WO2024094208A1 - 含氰基取代的杂环类衍生物及其制备方法 - Google Patents
含氰基取代的杂环类衍生物及其制备方法 Download PDFInfo
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- WO2024094208A1 WO2024094208A1 PCT/CN2023/129841 CN2023129841W WO2024094208A1 WO 2024094208 A1 WO2024094208 A1 WO 2024094208A1 CN 2023129841 W CN2023129841 W CN 2023129841W WO 2024094208 A1 WO2024094208 A1 WO 2024094208A1
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- CSJLBAMHHLJAAS-UHFFFAOYSA-N diethylaminosulfur trifluoride Substances CCN(CC)S(F)(F)F CSJLBAMHHLJAAS-UHFFFAOYSA-N 0.000 description 1
- 125000000532 dioxanyl group Chemical group 0.000 description 1
- 125000005883 dithianyl group Chemical group 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 231100000673 dose–response relationship Toxicity 0.000 description 1
- 229920002549 elastin Polymers 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 1
- 238000003818 flash chromatography Methods 0.000 description 1
- 238000001917 fluorescence detection Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 238000003304 gavage Methods 0.000 description 1
- 238000000589 high-performance liquid chromatography-mass spectrometry Methods 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 125000002632 imidazolidinyl group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000027866 inflammatory disease Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229940044173 iodine-125 Drugs 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 229960002725 isoflurane Drugs 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000004628 isothiazolidinyl group Chemical group S1N(CCC1)* 0.000 description 1
- 230000000155 isotopic effect Effects 0.000 description 1
- 125000003965 isoxazolidinyl group Chemical group 0.000 description 1
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000002132 lysosomal effect Effects 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- UYVXZUTYZGILQG-UHFFFAOYSA-N methoxyboronic acid Chemical compound COB(O)O UYVXZUTYZGILQG-UHFFFAOYSA-N 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 125000004572 morpholin-3-yl group Chemical group N1C(COCC1)* 0.000 description 1
- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 description 1
- 125000002757 morpholinyl group Chemical group 0.000 description 1
- 201000006417 multiple sclerosis Diseases 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000010534 nucleophilic substitution reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003305 oral gavage Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 125000003566 oxetanyl group Chemical group 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000009522 phase III clinical trial Methods 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 125000000587 piperidin-1-yl group Chemical group [H]C1([H])N(*)C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000004483 piperidin-3-yl group Chemical group N1CC(CCC1)* 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- MHZDONKZSXBOGL-UHFFFAOYSA-N propyl dihydrogen phosphate Chemical compound CCCOP(O)(O)=O MHZDONKZSXBOGL-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000019833 protease Nutrition 0.000 description 1
- 238000013094 purity test Methods 0.000 description 1
- 125000003072 pyrazolidinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 238000004007 reversed phase HPLC Methods 0.000 description 1
- 206010039073 rheumatoid arthritis Diseases 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 238000012453 sprague-dawley rat model Methods 0.000 description 1
- 238000012430 stability testing Methods 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000004192 tetrahydrofuran-2-yl group Chemical group [H]C1([H])OC([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000003507 tetrahydrothiofenyl group Chemical group 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 125000002053 thietanyl group Chemical group 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- YSHOWEKUVWPFNR-UHFFFAOYSA-O triethyl(methoxycarbonylsulfamoyl)azanium Chemical compound CC[N+](CC)(CC)S(=O)(=O)NC(=O)OC YSHOWEKUVWPFNR-UHFFFAOYSA-O 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 0.000 description 1
- MWKJTNBSKNUMFN-UHFFFAOYSA-N trifluoromethyltrimethylsilane Chemical compound C[Si](C)(C)C(F)(F)F MWKJTNBSKNUMFN-UHFFFAOYSA-N 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5386—1,4-Oxazines, e.g. morpholine spiro-condensed or forming part of bridged ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/06—Antiasthmatics
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
- C07D491/20—Spiro-condensed systems
Definitions
- the present invention relates to a series of heterocyclic derivatives containing cyano substitution and preparation methods thereof, and specifically to compounds represented by formula (IV) and pharmaceutically acceptable salts thereof.
- DPP1 Dipeptidyl peptidase 1
- cathepsin C Dipeptidyl peptidase 1
- DPP1 is a type of lysosomal cysteine protease that is highly expressed in tissues such as the lung, kidney, liver, and spleen.
- DPP1 is composed of four identical subunits that form a tetramer, each of which is composed of a heavy chain, a light chain, and an exclusive domain.
- the main physiological function of DPP1 is to activate proinflammatory neutrophil serine proteases (NSPs) in the bone marrow by cutting off the N-terminal dipeptide.
- NSPs include neutrophil elastase (NE), proteinase 3 (Pr3), and cathepsin G (CatG).
- NSPs are closely related to inflammation regulation, can activate a variety of cytokines, and play an important role in the elimination of pathogenic microorganisms.
- COPD chronic obstructive pulmonary disease
- bronchiectasis there is a persistent inflammatory response and excessive activation of NSPs in the airways, which degrades lung elastin and other components, further causing lung tissue damage and bronchial wall tissue destruction.
- DPP1 inhibitors can inhibit the activation of pro-inflammatory neutrophil proteases from the root, thereby inhibiting the inflammatory response and airway damage caused by neutrophils in the airways.
- cathepsin C inhibitors can potentially be used to treat the following diseases: neutrophil-dominated inflammatory diseases such as rheumatoid arthritis, chronic obstructive pulmonary disease (COPD), emphysema, asthma, multiple sclerosis and cystic fibrosis.
- neutrophil-dominated inflammatory diseases such as rheumatoid arthritis, chronic obstructive pulmonary disease (COPD), emphysema, asthma, multiple sclerosis and cystic fibrosis.
- COPD chronic obstructive pulmonary disease
- emphysema chronic obstructive pulmonary disease
- asthma multiple sclerosis
- cystic fibrosis cystic fibrosis
- DPP1 inhibitors There are no drugs on the market for DPP1 inhibitors. The one with the fastest clinical progress is Brenocatib (INS1007, also known as AZD7986). Its Phase II clinical trial for bronchiectasis has reached the primary endpoint and is currently undergoing Phase III clinical trials. In addition, Phase II clinical trials for AZD7986 for the treatment of chronic obstructive pulmonary disease are ongoing. Therefore, DPP1 inhibitors with high inhibitory activity and low toxicity are still an unmet clinical need.
- INS1007 also known as AZD7986
- the present invention provides a compound of formula (IV), a stereoisomer thereof or a pharmaceutically acceptable salt thereof,
- T is selected from CH and N;
- T1 is selected from CH and N;
- Ring A is selected from
- Ring B is selected from 3-8 membered heterocycloalkyl
- each R 1 is independently selected from H, D, F, Cl, Br, I, -OH, -NH 2 , -CN and C 1-3 alkyl, wherein the C 1-3 alkyl is optionally substituted with 1, 2 or 3 R a ;
- two R 1 together with the atoms to which they are attached form a C 3-6 cycloalkyl group, wherein the C 3-6 cycloalkyl group is optionally substituted with 1, 2 or 3 R b ;
- R 2 is selected from H, D, F, Cl, Br, I, -OH, -NH 2 , -CN and C 1-3 alkyl, wherein the C 1-3 alkyl is optionally substituted with 1, 2 or 3 R c ;
- R 3 is selected from H, D, F, Cl, Br, I, -OH, -NH 2 , -CN and C 1-3 alkyl, wherein the C 1-3 alkyl is optionally substituted with 1, 2 or 3 R d ;
- n is selected from 0, 1, 2, 3 and 4;
- n is selected from 0, 1, 2, 3 and 4.
