。反应完全后,反应液减压浓缩,加入饱和碳酸氢钠(20mL)调节pH为8~9,乙酸乙酯(10mL*3)萃取,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物21c。MS:m/z 234.9[M+H] +
第三步
向化合物21c(375mg,1.6mmol,1eq)的甲苯(4mL)溶液中加入N,N-二甲基甲酰胺二甲基缩醛(572.80mg,4.81mmol,638.58μL,3eq),加毕反应液于110℃下反应2小时。反应完全后,反应液减压浓缩得粗品化合物21d。
第四步
向化合物21d(620mg,2.14mmol,1eq)的甲醇(6mL)溶液中加入盐酸羟胺(298.04mg,4.29mmol,2eq),加毕反应液于70℃下反应1小时。反应完全后,反应液减压浓缩得化合物21e。
第五步
0℃下,向化合物21e(1.14g,4.11mmol,1eq)的四氢呋喃(12mL)溶液中加入三氟乙酸酐(1.30 g,6.17mmol,858.47μL,1.5eq),加毕反应液于20℃下反应18小时。反应完全后,反应液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物21f。MS:m/z 259.9[M+H] +
第六步
将化合物21f(175mg,675.55μmol,1eq),二苯甲酮亚胺(134.68mg,743.11μmol,124.70μL,1.1eq),三(二亚苄基丙酮)二钯(12.37mg,13.51μmol,0.02eq),1,1'-联萘-2,2'-双二苯膦(11.74mg,20.29μmol,0.03eq)和叔丁醇钠(97.38mg,1.01mmol,1.5eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水甲苯(3mL),加毕在90℃下反应3小时。反应完全后,反应液减压浓缩,随后加入四氢呋喃(10mL)和3mol/L盐酸溶液(3mL),在20℃下搅拌0.5小时,而后加入水(20mL)稀释,乙酸乙酯(15mL*2)萃取,弃去有机相。水相加入适量氨水溶液调节pH为9~11,而后用乙酸乙酯(10mL*3)萃取,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得化合物21g。MS:m/z 148.9[M+H] +
1H NMR(400MHz,CDCl 3)δppm 8.20(s,1H),8.08(s,1H),6.78(s,1H),4.17(s,2H),2.20-2.24(m,3H)。
第七步
将化合物21g(22.55mg,152.17μmol,0.9eq),化合物5h(50mg,169.08μmol,1eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(30.65mg,33.82μmol,0.2eq)和碳酸铯(110.18mg,338.15μmol,2eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(2mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩,经薄层制备色谱(甲醇:二氯甲烷=1:10)纯化得化合物21。MS:m/z 408.1[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.03(s,1H),8.35(s,1H),8.21(s,1H),7.97(s,1H),7.11(s,1H),4.46-4.54(m,2H),4.01-4.11(m,2H),3.42(s,3H),2.80-2.91(m,2H),2.45(s,3H),2.30-2.39(m,2H),2.01-2.08(m,2H)。
实施例22
Figure PCTCN2020131275-appb-000100
第一步
将化合物4h(50mg,169.08μmol,1eq),化合物21g(22.55mg,152.17μmol,0.9eq),甲磺酸(2-二环己基膦基-3,6-二甲氧基-2',4',6'-三异丙基-1,1'-联苯)(2-氨基-1,1'-联苯-2-基)钯(II)(30.65mg,33.82μmol,0.2eq)和碳酸铯(110.18mg,338.15μmol,2eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(3mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩并经薄层制备色谱 (甲醇:二氯甲烷=1:10)纯化得化合物22。MS:m/z 430.1[M+Na] +
1H NMR(400MHz,CDCl 3)δppm 8.97(s,1H),8.34(s,1H),8.21(s,1H),7.96(s,1H),7.10(s,1H),4.13-4.19(m,2H),3.87-3.93(m,2H),3.70-3.76(m,2H),3.41(s,3H),2.41-2.49(m,5H),2.14-2.20(m,2H)。
实施例23
Figure PCTCN2020131275-appb-000101
第一步
向化合物23a(4.2g,22.34mmol,1eq)的乙醇(42mL)和水(17.5mL)混合溶液中加入氯乙醛(5.26g,26.80mmol,670.12μL,40%纯度,1.2eq),加毕反应液于100℃下反应16小时。反应完全后,反应液加入饱和碳酸氢钠溶液(60mL)稀释,乙酸乙酯(50mL*3)萃取,饱和食盐水(30mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩并经柱层析(乙酸乙酯:石油醚=0:1~1:1)纯化得化合物23b。MS:m/z 213.8[M+H+2] +
1H NMR(400MHz,CDCl 3)δppm 8.57(s,1H),7.84-7.86(m,1H),7.48-7.50(m,1H),2.79(s,3H)。
第二步
将化合物23b(1g,4.72mmol,1eq),二苯甲酮亚胺(940.15mg,5.19mmol,870.51μL,1.1eq),三(二亚苄基丙酮)二钯(431.85mg,471.59μmol,0.1eq),4,5-双二苯基膦-9,9-二甲基氧杂蒽(545.75mg,943.19μmol,0.2eq)和碳酸铯(3.07g,9.43mmol,2eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(30mL)并在120℃下反应3小时。反应完全后,冷却至室温,反应液减压浓缩,随后加入四氢呋喃(10mL)和3mol/L盐酸溶液(12mL),并在20℃下搅拌半小时,而后加入水(20mL)稀释,乙酸乙酯(20mL*3)萃取,弃去有机相。水相加入适量氨水溶液调节pH为9~11,随后该水相直接减压浓缩并经柱层析(甲醇:二氯甲烷=0:1~1:9)纯化得化合物23c。MS:m/z 148.8[M+H] +
第三步
将化合物23c(40.08mg,270.52μmol,2eq),化合物5h(40mg,135.26μmol,1eq),三(二亚苄基 丙酮)二钯(12.39mg,13.53μmol,0.1eq),4,5-双二苯基膦-9,9-二甲基氧杂蒽(15.65mg,27.05μmol,0.2eq)和碳酸铯(88.14mg,270.52μmol,2eq)置于反应瓶并置换三次氮气,随后向混合物中加入无水二氧六环(2mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩并经薄层制备色谱(甲醇:二氯甲烷=1:10)纯化得化合物23。MS:m/z 408.2[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.74(s,1H),7.93(s,1H),7.73(s,1H),7.53(s,1H),6.83(s,1H),4.48-4.54(m,2H),4.03-4.10(m,2H),3.41(s,3H),2.84-2.90(m,2H),2.74(s,3H),2.25-2.32(m,2H),2.03-2.11(m,2H)。
实施例24
Figure PCTCN2020131275-appb-000102
第一步
将化合物4h(40mg,135.26μmol,1eq),化合物23c(40.08mg,270.52μmol,2eq),三(二亚苄基丙酮)二钯(12.39mg,13.53μmol,0.1eq),4,5-双二苯基膦-9,9-二甲基氧杂蒽(15.65mg,27.05μmol,0.2eq)和碳酸铯(88.14mg,270.52μmol,2eq)置于反应瓶并抽换三次氮气,随后向混合物中加入无水二氧六环(2mL)并在100℃下反应2小时。反应完全后,反应液减压浓缩并经薄层制备色谱(甲醇:二氯甲烷=1:10)纯化得化合物24。MS:m/z 408.1[M+H] +
1H NMR(400MHz,CDCl 3)δppm 9.60(s,1H),7.89(s,1H),7.74(s,1H),7.43-7.50(m,1H),6.76(s,1H),4.06-4.14(m,2H),3.79-3.86(m,2H),3.67-3.75(m,2H),3.39(s,3H),2.72(s,3H),2.39-2.47(m,2H),2.09-2.18(m,2H)。