- the present invention provides a compound of formula (I), a stereoisomer thereof or a pharmaceutically acceptable salt thereof,
- T2 is selected from CH and N;
- Ring B is selected from 3-8 membered heterocycloalkyl
- R 1 is independently selected from H, D, F, Cl, Br, I, -OH, -NH 2 , -CN and C 1-3 alkyl, wherein the C 1-3 alkyl is optionally substituted by 1, 2 or 3 R a ;
- two R 1 together with the atoms to which they are attached form a C 3-6 cycloalkyl group, wherein the C 3-6 cycloalkyl group is optionally substituted with 1, 2 or 3 R b ;
- R 2 and R 3 are independently selected from H, D, F, Cl, Br, I, -OH, -NH 2 , -CN and C 1-3 alkyl, wherein the C 1-3 alkyl is optionally substituted with 1, 2 or 3 R c ;
- R 4 is independently selected from H, D, F, Cl, Br, I, -OH, -NH 2 , -CN and C 1-3 alkyl, wherein the C 1-3 alkyl is optionally substituted with 1, 2 or 3 R d ;
- R 5 is independently selected from 3-8 membered heterocycloalkyl, wherein the 3-8 membered heterocycloalkyl is independently optionally substituted by 1, 2 or 3 R e ;
- Each R c is independently selected from D, F, Cl, Br, I, -OH, -NH 2 , -CN and C 1-3 alkyl;
- n, p, s and t are independently selected from 0, 1, 2, 3 and 4;
- hetero in the 3-8 membered heterocycloalkyl group represents 1, 2, 3 or 4 heteroatoms or heteroatom groups independently selected from O, S and N.
- the present invention provides a compound represented by formula (I-1), a stereoisomer thereof or a pharmaceutically acceptable salt thereof,
- Carbon atoms marked with “#” and “*” are chiral carbon atoms, existing in the form of (R) or (S) single enantiomer or in the form enriched in one enantiomer.
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- Carbon atoms marked with “#” and “*” are chiral carbon atoms, existing in the form of (R) or (S) single enantiomer or in the form enriched in one enantiomer.
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- T is selected from N, and other variables are as defined in the present invention.
- the above T is selected from CH, and other variables are as defined in the present invention.
- T1 is selected from N, and other variables are as defined in the present invention.
- T1 is selected from CH, and other variables are as defined in the present invention.
- T 2 is selected from N, and other variables are as defined in the present invention.
- the above m, s and t are independently selected from 0, and other variables are as defined in the present invention.
- the above p is selected from 1, and other variables are as defined in the present invention.
- each R d is independently selected from F, and other variables are as defined in the present invention.
- each Re is independently selected from -OH, and other variables are as defined in the present invention.
- R 2 is selected from H and F, and other variables are as defined in the present invention.
- R 3 is selected from H, D, F, Cl, -CN and -CH 3 , wherein the -CH 3 is optionally substituted by 1, 2 or 3 R d , and other variables are as defined in the present invention.
- R 3 is selected from H, F, Cl, -CN, -CH 3 , -CH 2 F, -CHF 2 and -CF 3 , and other variables are as defined in the present invention.
- R 3 is selected from H, F, Cl, -CN, -CH 3 , -CHF 2 and -CF 3 , and other variables are as defined in the present invention.
- R 5 is selected from Other variables are as defined in the present invention.
- the above-mentioned ring B is selected from piperazinyl, piperidinyl, piperazin-2-one, 3,8-diazabicyclo[3.2.1]octanyl, 2,6-diazaspiro[3.3]heptyl, 2,5-diazabicyclo[2.2.2]octanyl, 3,6-diazabicyclo[3.1.1]heptyl, 2,5-diazabicyclo[2.2.1]heptyl, and other variables are as defined in the present invention.
- the ring B is selected from piperazinyl, piperazin-2-one, 3,8-diazabicyclo[3.2.1]octanyl, 2,6-diazaspiro[3.3]heptyl, 2,5-diazabicyclo[2.2.2]octanyl, 3,6-diazabicyclo[3.1.1]heptyl and 2,5-diazabicyclo[2.2.1]heptyl, and other variables are as defined in the present invention.
- the ring B is selected from piperazinyl, 3,8-diazabicyclo[3.2.1]octanyl, 2,6-diazaspiro[3.3]heptyl and 2,5-diazabicyclo[2.2.2]octanyl, and other variables are as defined in the present invention.
- the structural unit Selected from R 4 , R 5 , t and other variables are as defined herein.
- the above structural unit Selected from R 4 , R 5 , t and other variables are as defined herein.
- the structural unit Selected from R 4 , R 5 , t and other variables are as defined herein.
- the structural unit Selected from R 5 , t and other variables are as defined herein.
- the structural unit Selected from Other variables are as defined in the present invention.
- the structural unit Selected from Other variables are as defined in the present invention.
- the structural unit Selected from Other variables are as defined in the present invention.
- the structural unit Selected from Other variables are as defined in the present invention.
- the structural unit Selected from Other variables are as defined in the present invention.
- the structural unit Selected from Other variables are as defined in the present invention.
- the above Selected from Other variables are as defined in the present invention.
- the above m is selected from 0, and other variables are as defined in the present invention.
- n is selected from 1, and other variables are as defined in the present invention.
- the above compound has a structure shown in formula (I-2):
- the above compound has a structure shown in formula (I'-2):
- Carbon atoms marked with “#” and “*” are chiral carbon atoms, existing in the form of (R) or (S) single enantiomer or in the form enriched in one enantiomer.
- the above compound has a structure shown in formula (I-3) or (I-4):
- the above compound has a structure shown in formula (I'-3) or (I'-4):
- Carbon atoms marked with “#” and “*” are chiral carbon atoms, existing in the form of (R) or (S) single enantiomer or in the form enriched in one enantiomer.
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- T, T 1 , R 2 , R 3 , R 4 and ring B are as defined for the compound of formula (IV) of the present invention.
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- T, T 1 , R 2 , R 3 , R 4 and ring B are as defined for the compound of formula (IV) of the present invention.
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- n, T, T 1 , R 2 , R 3 and R 4 are as defined for the compound of formula (IV) of the present invention.
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- n, T, T 1 , R 2 , R 3 and R 4 are as defined for the compound of formula (IV) of the present invention.
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- R 2 , R 3 and R 4 are as defined for the compound of formula (IV) of the present invention.
- the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt is selected from:
- R 2 , R 3 and R 4 are as defined for the compound of formula (IV) of the present invention.
- the present invention also provides a compound of the following formula, a stereoisomer thereof or a pharmaceutically acceptable salt thereof,
- the present invention also provides a compound of the following formula, a stereoisomer thereof or a pharmaceutically acceptable salt thereof,
- the present invention also provides the use of the above compound, its stereoisomer or its pharmaceutically acceptable salt in the preparation of drugs for treating diseases related to DPP1 inhibition.
- the present invention provides a crystalline form A of compound 12, characterized in that its X-ray powder diffraction pattern has characteristic diffraction peaks at the following 2 ⁇ angles: 10.30 ⁇ 0.20°, 15.42 ⁇ 0.20°, 19.33 ⁇ 0.20° and 22.94 ⁇ 0.20°;
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 10.30 ⁇ 0.20°, 15.42 ⁇ 0.20°, 17.53 ⁇ 0.20°, 19.33 ⁇ 0.20°, 21.36 ⁇ 0.20° and 22.94 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 10.30 ⁇ 0.20°, 11.56 ⁇ 0.20°, 15.42 ⁇ 0.20°, 17.53 ⁇ 0.20°, 19.33 ⁇ 0.20°, 21.36 ⁇ 0.20°, 22.94 ⁇ 0.20° and 24.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A contains at least 4, 5, 6, 7 or 8 characteristic diffraction peaks selected from the following: 10.30 ⁇ 0.20°, 11.56 ⁇ 0.20°, 15.42 ⁇ 0.20°, 17.53 ⁇ 0.20°, 19.33 ⁇ 0.20°, 21.36 ⁇ 0.20°, 22.94 ⁇ 0.20° and 24.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 10.30 ⁇ 0.20°, 11.56 ⁇ 0.20°, 15.42 ⁇ 0.20°, 16.51 ⁇ 0.20°, 17.53 ⁇ 0.20°, 19.33 ⁇ 0.20°, 20.49 ⁇ 0.20°, 20.84 ⁇ 0.20°, 21.36 ⁇ 0.20°, 22.94 ⁇ 0.20° and 24.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 10.30 ⁇ 0.10°, 11.56 ⁇ 0.10°, 15.42 ⁇ 0.10°, 16.51 ⁇ 0.10°, 17.53 ⁇ 0.10°, 19.33 ⁇ 0.10°, 20.49 ⁇ 0.10°, 20.84 ⁇ 0.10°, 21.36 ⁇ 0.10°, 22.94 ⁇ 0.10° and 24.95 ⁇ 0.10°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A contains at least 4, 5, 6, 7, 8, 9, 10 or 11 characteristic diffraction peaks selected from the following: 10.30 ⁇ 0.20°, 11.56 ⁇ 0.20°, 15.42 ⁇ 0.20°, 16.51 ⁇ 0.20°, 17.53 ⁇ 0.20°, 19.33 ⁇ 0.20°, 20.49 ⁇ 0.20°, 20.84 ⁇ 0.20°, 21.36 ⁇ 0.20°, 22.94 ⁇ 0.20° and 24.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A contains at least 4, 5, 6, 7, 8, 9, 10 or 11 characteristic diffraction peaks selected from the following: 10.30 ⁇ 0.10°, 11.56 ⁇ 0.10°, 15.42 ⁇ 0.10°, 16.51 ⁇ 0.10°, 17.53 ⁇ 0.10°, 19.33 ⁇ 0.10°, 20.49 ⁇ 0.10°, 20.84 ⁇ 0.10°, 21.36 ⁇ 0.10°, 22.94 ⁇ 0.10° and 24.95 ⁇ 0.10°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 7.66 ⁇ 0.20°, 10.30 ⁇ 0.20°, 11.56 ⁇ 0.20°, 12.83 ⁇ 0.20°, 15.42 ⁇ 0.20°, 15.99 ⁇ 0.20°, 16.51 ⁇ 0.20°, 16.92 ⁇ 0.20°, 17.53 ⁇ 0.20°, 18.45 ⁇ 0.20°, 19.33 ⁇ 0.20° °, 20.49 ⁇ 0.20°, 20.84 ⁇ 0.20°, 21.36 ⁇ 0.20°, 22.94 ⁇ 0.20°, 24.95 ⁇ 0.20°, 26.14 ⁇ 0.20°, 26.59 ⁇ 0.20°, 27.08 ⁇ 0.20°, 27.98 ⁇ 0.20°, 28.94 ⁇ 0.20°, 29.47 ⁇ 0.20°, 30.38 ⁇ 0.20°, 31.11 ⁇ 0.20° and 36.21 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 7.66 ⁇ 0.10°, 10.30 ⁇ 0.10°, 11.56 ⁇ 0.10°, 12.83 ⁇ 0.10°, 15.42 ⁇ 0.10°, 15.99 ⁇ 0.10°, 16.51 ⁇ 0.10°, 16.92 ⁇ 0.10°, 17.53 ⁇ 0.10°, 18.45 ⁇ 0.10°, 19.33 ⁇ 0.10° °, 20.49 ⁇ 0.10°, 20.84 ⁇ 0.10°, 21.36 ⁇ 0.10°, 22.94 ⁇ 0.10°, 24.95 ⁇ 0.10°, 26.14 ⁇ 0.10°, 26.59 ⁇ 0.10°, 27.08 ⁇ 0.10°, 27.98 ⁇ 0.10°, 28.94 ⁇ 0.10°, 29.47 ⁇ 0.10°, 30.38 ⁇ 0.10°, 31.11 ⁇ 0.10° and 36.21 ⁇ 0.10°.
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 10.30 ⁇ 0.20°, 15.42 ⁇ 0.20°, 19.33 ⁇ 0.20°, and can also be 7.66 ⁇ 0.20°, and/or 11.56 ⁇ 0.20°, and/or 12.83 ⁇ 0.20°, and/or 15.99 ⁇ 0.20°, and/or 16.51 ⁇ 0.20°, and/or 16.92 ⁇ 0.20°, and/or 17.53 ⁇ 0.20°, and/or 18.45 ⁇ 0.20°, and/or 20.4 9 ⁇ 0.20°, and/or 20.84 ⁇ 0.20°, and/or 21.36 ⁇ 0.20°, and/or 22.94 ⁇ 0.20°, and/or 24.95 ⁇ 0.20°, and/or 26.14 ⁇ 0.20°, and/or 26.59 ⁇ 0.20°, and/or 27.08 ⁇ 0.20°, and/or 27.98 ⁇ 0.20°, and/or 28.94 ⁇ 0.2
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 10.30 ⁇ 0.10°, 15.42 ⁇ 0.10°, 19.33 ⁇ 0.10°, and can also be 7.66 ⁇ 0.10°, and/or 11.56 ⁇ 0.10°, and/or 12.83 ⁇ 0.10°, and/or 15.99 ⁇ 0.10°, and/or 16.51 ⁇ 0.10°, and/or 16.92 ⁇ 0.10°, and/or 17.53 ⁇ 0.10°, and/or 18.45 ⁇ 0.10°, and/or 20.4 9 ⁇ 0.10°, and/or 20.84 ⁇ 0.10°, and/or 21.36 ⁇ 0.10°, and/or 22.94 ⁇ 0.10°, and/or 24.95 ⁇ 0.10°, and/or 26.14 ⁇ 0.10°, and/or 26.59 ⁇ 0.10°, and/or 27.08 ⁇ 0.10°, and/or 27.98 ⁇ 0.10°, and/or 28.94 ⁇ 0.1
- the X-ray powder diffraction pattern of the above-mentioned crystal form A has characteristic diffraction peaks at the following 2 ⁇ angles: 7.66°, 10.30°, 11.56°, 12.83°, 15.42°, 15.99°, 16.51°, 16.92°, 17.53°, 18.45°, 19.33°, 20.49°, 20.84°, 21.36°, 22.94°, 24.95°, 26.14°, 26.59°, 27.08°, 27.98°, 28.94°, 29.47°, 30.38°, 31.11° and 36.21°.
- the XRPD spectrum of the above-mentioned Form A is basically as shown in Figure 6.
- the XRPD spectrum analysis data of the above-mentioned Form A is shown in Table 1.
- the differential scanning calorimetry curve of the above-mentioned crystal form A has an endothermic peak at 166.33 ⁇ 3°C.
- the differential scanning calorimetry curve of the above-mentioned Form A has endothermic peaks at 56.11 ⁇ 3°C and 166.33 ⁇ 3°C.
- the DSC spectrum of the above-mentioned crystal form A is basically as shown in Figure 7.
- thermogravimetric analysis curve of the above-mentioned crystal form A shows a weight loss of 1.408% at 90 ⁇ 3°C.
- the TGA spectrum of the above-mentioned A crystal form is basically as shown in Figure 8.
- the DVS isotherm spectrum of the above-mentioned crystal form A is basically as shown in Figure 9.