生物测试数据:
实验例1:DNA依赖性蛋白激酶(DNA-PK)抑制活性筛选实验
本实验测试于Eurofins
实验材料及方法:
人源DNA-PK;Mg/ATP;GST-cMyc-p53;EDTA;Ser15抗体;ATP:10μM。
实验方法(Eurofins Pharma Discovery Service):
将DNA-PK(h)在含有50nM GST-cMyc-p53和Mg/ATP(根据需要的浓度)的测定缓冲液中温育。通过添加Mg/ATP混合物引发反应。在室温下温育30分钟后,加入含有EDTA的终止溶液终止反应。最后,添加检测缓冲液(含有标记的抗GST单克隆抗体和针对磷酸化p53的铕标记的抗磷酸 Ser15抗体)。然后以时间分辨荧光模式读板,并根据公式HTRF=10000×(Em665nm/Em620nm)测定均匀时间分辨荧光(HTRF)信号。
实验结果:
表1 DNA-PK激酶活性测试结果
供试品 DNA-PK激酶抑制IC 50(nM)
化合物1 2
化合物4 1
化合物5 1
化合物6 1
化合物7 2
化合物8 7
化合物9 3
化合物10 2.5
化合物11 5
化合物12 4
化合物13 2
化合物14 5
化合物15 1
化合物16 0.5
化合物17 0.5
化合物18 0.9
化合物19 0.6
化合物20 0.9
化合物21 0.5
化合物22 0.4
化合物23 10
化合物24 68
结论:本发明化合物具有显著的DNA-PK激酶抑制活性。
实验例2:药代动力学评价(一)
1.实验方法
受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水(化合物1,4,10,17)或20%N,N-二甲基乙酰胺/80%水(化合物5)混合,涡旋并超声,制备得到0.08mg/mL(化合物1,4,10,17)或0.50mg/mL(化合物5)近似澄清溶液,微孔滤膜过滤后备用。选取18至20克的Balb/c雄性小鼠,静脉注射给予候选化合物溶液,剂量为0.4(化合物1,4,10,17)或1mg/kg(化合物5)。受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水(化合物1,4,10,17)或20%-羟丙基-β-环糊精(化合物5)混合,涡旋 并超声,制备得到0.2mg/mL(化合物1,4,10,17)或1mg/mL(化合物5)近似澄清溶液,微孔滤膜过滤后备用。选取18至20克的Balb/c雄性小鼠,口服给予候选化合物溶液,剂量为2(化合物1,4,10,17)或5mg/kg(化合物5)。收集一定时间的全血,制备得到血浆,以LC-MS/MS方法分析药物浓度,并用Phoenix WinNonlin软件(美国Pharsight公司)计算药代参数。
各参数定义:
IV:静脉注射;PO:口服;C 0:静脉注射后瞬时的需要浓度;C max:给药后出现的血药浓度最高值;T max:给药后达到药峰浓度所需的时间;T 1/2:血药浓度下降一半所需的时间;V dss:表观分布容积,指药物在体内达到动态平衡时体内药量与血药浓度的比例常数。Cl:清除率,指单位时间从体内清除的药物表观分布容积数;T last:最后一个检测点的时间;AUC 0-last:药时曲线下面积,指血药浓度曲线对时间轴所包围的面积;F:药物被吸收进入血液循环的速度和程度的一种量度,是评价药物吸收程度的重要指标。
测试结果:
实验结果见表2。
表2 化合物血浆中的盒式PK测试结果
Figure PCTCN2020131275-appb-000103
Figure PCTCN2020131275-appb-000104
ND:未检测
“--”是指未测试或未获得数据。
结论:本发明化合物展现了较长的半衰期、较低的清除率和较高的药物暴露量,具有较优的体内药物代谢动力学性质。
实验例3:小鼠药代动力学评价(二)
实验方法:
受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水混合,涡旋并超声,制备得到0.4mg/mL(化合物5)近似澄清溶液,微孔滤膜过滤后备用。选取18至20克的Balb/c雄性小鼠,静脉注射给予候选化合物溶液,剂量为2mg/kg。受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水混合,涡旋并超声,制备得到1mg/mL近似澄清溶液,微孔滤膜过滤后备用。选取18至20克的Balb/c雄性小鼠,口服给予候选化合物溶液,剂量10mg/kg。收集一定时间的全血,制备得到血浆,以LC-MS/MS方法分析药物浓度,并用Phoenix WinNonlin软件(美国Pharsight公司)计算药代参数。