- the present invention also provides a method for preparing the A crystal form of compound 12:
- the present invention also provides a crystal form B of compound 12, characterized in that its X-ray powder diffraction pattern has characteristic diffraction peaks at the following 2 ⁇ angles: 18.86 ⁇ 0.20°, 19.83 ⁇ 0.20° and 20.36 ⁇ 0.20°;
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 17.22 ⁇ 0.20°, 18.86 ⁇ 0.20°, 19.83 ⁇ 0.20°, 20.36 ⁇ 0.20° and 29.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 11.57 ⁇ 0.20°, 12.60 ⁇ 0.20°, 14.91 ⁇ 0.20°, 17.22 ⁇ 0.20°, 18.86 ⁇ 0.20°, 19.83 ⁇ 0.20°, 20.36 ⁇ 0.20°, 26.55 ⁇ 0.20° and 29.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form, expressed by 2 ⁇ angle contains at least 4, 5, 6, 7, 8 or 9 characteristic diffraction peaks selected from the following: 11.57 ⁇ 0.20°, 12.60 ⁇ 0.20°, 14.91 ⁇ 0.20°, 17.22 ⁇ 0.20°, 18.86 ⁇ 0.20°, 19.83 ⁇ 0.20°, 20.36 ⁇ 0.20°, 26.55 ⁇ 0.20° and 29.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 11.57 ⁇ 0.20°, 12.60 ⁇ 0.20°, 14.91 ⁇ 0.20°, 15.21 ⁇ 0.20°, 17.22 ⁇ 0.20°, 17.47 ⁇ 0.20°, 18.86 ⁇ 0.20°, 19.83 ⁇ 0.20°, 20.36 ⁇ 0.20°, 26.55 ⁇ 0.20°, 27.11 ⁇ 0.20° and 29.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form, expressed by 2 ⁇ angle contains at least 4, 5, 6, 7, 8, 9, 10, 11 or 12 characteristic diffraction peaks selected from the following: 11.57 ⁇ 0.20°, 12.60 ⁇ 0.20°, 14.91 ⁇ 0.20°, 15.21 ⁇ 0.20°, 17.22 ⁇ 0.20°, 17.47 ⁇ 0.20°, 18.86 ⁇ 0.20°, 19.83 ⁇ 0.20°, 20.36 ⁇ 0.20°, 26.55 ⁇ 0.20°, 27.11 ⁇ 0.20° and 29.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 11.57 ⁇ 0.10°, 12.60 ⁇ 0.10°, 14.91 ⁇ 0.10°, 15.21 ⁇ 0.10°, 17.22 ⁇ 0.10°, 17.47 ⁇ 0.10°, 18.86 ⁇ 0.10°, 19.83 ⁇ 0.10°, 20.36 ⁇ 0.10°, 26.55 ⁇ 0.10°, 27.11 ⁇ 0.10° and 29.95 ⁇ 0.10°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form, expressed by 2 ⁇ angle comprises at least 4, 5, 6, 7, 8, 9, 10, 11 or 12 characteristic diffraction peaks selected from the following: 11.57 ⁇ 0.10°, 12.60 ⁇ 0.10°, 14.91 ⁇ 0.10°, 15.21 ⁇ 0.10°, 17.22 ⁇ 0.10°, 17.47 ⁇ 0.10°, 18.86 ⁇ 0.10°, 19.83 ⁇ 0.10°, 20.36 ⁇ 0.10°, 26.55 ⁇ 0.10°, 27.11 ⁇ 0.10° and 29.95 ⁇ 0.10°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 11.57 ⁇ 0.20°, 12.60 ⁇ 0.20°, 14.91 ⁇ 0.20°, 15.21 ⁇ 0.20°, 17.22 ⁇ 0.20°, 17.47 ⁇ 0.20°, 18.14 ⁇ 0.20°, 18.86 ⁇ 0.20°, 19.83 ⁇ 0.20°, 20.36 ⁇ 0.20°, 23.02 ⁇ 0.20°, 23.64 ⁇ 0.20°, 25.28 ⁇ 0.20°, 26.55 ⁇ 0.20°, 27.11 ⁇ 0.20° and 29.95 ⁇ 0.20°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form, expressed by 2 ⁇ angle includes at least 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16 characteristic diffraction peaks selected from the following: 11.57 ⁇ 0.20°, 12.60 ⁇ 0.20°, 14.91 ⁇ 0.20°, 15.21 ⁇ 0.20°, 17.22 ⁇ 0.20°, 18.80 ⁇ 0.20°, 19.70 ⁇ 0.20°, 20.60 ⁇ 0.20°, 21.50 ⁇ 0.20°, 22.40 ⁇ 0.20°, 23.30 ⁇ 0.20°, 24.90 ⁇ 0.20°, 25.80 ⁇ 0.20°, 26.80 ⁇ 0.20°, 27.80 ⁇ 0.20°, 28.80 ⁇ 0.20°, 29.90 ⁇ 0.20°, 30.90 ⁇ 0.20°, 31.30 ⁇ 0.20°, 32.30 ⁇ 0.20°, 33.30 ⁇ 0.20°, 34.30 ⁇ 0.20°, 35.30 ⁇ 0.20°, 36.30 ⁇ 0.20°, 37.30
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 11.57 ⁇ 0.10°, 12.60 ⁇ 0.10°, 14.91 ⁇ 0.10°, 15.21 ⁇ 0.10°, 17.22 ⁇ 0.10°, 17.47 ⁇ 0.10°, 18.14 ⁇ 0.10°, 18.86 ⁇ 0.10°, 19.83 ⁇ 0.10°, 20.36 ⁇ 0.10°, 23.02 ⁇ 0.10°, 23.64 ⁇ 0.10°, 25.28 ⁇ 0.10°, 26.55 ⁇ 0.10°, 27.11 ⁇ 0.10° and 29.95 ⁇ 0.10°.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form, expressed by 2 ⁇ angle includes at least 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16 characteristic diffraction peaks selected from the following: 11.57 ⁇ 0.10°, 12.60 ⁇ 0.10°, 14.91 ⁇ 0.10°, 15.21 ⁇ 0.10°, 17.22 ⁇ 0.10°, 18.80 ⁇ 0.10°, 19.70 ⁇ 0.10°, 20.60 ⁇ 0.10°, 21.50 ⁇ 0.10°, 22.40 ⁇ 0.10°, 23.80 ⁇ 0.10°, 24.80 ⁇ 0.10°, 25.80 ⁇ 0.10°, 26.80 ⁇ 0.10°, 27.80 ⁇ 0.10°, 28.80 ⁇ 0.10°, 29.80 ⁇ 0.10°, 30.80 ⁇ 0.10°, 31.30 ⁇ 0.10°, 32.30 ⁇ 0.10°, 33.30 ⁇ 0.10°, 34.30 ⁇ 0.10°, 35.30 ⁇ 0.10°, 36.30 ⁇ 0.10°, 37.30
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 18.86 ⁇ 0.20°, 19.83 ⁇ 0.20°, 20.36 ⁇ 0.20°, and can also be at 6.71 ⁇ 0.20°, 9.85 ⁇ 0.20°, 10.40 ⁇ 0.20°, 10.87 ⁇ 0.20°, 11.57 ⁇ 0.2 0° ⁇ 12.60 ⁇ 0.20° ⁇ 13.49 ⁇ 0.20° ⁇ 14.07 ⁇ 0.20° ⁇ 14.91 ⁇ 0.20° ⁇ 15.21 ⁇ 0.20° ⁇ 15.52 ⁇ 0.20° ⁇ 17.22 ⁇ 0.20° ⁇ 17.47 ⁇ 0.20° ⁇ 18.14 ⁇ 0.20° ⁇ 21.32 ⁇ 0.20° ⁇ 21.90 ⁇ 0.20° ⁇ 22.54 ⁇ 0.20°, 23.02 ⁇ 0.20°, 23.64 ⁇ 0.20°, 24.01 ⁇ 0.20°, 24.39 ⁇ 0.20°, 25.28 ⁇ 0.20°, 26.11 ⁇ 0.20°, 26.55
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 18.86 ⁇ 0.10°, 19.83 ⁇ 0.10°, 20.36 ⁇ 0.10°, and can also be at 6.71 ⁇ 0.10°, 9.85 ⁇ 0.10°, 10.40 ⁇ 0.10°, 10.87 ⁇ 0.10°, 11.57 ⁇ 0.10°, 12.60 ⁇ 0.10°, 13.49 ⁇ 0.10°, 14.07 ⁇ 0.10°, 14.91 ⁇ 0.10°, 15.21 ⁇ 0.10°, 15.52 ⁇ 0.10°, 17.
- the X-ray powder diffraction pattern of the above-mentioned B crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 6.71°, 9.85°, 10.40°, 10.87°, 11.57°, 12.60°, 13.49°, 14.07°, 14.91°, 15.21°, 15.52°, 17.22°, 17.47°, 18.14°, 18.86°, 19.83°, 20.36°, 21.32°, 2 1.90°, 22.54°, 23.02°, 23.64°, 24.01°, 24.39°, 25.28°, 26.11°, 26.55°, 27.11°, 27.44°, 29.35°, 29.95°, 30.56°, 32.22°, 32.54°, 33.20°, 34.27°, 34.87°, 35.41°, 35.82°, 36.38° and 37.10 ⁇ 0.10°.
- the XRPD spectrum of the above-mentioned Form B is basically as shown in Figure 10.
- the XRPD spectrum analysis data of the above-mentioned Form B is shown in Table 2.
- the differential scanning calorimetry curve of the above-mentioned Form B has endothermic peaks at 148.98 ⁇ 3°C and 171.52 ⁇ 3°C.
- the differential scanning calorimetry curve of the above-mentioned Form B has endothermic peaks at 46.02 ⁇ 3°C, 148.98 ⁇ 3°C and 171.52 ⁇ 3°C.
- the DSC spectrum of the above-mentioned B crystal form is basically as shown in Figure 11.
- thermogravimetric analysis curve of the above-mentioned B crystal form shows a weight loss of 0.420% at 65 ⁇ 3°C.
- the TGA spectrum of the above-mentioned B crystal form is basically as shown in Figure 12.
- the present invention also provides a crystal form C of compound 12, characterized in that its X-ray powder diffraction pattern has characteristic diffraction peaks at the following 2 ⁇ angles: 7.52 ⁇ 0.20°, 9.64 ⁇ 0.20°, 10.23 ⁇ 0.20°, 11.31 ⁇ 0.20°, 15.13 ⁇ 0.20°, 16.38 ⁇ 0.20°, 17.41 ⁇ 0.20°, 18.94 ⁇ 0.20°, 20.50 ⁇ 0.20°, 21.32 ⁇ 0.20°, 22.94 ⁇ 0.20°, 26.74 ⁇ 0.20° and 30.56 ⁇ 0.20°;
- the XRPD spectrum of the above-mentioned C crystal form is basically as shown in Figure 13.
- the XRPD spectrum analysis data of the above-mentioned C crystal form is shown in Table 3.
- the differential scanning calorimetry curve of the above-mentioned C crystal form has an endothermic peak at 167.97 ⁇ 3°C.
- the differential scanning calorimetry curve of the above-mentioned C crystal form has endothermic peaks at 52.99 ⁇ 3°C and 167.97 ⁇ 3°C.
- the DSC spectrum of the above-mentioned C crystal form is basically as shown in Figure 14.
- thermogravimetric analysis curve of the above-mentioned C crystal form shows a weight loss of 0.071% at 55 ⁇ 3°C.
- the TGA spectrum of the above-mentioned C crystal form is basically as shown in Figure 15.
- the present invention also provides the use of the above-mentioned compound, its stereoisomer or its pharmaceutically acceptable salt or/and the A form or/and the B form or/and the C form of compound 12 in the preparation of drugs for treating diseases related to DPP1 inhibition.
- the above-mentioned drugs for diseases related to DPP1 inhibition are selected from lung diseases.
- the above-mentioned lung disease is selected from non-cystic fibrosis bronchiectasis, chronic obstructive pulmonary disease, acute lung injury and cystic fibrosis bronchiectasis.
- the present invention also provides a method for synthesizing the above-mentioned compound, its stereoisomers or pharmaceutically acceptable salts thereof, and the synthetic route thereof is as follows:
- the compound provided by the present invention has significant inhibitory activity on DPP1 enzyme and cells; low toxicity and high safety; good pharmacokinetic properties and high bone marrow target tissue distribution, indicating that the peripheral DPP1 enzyme activity brings a lower risk of palmoplantar keratoderma-periodontal destruction syndrome (PLS); can significantly inhibit the activity of rat bone marrow neutrophil elastase, and can be used for the treatment of lung diseases such as non-cystic fibrosis bronchiectasis, chronic obstructive pulmonary disease, acute lung injury and cystic fibrosis bronchiectasis.
- the crystal form of the compound of the present invention is easy to prepare, and its physical stability and chemical stability are both good, and it has high industrial application value and economic value.
- pharmaceutically acceptable refers to those compounds, materials, compositions and/or dosage forms which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of human beings and animals without excessive toxicity, irritation, allergic response or other problems or complications, commensurate with a reasonable benefit/risk ratio.
- pharmaceutically acceptable salt refers to salts of compounds of the present invention, prepared from compounds with specific substituents discovered by the present invention and relatively non-toxic acids or bases.
- base addition salts can be obtained by contacting such compounds 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 salts or similar salts.
- acid addition salts can be obtained by contacting such compounds with a sufficient amount of acid in a pure solution or a suitable inert solvent.
- Certain specific compounds of the present invention contain basic and acidic functional groups and can be converted into either base or acid addition salts.
- salts of the present invention can be synthesized by conventional chemical methods from parent compounds containing acid radicals or bases. Generally, the preparation method of such salts is: in water or an organic solvent or a mixture of the two, these compounds in free acid or base form are reacted with a stoichiometric amount of an appropriate base or acid to prepare.
- 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, (D)-isomers, (L)-isomers, and racemic mixtures and other mixtures thereof, such as enantiomerically or diastereomerically enriched mixtures, all of which are within the scope of the present invention.
- Additional asymmetric carbon atoms may be present in substituents such as alkyl. All of these isomers and their mixtures are included in the present invention. within the range.
- enantiomer or “optical isomer” refers to stereoisomers that are mirror images of one another.
- cis-trans isomers or “geometric isomers” arises from the inability of a double bond or single bond forming a ring carbon atom to rotate freely.
- diastereomer refers to stereoisomers that have two or more chiral centers and that are not mirror images of each other.
- the key is a solid wedge. and dotted wedge key To indicate the absolute configuration of a stereocenter, use a straight solid bond. and straight dashed key To indicate the relative configuration of a stereocenter, use a wavy line Indicates a wedge-shaped solid key or dotted wedge key Or use a wavy line Represents a straight solid bond or straight dashed key
- tautomer or "tautomeric form” means that at room temperature, different functional group isomers are in dynamic equilibrium and can quickly convert to each other. If tautomerism is possible (such as in solution), a chemical equilibrium of tautomers can be achieved.
- proton tautomers also called prototropic tautomers
- Valence isomers include interconversions by the reorganization of some bonding electrons.
- keto-enol tautomerization is the interconversion between two tautomers of pentane-2,4-dione and 4-hydroxypent-3-en-2-one.
- the terms “enriched in one isomer”, “isomerically enriched”, “enriched in one enantiomer” or “enantiomerically enriched” mean that the content of one isomer or 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 greater than or equal to 96%, or greater than or equal to 97%, or greater than or equal to 98%, or greater than or equal to 99%, or greater than or equal to 99.5%, or greater than or equal to 99.6%, or greater than or equal to 99.7%, or greater than or equal to 99.8%, or greater than or equal to 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 enantiomeric 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 one enantiomer of a compound of the present invention is desired, it can be prepared by asymmetric synthesis or derivatization with a chiral auxiliary, wherein the resulting diastereomeric mixture is separated and the auxiliary group is cleaved to provide the pure desired enantiomer.
- a diastereomeric salt is formed with an appropriate optically active acid or base, and then the diastereoisomers are separated by conventional methods known in the art, and then the pure enantiomer is recovered.
- the separation of enantiomers and diastereomers is usually accomplished by using chromatography, which uses a chiral stationary phase and is optionally combined with a chemical derivatization method (for example, a carbamate is generated from an amine).
- the compounds of the present invention may contain non-natural proportions of atomic isotopes on one or more atoms constituting the compound.
- the compound may be labeled with a radioactive isotope, such as tritium ( 3H ), iodine-125 ( 125I ) or C-14 ( 14C ).
- deuterated drugs may be formed by replacing hydrogen with heavy hydrogen. The bond formed by deuterium and carbon is stronger than the bond formed by ordinary hydrogen and carbon. Compared with undeuterated drugs, deuterated drugs have the advantages of reducing toxic side effects, increasing drug stability, enhancing therapeutic effects, and extending the biological half-life of drugs. All isotopic composition changes 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 particular atom are replaced by a substituent, which may include deuterium and hydrogen variants, as long as the valence state of the particular atom is normal and the substituted compound is stable.
- oxygen it means that two hydrogen atoms are replaced.
- Oxygen substitution does not occur on aromatic groups.
- optionally substituted means that it may be substituted or not substituted, Unless otherwise specified, the type and number of substituents may be any on the basis of what is chemically achievable.