测试结果:
实验结果见表3。
表3 化合物血浆中的PK测试结果
Figure PCTCN2020131275-appb-000105
“--”是指未测试或未获得数据。
结论:本发明化合物展现了较长的半衰期、较低的清除率和较高的药物暴露量,具有较优的体内药物代谢动力学性质。
实验例4:大鼠药代动力学及脑部暴露量评价
实验方法:
受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水混合,涡旋并超声,制备得到0.5mg/mL(化合物5)或1mg/mL(化合物17)近似澄清溶液,微孔滤膜过滤后备用。选取SD雄性大鼠,静脉注射给予候选化合物溶液,剂量为1mg/kg(化合物5)或2mg/kg(化合物17)。受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水混合,涡旋并超声,制备得到4mg/mL均一混悬液(化合物5)或1mg/mL近似澄清溶液(化合物17)。选取SD雄性大鼠,口服给予候选化合物溶液,剂量40mg/kg(化合物5)或10mg/kg(化合物17)。收集一定时间的全血,脑脊液,脑组织,制浆,以LC-MS/MS 方法分析药物浓度,并用Phoenix WinNonlin软件(美国Pharsight公司)计算药代参数。
测试结果:
实验结果见表4。
表4 化合物血浆、脑脊液,脑组织中的PK测试结果
Figure PCTCN2020131275-appb-000106
ND:未检测。
“--”是指未测试或未获得数据。
a:单位nmol/kg;b:单位h*nmol/kg。
结论:本发明化合物展现了较长的半衰期、较低的清除率和较高的药物暴露量,具有较优的体内药物代谢动力学性质,同时,该化合物具有较好的脑部暴露量。
实验例5:比格犬药代动力学评价
实验方法:
受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水混合,涡旋并超声,制备得到1mg/mL近似澄清溶液,微孔滤膜过滤后备用。选取Beagle雄性犬,静脉注射给予候选化合物溶液,剂量为1mg/kg。受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水混合,涡旋并超声,制备得到1mg/mL近似澄清溶液,微孔滤膜过滤后备用。选取Beagle雄性犬,口服给予候选化合物溶液,剂量5mg/kg。收集一定时间的全血,制备得到血浆,以LC-MS/MS方法分析药物浓度,并用Phoenix WinNonlin软件(美国Pharsight公司)计算药代参数。
测试结果:
实验结果见表5。
表5 化合物血浆中的PK测试结果
Figure PCTCN2020131275-appb-000107
Figure PCTCN2020131275-appb-000108
“--”是指未测试或未获得数据。
结论:本发明化合物展现了较长的半衰期、较低的清除率和较高的药物暴露量,具有较优的体内药物代谢动力学性质。
实验例6:食蟹猴药代动力学评价
实验方法:
受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水混合,涡旋并超声,制备得到1mg/mL近似澄清溶液,微孔滤膜过滤后备用。选取雄性食蟹猴,静脉注射给予候选化合物溶液,剂量为1mg/kg。受试化合物与10%二甲基亚砜/50%聚乙二醇200/40%水混合,涡旋并超声,制备得到1mg/mL近似澄清溶液,微孔滤膜过滤后备用。选取雄性食蟹猴,口服给予候选化合物溶液,剂量5mg/kg。收集一定时间的全血,制备得到血浆,以LC-MS/MS方法分析药物浓度,并用Phoenix WinNonlin软件(美国Pharsight公司)计算药代参数。
测试结果:
实验结果见表6。
表6 化合物血浆中的PK测试结果
Figure PCTCN2020131275-appb-000109
ND:未检测。
“--”是指未测试或未获得数据。
结论:本发明化合物展现了较长的半衰期、较低的清除率和较高的药物暴露量,以及较高的口服生物利用度,具有较优的体内药物代谢动力学性质。
实验例7:人非小细胞肺癌NCI-H1703细胞皮下异种移植肿瘤BALB/c裸小鼠模型的体内药效学研究
实验目的:研究待测化合物对人小细胞肺癌NCI-H1703细胞皮下异种移植肿瘤BALB/c裸小鼠模型的体内药效学