- any variable e.g., R
- its definition at each occurrence is independent.
- the group may be optionally substituted with up to two Rs, and each occurrence of R is an independent choice.
- substituents and/or variants thereof are permitted only 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.
- substituent When a substituent is vacant, it means that the substituent does not exist. For example, when X in A-X is vacant, it means that the structure is actually A. When the listed substituent does not specify which atom it is connected to the substituted group through, the substituent can be bonded through any atom of it. For example, pyridyl as a substituent can be connected to the substituted group through any carbon atom on the pyridine ring.
- linking group L When the linking group is listed without specifying its linking direction, its linking direction is arbitrary, for example,
- the connecting group L is -MW-, in which case -MW- can connect ring A and ring B in the same direction as the reading order from left to right to form You can also connect ring A and ring B in the opposite direction of the reading order from left to right to form Combinations of linkers, substituents, and/or variations thereof are permissible only 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 chemical bond connection mode is non-positional and there are H atoms at the connectable sites, when the chemical bonds are connected, the number of H atoms at the site will decrease accordingly with the number of connected chemical bonds to become a group with a corresponding valence.
- the chemical bond connecting the site to other groups can be a straight solid bond.
- the straight solid bond in -OCH 3 indicates that it is connected to other groups through the oxygen atom in the group;
- the straight dashed bond in the group indicates that the two ends of the nitrogen atom in the group are connected to other groups;
- the wavy line in the phenyl group indicates that it is connected to other groups through the carbon atoms at positions 1 and 2 in the phenyl group. It means that any connectable site on the piperidine group can be connected to other groups through one chemical bond, including at least These four connection methods, even if the H atom is drawn on -N-, Still includes For groups connected in this way, when one chemical bond is connected, the H at that site will be reduced by one and become a corresponding monovalent piperidine group.
- the substituent can form a bond with any atom on the ring.
- the substituent can form a bond with any atom. If the atom to which the substituent is attached is in a bicyclic or tricyclic ring system, it means that the substituent can form a bond with any atom in any ring of the system.
- the combination of substituents and/or variables is only valid in this combination. It is allowed only when it produces a stable compound.
- the building block It means that it can be substituted at any position on the cyclohexyl group or the cyclopentyl group.
- C 1-3 alkyl is used to represent a straight or branched saturated hydrocarbon group consisting 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 polyvalent (such as methine).
- Examples of C 1-3 alkyl groups include, but are not limited to, methyl (Me), ethyl (Et), propyl (including n-propyl and isopropyl), etc.
- C 3-6 cycloalkyl means a saturated cyclic hydrocarbon group consisting of 3 to 6 carbon atoms, which is a monocyclic and bicyclic system, and the C 3-6 cycloalkyl includes C 3-5 , C 4-5 and C 5-6 cycloalkyl, etc.; it can be monovalent, divalent or polyvalent.
- Examples of C 3-6 cycloalkyl include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, etc.
- the term "3-8 membered heterocycloalkyl" by itself or in combination with other terms refers to a saturated cyclic group consisting of 3 to 8 ring atoms, 1, 2, 3 or 4 of which are heteroatoms independently selected from O, S and N, and the rest are carbon atoms, wherein the nitrogen atom is optionally quaternized, and the nitrogen and sulfur heteroatoms may be optionally oxidized (i.e., NO and S(O) p , p is 1 or 2). It includes monocyclic and bicyclic ring systems, wherein the bicyclic ring system includes spirocyclic, paracyclic and bridged rings.
- heteroatoms may occupy the position where the heterocycloalkyl is connected to the rest of the molecule.
- the 3-8 membered heterocycloalkyl includes 3-6 membered, 3-5 membered, 4-6 membered, 5-6 membered, 4 membered, 5 membered and 6 membered heterocycloalkyl, etc.
- 3-8 membered heterocycloalkyl groups include, but are not limited to, azetidinyl, oxetanyl, thietanyl, pyrrolidinyl, pyrazolidinyl, imidazolidinyl, tetrahydrothiophenyl (including tetrahydrothiophen-2-yl and tetrahydrothiophen-3-yl, etc.), tetrahydrofuranyl (including tetrahydrofuran-2-yl, etc.), tetrahydropyranyl, piperidinyl (including 1-piperidinyl, 2-piperidinyl and 3-piperidinyl, etc.), piperazinyl (including 1-piperazinyl and 2-piperazinyl, etc.), morpholinyl (including 3-morpholinyl and 4-morpholinyl, etc.), dioxanyl, dithianyl, isoxazolidinyl, isothiazolidinyl
- leaving group refers to a functional group or atom that can be replaced by another functional group or atom through a substitution reaction (e.g., a nucleophilic substitution reaction).
- a substitution reaction e.g., a nucleophilic substitution reaction.
- representative leaving groups include trifluoromethanesulfonate; chlorine, bromine, iodine; sulfonate groups, such as mesylate, tosylate, p-brosylate, p-toluenesulfonate, etc.; acyloxy groups, such as acetoxy, trifluoroacetoxy, etc.
- protecting group includes, but is not limited to, "amino protecting group", “hydroxy protecting group” or “thiol protecting group”.
- amino protecting group refers to a protecting group suitable for preventing side reactions at the amino nitrogen position.
- Representative amino protecting groups include, but are not limited to: formyl; acyl, such as alkanoyl (such as acetyl, trichloroacetyl or trifluoroacetyl); alkoxycarbonyl, such as tert-butyloxycarbonyl (Boc); arylmethoxycarbonyl, such as benzyloxycarbonyl (Cbz) and 9-fluorenylmethoxycarbonyl (Fmoc); arylmethyl, such as benzyl (Bn), trityl (Tr), 1,1-bis-(4'-methoxyphenyl)methyl; silyl, such as trimethylsilyl (TMS) and tert-butyldi
- hydroxy protecting group refers to a protecting group suitable for preventing side reactions of the hydroxyl group.
- Representative hydroxy protecting groups include, but are not limited to, alkyl groups such as methyl, ethyl and tert-butyl; acyl groups such as alkanoyl (e.g., acetyl); arylmethyl groups such as benzyl (Bn), p-methoxybenzyl (PMB), 9-fluorenylmethyl (Fm) and diphenylmethyl (diphenylmethyl, DPM); silyl groups such as trimethylsilyl (TMS) and tert-butyldimethylsilyl (TBS), and the like.
- alkyl groups such as methyl, ethyl and tert-butyl
- acyl groups such as alkanoyl (e.g., acetyl)
- arylmethyl groups such as benzyl (Bn), p-methoxybenzyl (
- 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, embodiments formed by combining them with other chemical synthesis methods, and equivalent substitutions well known to those skilled in the art. Preferred embodiments include but are not limited to the examples of the present invention.
- the differential scanning calorimetry (DSC) of the crystal form of the present invention has experimental errors and is slightly affected by the degree of drying of the sample.
- the position and peak value of the endothermic peak may be slightly different between one machine and another and between one sample and another.
- the experimental error or difference may be less than or equal to 10°C, or less than or equal to 9°C, or less than or equal to 8°C, or less than or equal to 7°C, or less than or equal to 6°C. Or less than or equal to 5°C, or less than or equal to 4°C, or less than or equal to 3°C, or less than or equal to 2°C, or less than or equal to 1°C, so the peak position or peak value of the DSC endothermic peak cannot be regarded as absolute.
- the structure of the compound of the present invention can be confirmed by conventional methods 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 art.
- single crystal X-ray diffraction (SXRD) is used to collect diffraction intensity data of the cultured single crystal using a Bruker D8 venture diffractometer, the light source is CuK ⁇ radiation, and the scanning mode is: After scanning and collecting relevant data, the crystal structure is further analyzed using the direct method (Shelxs97) to confirm the absolute configuration.
- SXRD single crystal X-ray diffraction
- the volume used in the present invention is commercially available.
- Boc represents tert-butyloxycarbonyl
- DCM dichloromethane
- DIEA represents N,N-diisopropylethylamine
- DMF represents N,N-dimethylformamide
- MeI represents iodomethane
- PE represents petroleum ether
- EA represents ethyl acetate
- THF represents tetrahydrofuran
- EtOH represents ethanol
- MeOH represents methanol
- Boc 2 O represents di-tert-butyl dicarbonate
- NH 4 Cl represents ammonium chloride
- T 3 P represents 1-propylphosphoric acid tricyclic anhydride
- Pd/C represents palladium/carbon catalyst
- AcOH represents acetic acid
- FA represents formic acid
- ACN represents acetonitrile
- TLC represents thin layer chromatography
- HPLC represents high pressure liquid chromatography
- LCMS represents liquid chromatography-mass spectrometry.
- DMSO dimethyl sulfoxide
- DMSO-d 6 stands for deuterated dimethyl sulfoxide
- CD 3 OD stands for deuterated methanol
- CDCl 3 stands for deuterated chloroform
- D 2 O stands for deuterated water
- PK stands for pharmacokinetics
- PD stands for pharmacodynamics
- Burgess's reagent stands for methyl N-(triethylammoniumsulfonyl)carbamate.
- the differential scanning calorimeter (DSC) method of the present invention and the test parameters are shown in Table 5.
- TGA Thermogravimetric analysis
- FIG1 is a diagram showing the binding pattern of compound 1A and DPP1 protein
- FIG2 is a diagram showing the binding pattern of compound 2A and DPP1 protein
- FIG3 is a diagram showing the binding pattern of compound 3A and DPP1 protein
- FIG4 is a diagram showing the binding pattern of compound 4A and DPP1 protein
- FIG5 is a diagram showing the binding pattern of compound 5A and DPP1 protein
- FIG6 is an XRPD spectrum of Form A of Compound 12 using Cu-K ⁇ radiation
- FIG7 is a DSC spectrum of Form A of Compound 12;
- FIG8 is a TGA spectrum of Form A of Compound 12;
- FIG9 is a DVS spectrum of Form A of Compound 12;
- FIG10 is an XRPD spectrum of Form B of Compound 12 using Cu-K ⁇ radiation
- FIG11 is a DSC spectrum of Form B of Compound 12;
- FIG12 is a TGA spectrum of Form B of Compound 12;
- FIG13 is an XRPD spectrum of Form C of Compound 12 using Cu-K ⁇ radiation
- FIG14 is a DSC spectrum of Form C of Compound 12;
- FIG15 is a TGA spectrum of Form C of Compound 12;
- FIG. 16 is the result of detecting the bone marrow neutrophil elastase activity of the compounds of the present invention.
- the present invention is described in detail below by examples, but it is not intended to limit the present invention in any way.
- 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 the combination of the specific embodiments with other chemical synthesis methods, and equivalent substitutions well known to those skilled in the art, and preferred embodiments include but are not limited to the embodiments of the present invention. It will be apparent to those skilled in the art that various changes and improvements are made to the specific embodiments of the present invention without departing from the spirit and scope of the present invention.
- the molecular docking process was performed using Maestro ( The docking was performed using Glide SP[1] in version 2022-1) with default options.
- the co-crystal structure of DPP1 (PDB ID: 4CDF) was selected as the docking template.
- PDB ID: 4CDF co-crystal structure of DPP1
- the three-dimensional structure of the molecule was generated using the LigPrep module, and energy minimization was performed[3], and the small molecule conformation was searched using the ConfGen module[4].
- the Receptor Grid Generation module in Glide was used to generate the grid file required for docking, with the ligand in the crystal structure as the center of the docking box.
- the interaction type between the protein receptor and the ligand was analyzed, and then molecules with high potential were selected for synthetic testing based on the calculated docking score and binding mode.
- reaction solution was poured into 200 mL saturated ammonium chloride solution to quench the reaction (no obvious temperature rise), extracted with ethyl acetate (50 mL ⁇ 3), the organic phases were combined, washed with saturated brine (100 mL), dried with anhydrous sodium sulfate, filtered, and concentrated under reduced pressure to obtain a crude product.
- reaction temperature was controlled at -30°C, lithium diisopropylamide (2M, 19.58M) was dissolved in tetrahydrofuran (100mL) solution, and a solution of compound 3-1 (9.34g, 38.39mmol) in tetrahydrofuran (10mL) was slowly added dropwise. After stirring for 30min, a solution of compound 1-10 (5g, 38.01mmol) in tetrahydrofuran (5mL) was slowly added dropwise to the system. After the addition, the reaction temperature was raised to 25°C and stirred for 2.5hr. The reaction solution was quenched with water (150mL), and then ethyl acetate (100mL ⁇ 3) was added for extraction.
- Cuprous iodide 50.17 mg, 263.42 ⁇ mol
- anhydrous potassium fluoride (229.56 mg, 3.95 mmol)
- 1,10-phenanthroline 47.47 mg, 263.42 ⁇ mol
- compound 10-2 0.5 g, 1.32 mmol
- dimethyl sulfoxide 10 mL
- (trifluoromethyl)trimethylsilane 3.75 g, 26.34 mmol
- trimethyl borate 3.95 mmol, 446.29 ⁇ L
- the reaction solution was poured into 18% saline (60 mL), the aqueous phase was extracted with ethyl acetate (35 mL ⁇ 3), the organic phases were combined, the organic phases were washed with 5% citric acid (25 mL ⁇ 3), the aqueous phase was collected, the pH of the aqueous phase was adjusted to 8 with saturated sodium carbonate solution, extracted with ethyl acetate (35 mL ⁇ 2), the organic phases were combined, first washed with 18% saline (35 mL ⁇ 3), then washed with saturated saline (35 mL), dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure to obtain a crude product.
- the organic phase was collected and the aqueous phase was extracted with ethyl acetate (20 mL ⁇ 2). The organic phases were combined, washed with saturated brine (20 mL ⁇ 2), dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure to remove the solvent.
- reaction solution was cooled to room temperature, saturated sodium bicarbonate solution (20 mL) was added to the reaction solution, extracted with ethyl acetate (50 mL*2), the combined organic phases were washed with saturated saline solution (100 mL), dried over anhydrous sodium sulfate, filtered, and concentrated under reduced pressure.
- ⁇ W% indicates the weight gain of the test product at 25 ⁇ 1°C and 80 ⁇ 2%RH
- the DVS spectrum of the crystal form A of compound 12 is shown in FIG9 .
- the moisture absorption weight gain of the crystal form A of compound 12 at 25 ⁇ 1° C. and 80 ⁇ 2% RH is 1.633%.
- Crystal form A of compound 12 is slightly hygroscopic, and its XRPD does not change before and after the DVS experiment.
- Recombinant human cathepsin C/DPP1 was purchased from R&D Systems;
- rhCathepsin L Recombinant human cathepsin L (rhCathepsin L) was purchased from R&D Systems;
- Gly-Arg-AMC (hydrochloride) was purchased from CAYMAN CHEMICAL COMPANY.
- 1X activation buffer 5mM DTT 0.01% (V/V) Triton X-100 (prepared immediately before use);
- Dilute Gly-Arg-AMC (hydrochloride) to 25 ⁇ M with 1X assay buffer take 10 ⁇ L/well and add it to the white microplate.
- the substrate concentration is 12.5 ⁇ M.
- Centrifuge the microplate at 1000 rpm for 1 minute.
- the compound concentration ranges from 10 ⁇ M to 0.128 nM. After centrifugation, apply film to the microplate and incubate at 25°C for 60 minutes.
- fluorescence detection was performed using a multi-label analyzer with an excitation wavelength of 360 nm and an emission wavelength of 460 nm.
- the raw data were converted into enzyme activity using the equation (Sample-Min)/(Max-Min) ⁇ 100%, and the IC50 value was obtained by four-parameter curve fitting (derived using log(inhibitor) vs. response--Variable slope mode in GraphPad Prism).
- Min does not contain recombinant human cathepsin C/DPP1 and recombinant human cathepsin L (rhCathepsin L)
- U937 cells were cultured in RPMI1640 medium containing 10% FBS and 1% PS.
- the data were analyzed using the DMSO wells as negative controls and the highest concentration point of the positive compound as positive controls.