实验动物:雌性BALB/c裸小鼠,6~8周龄,体重18-22克;供应商:上海西普尔-必凯实验动物有限公司
实验方法与步骤:
7.1细胞培养
人非小细胞肺癌NCI-H1703细胞体外培养,RPMI1640培养基中加10%胎牛血清,100U/mL青霉素和100μg/mL链霉素,37℃5%CO 2孵箱培养。一周两次用胰酶-EDTA进行常规消化处理传代。当细胞饱和度为80%-90%,数量到达要求时,收取细胞,计数,接种。
7.2肿瘤细胞接种(肿瘤接种)
将0.2ml(5×10 6个)NCI-H1703细胞(加基质胶,体积比为1:1)皮下接种于每只小鼠的右后背,肿瘤平均体积达到约130mm 3时开始分组给药。
7.3受试物的配制:
化合物5配制成3mg/mL,6mg/mL,9mg/mL的混悬溶液,化合物17配制成9mg/mL的混悬液,溶媒为0.5%HPMC+1%Tween 80。
7.4肿瘤测量和实验指标
每周两次用游标卡尺测量肿瘤直径。肿瘤体积的计算公式为:V=0.5a×b 2,a和b分别表示肿瘤的长径和短径。
化合物的抑瘤疗效用TGI(%)或相对肿瘤增殖率T/C(%)评价。相对肿瘤增殖率T/C(%)=T RTV/C RTV×100%(T RTV:治疗组RTV平均值;C RTV:阴性对照组RTV平均值)。根据肿瘤测量的结果计算出相对肿瘤体积(RTV),计算公式为RTV=V t/V 0,其中V 0是分组给药时(即第0天)测量所得肿瘤体积,V t为某一次测量时的肿瘤体积,T RTV与C RTV取同一天数据。
TGI(%),反映肿瘤生长抑制率。TGI(%)=[1-(某处理组给药结束时平均瘤体积-该处理组开始给药时平均瘤体积)/(溶剂对照组治疗结束时平均瘤体积-溶剂对照组开始治疗时平均瘤体积)]×100%。在实验结束后将检测肿瘤重量,并计算T/重量百分比,T重量和C重量分别表示给药组和溶媒对照组的瘤重。
7.5统计分析
统计分析基于试验结束时RTV的数据运用SPSS软件进行分析。治疗组在试验结束时给药后第21天表现出最好的治疗效果,因此基于此数据进行统计学分析评估组间差异。两组间比较用T-test进行分析,三组或多组间比较用one-way ANOVA进行分析,如果方差齐(F值无显著性差异),应用Tukey‘s法进行分析;如果方差不齐(F值有显著性差异),应用Games-Howell法进行检验。p<0.05认为有显著性差异。
7.6实验结论和讨论
在本实验中,化合物5在60mg/kg和90mg/kg剂量下(一天两次给药),化合物17在90mg/kg剂量下(一天两次给药),与空白对照相比具有显著抑瘤作用。化合物5在30mg/kg剂量下(一天两次给药)具有一定的抑瘤作用。化合物5的疗效均现剂量依赖性,实验结果见表7。第21天肿瘤重量和肿瘤照片结果见表8和图1。
表7 化合物对人肺癌NCI-H1703异种移植瘤模型的抑瘤效果
Figure PCTCN2020131275-appb-000110
Figure PCTCN2020131275-appb-000111
注:a.平均值±SEM,n=9(化合物5)或n=6(化合物17)。
b.肿瘤生长抑制由T/C和TGI(TGI(%)=[1-(T 21-T 0)/(V 21-V 0)]×100)计算。
c.p值运用one-way ANOVA进行分析肿瘤体积相对值(RTV)所得。
表8 各实验组肿瘤重量及照片
Figure PCTCN2020131275-appb-000112
注:a.平均值±SEM,n=9(化合物5)或n=6(化合物17)。
b.肿瘤生长抑制由T/C weight=TW treatment/TW 溶媒计算。
c.p值运用one-way ANOVA与溶媒治疗组进行分析肿瘤重量所得,F值有显著性差异,应用Games-Howell法进行分析。
结论:在本实验中,化合物5在60mg/kg和90mg/kg剂量下,化合物17在90mg/kg剂量下,与对照组相比具有显著的抑瘤作用,且化合物5的疗效呈现剂量依赖性。在本实验中,荷瘤鼠对化合物均显示出良好的耐受性,所有治疗组无明显体重下降。

Claims (14)

  1. 本发明提供了式(IV)所示化合物或其药学上可接受的盐,
    Figure PCTCN2020131275-appb-100001
    其中,
    结构单元
    Figure PCTCN2020131275-appb-100002
    选自
    Figure PCTCN2020131275-appb-100003
    E 1选自单键、-O-和-C(R 6R 7)-;
    R 1、R 2、R 3、R 4、R’和R”各自独立地选自H、F和Cl;
    或者R 1与R 2连接在一起使结构单元
    Figure PCTCN2020131275-appb-100004
    选自
    Figure PCTCN2020131275-appb-100005
    或者R 3与R 4连接在一起使结构单元
    Figure PCTCN2020131275-appb-100006
    选自
    Figure PCTCN2020131275-appb-100007
    或者R 1与R 4连接在一起使结构单元
    Figure PCTCN2020131275-appb-100008
    选自
    Figure PCTCN2020131275-appb-100009
    或者R 2、R”与它们共同连接的碳原子一起形成C 3-5环烷基;
    R 5选自F、Cl、Br、I、环丙基和C 1-3烷基,所述C 1-3烷基任选被OH或1、2或3个R a取代;
    R 6和R 7各自独立地选自H、F、Cl、Br、I和CN;
    或者R 6、R 7与它们共同连接的碳原子一起形成环丙基或4元氧杂环丁基;
    环A选自C 3-5环烷基;
    Y 1选自环丙基和C 1-3烷基,所述C 1-3烷基任选被1、2、3、4或5个F取代;
    R a选自H、F、Cl、Br和I。
  2. 根据权利要求1所述化合物或其药学上可接受的盐,其式(IV)所示化合物或其药学上可接受的盐选自式(III)所示化合物或其药学上可接受的盐,
    Figure PCTCN2020131275-appb-100010
    其中,W、E 1、R 1、R 2、R 3、R 4、R 5、R’和R”如权利要求1所定义。
  3. 根据权利要求1或2所述化合物或其药学上可接受的盐,其化合物选自
    Figure PCTCN2020131275-appb-100011
    其中,环B选自C 3-5环烷基;
    环C为环丙基或4元氧杂环丁基;
    n选自0和1;
    环A、R 1、R 2、R 3、R 4、R 5、R 6和R 7如权利要求1所定义。
  4. 根据权利要求1-3任意一项所述化合物或其药学上可接受的盐,其中,R 1与R 2连接在一起使结构单元
    Figure PCTCN2020131275-appb-100012
    选自
    Figure PCTCN2020131275-appb-100013
  5. 根据权利要求1-3任意一项所述化合物或其药学上可接受的盐,其中,R 3与R 4连接在一起使结构单元
    Figure PCTCN2020131275-appb-100014
    选自
    Figure PCTCN2020131275-appb-100015
  6. 根据权利要求1-3任意一项所述化合物或其药学上可接受的盐,其中,R 1与R 4连接在一起使结构单元
    Figure PCTCN2020131275-appb-100016
    选自
    Figure PCTCN2020131275-appb-100017
  7. 根据权利要求1-3任意一项所述化合物或其药学上可接受的盐,其中,环A选自
    Figure PCTCN2020131275-appb-100018
  8. 根据权利要求1-3任意一项所述化合物或其药学上可接受的盐,其中,R 6、R 7与它们共同连接的碳原子一起形成
    Figure PCTCN2020131275-appb-100019
  9. 根据权利要求1-3任意一项所述化合物或其药学上可接受的盐,其中,R 2、R”与它们共同连接的碳原子一起形成
    Figure PCTCN2020131275-appb-100020
  10. 根据权利要求1-9任意一项所述化合物或其药学上可接受的盐,其中,R 5选自F、Cl、CH 2OH、CF 3和CH 3
  11. 下式化合物或其药学上可接受的盐
    Figure PCTCN2020131275-appb-100021
  12. 根据权利要求1-11任意一项所述的化合物或其药学上可接受的盐在制备DNA-PK抑制剂相关药物上的应用。
  13. 根据权利要求12所述的应用,其中,所述DNA-PK抑制剂相关药物作为单一药物在具有其他DNA修复途径缺陷时的肿瘤中发挥治疗效果。
  14. 根据权利要求12所述的应用,其中,所述DNA-PK抑制剂相关药物通过与放化疗药物联用,增强对实体瘤和血液瘤的抑制作用。
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