- IC50 half maximal inhibitory concentration
- Inhibition rate (%) 100 ⁇ (negative control average value - compound reading) / (negative control average value - positive control average value)
- mice C57BL/6J male mice were selected as test animals.
- the LC/MS/MS method was used to quantitatively determine the plasma drug concentrations at different time points after oral and injection administration of the test compounds to evaluate the pharmacokinetic characteristics of the test drugs in mice.
- test compound solution was administered to mice (overnight fasting, 6-8 weeks old) by oral gavage.
- 25 ⁇ L of blood was collected from the animals at 0.083, 0.25, 0.5, 1, 2, 4, 8, 12 and 24 hours after administration, and placed in a commercial anticoagulant tube pre-added with EDTA-K2.
- the plasma was centrifuged at 4°C, 3200g for 10 minutes to obtain plasma. After the plasma samples were processed, the blood drug concentration was determined by LC-MS/MS. The experimental results are shown in Table 14.
- the compound of the present invention exhibits good bioavailability, higher area under the concentration-time curve and lower clearance in the pharmacokinetics of C57BL/6J male mice.
- the test compound solution was administered to rats by gavage (overnight fasting). 25 ⁇ L of blood was collected from the animals at 0.25, 0.5, 1, 2, 4, 6 and 24 hours after administration, and placed in a commercial anticoagulant tube pre-added with EDTA-K2. The plasma was centrifuged at 4°C, 3200g for 10 minutes to obtain plasma. After the plasma samples were processed, the blood drug concentration was determined by LC-MS/MS. Some animals were killed at 0.5, 2, 6, and 24 hours, and bone marrow tissue was collected. After the bone marrow samples were processed, the bone marrow concentration was determined by LC-MS/MS.
- the compounds of the present invention showed a higher bone marrow to plasma ratio in the endpoint plasma and target tissue bone marrow concentration evaluation in rats, and had more distribution in the target tissue bone marrow, indicating that peripheral DPP1 enzyme activity brings a lower risk of palmoplantar keratoderma-periodontal destruction syndrome (PLS).
- PLS palmoplantar keratoderma-periodontal destruction syndrome
- Experimental Example 5 In vivo efficacy experiment of continuous drug administration in rats to detect the activity of bone marrow neutrophil elastase (NE) and accompanied by plasma PK analysis
- mice Male SPF Sprague-Dawley rats weighing between 200 and 300 g were used in the experiment.
- the solvent is 5% DMSO/95% (10% hydroxypropyl- ⁇ -cyclodextrin (HP- ⁇ -CD) aqueous solution ()
- the experimental animals were divided into groups for drug administration. Rats were gavaged twice a day, with an interval of 8 hours between the two administrations. The animals were weighed only once before administration at 0 hours a day. The morning body weight could be used for administration at 8 hours in the evening. The animals were gavaged continuously for 8 days. After the first administration on the 7th day, the accompanying PK samples were collected for the determination of compound concentration. The endpoint bone marrow was collected two hours after the first administration on the 9th day for the detection of bone marrow neutrophil elastase (NE) activity. The vehicle group is also called the normal group.
- NE bone marrow neutrophil elastase
- blood was collected by jugular vein puncture at 0.5, 1, 2, 4, 8 (before the second dose on day 7), 12, and 24 h (before the dose on day 8) in a cross-sampling manner. All blood samples for plasma preparation were immediately transferred to commercial centrifuge tubes containing K2-EDTA with labels. After blood sample collection, centrifuge at 4°C, 3200g for 10 minutes to draw supernatant plasma, quickly place in dry ice, and then store at -60°C or lower for LC-MS/MS analysis.
- the results of the bone marrow neutrophil elastase (NE) activity detection are shown in FIG16 .
- the compounds of the present invention can significantly reduce the NE activity of the bone marrow of healthy rats and show a certain dose correlation.
- mice SPF-grade C57 mice, 6-8 weeks old, about 18 g, female, purchased from Hangzhou Ziyuan Experimental Animal Technology Co., Ltd.
- mice were divided into groups and given medication.
- the mice were given oral administration twice a day, with an interval of 6 hours between the two administrations.
- the oral administration lasted for seven consecutive days.
- the mice were anesthetized by inhalation of isoflurane, and LPS was aerosolized in the airway at a concentration of 2 ⁇ g/ ⁇ L and 2 ⁇ L/g body weight.
- the animals were killed 4 hours after LPS aerosol administration for subsequent alveolar lavage and NE activity measurement.
- the NE activity inhibition rate was calculated according to the following formula:
- NE activity inhibition rate % (NE activity in the drug group – NE activity in the model group) / NE activity in the model group ⁇ 100%
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Abstract
本发明涉及一系列含氰基取代的杂环类衍生物及其制备方法,具体涉及式(Ⅳ)所示化合物、其立体异构体及其药学上可接受的盐。
Description
本申请主张如下优先权:
申请号:CN202211382366.0,申请日:2022年11月04日;
申请号:CN202211416812.5,申请日:2022年11月11日;
申请号:CN202211472522.2,申请日:2022年11月22日;
申请号:CN202311254779.5,申请日:2023年09月26日。
本发明涉及一系列含氰基取代的杂环类衍生物及其制备方法,具体涉及式(Ⅳ)所示化合物及其药学上可接受的盐。
二肽基肽酶1(Dipeptidyl peptidase 1,DPP1)又名组织蛋白酶C,是一类溶酶体半胱氨酸蛋白酶,在肺脏、肾脏、肝脏、脾脏等组织中高表达。DPP1由四个相同的亚基组成四聚体,每一个亚基由重链、轻链和排他结构域组成。DPP1的主要生理作用是在骨髓内通过切断N-端二肽从而活化促炎中性粒细胞丝氨酸蛋白酶(NSPs)。NSPs又包含中性粒细胞弹性蛋白酶(NE)、蛋白酶3(Pr3)和组织蛋白酶G(CatG)。NSPs与炎症调节密切相关,可活化多种细胞因子,对病原微生物清除具有重要作用。但在慢性阻塞性肺病(COPD)或支气管扩张症等疾病患者气道内大多存在持续的炎症反应和NSPs过度活化,对肺部弹性蛋白等进行降解,进一步造成肺组织损伤和支气管壁组织破坏。DPP1抑制剂可以从根源上抑制促炎中性粒细胞蛋白酶的活化,从而抑制气道内中性粒细胞引起的炎症反应和气道损伤。
因此,组织蛋白酶C抑制剂可潜在地用于治疗以下疾病:中性粒细胞支配的炎性疾病例如类风湿性关节炎、慢性阻塞性肺疾病(COPD)、肺气肿、哮喘、多发性硬化和囊性纤维化。鉴于DPP1在活化一些促炎性丝氨酸蛋白酶中的作用,所以制备抑制其活性进而抑制下游丝氨酸蛋白酶活性的化合物具有良好的临床应用前景。
DPP1抑制剂目前还没有药物上市,临床进展最快的是Brensocatib(INS1007,又名AZD7986),其用于支气管扩张症的二期临床达到主要终点,目前正在开展三期临床试验。此外,AZD7986用于慢性阻塞性肺病的治疗正在开展二期临床研究。因此抑制活性高、毒性低的DPP1抑制剂仍是一种未被满足的临床需求。
发明内容
本发明提供了式(Ⅳ)化合物、其立体异构体或其药学上可接受的盐,
T选自CH和N;
T1选自CH和N;
环A选自
环B选自3-8元杂环烷基;
各R1分别独立地选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Ra所取代;
或者,两个R1和它们连接的原子一起形成C3-6环烷基,其中所述C3-6环烷基任选被1、2或3个Rb所取代;
R2选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Rc所取代;
R3选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Rd所取代;
各R4分别独立地选自H、D、F、Cl、Br、I、=O、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Re所取代;
各Ra、Rb、Rc、Rd和Re分别独立地选自D、F、Cl、Br、I、=O、-OH、-NH2、-CN和C1-3烷基;
m选自0、1、2、3和4;
n选自0、1、2、3和4。
本发明提供了式(Ⅰ)化合物、其立体异构体或其药学上可接受的盐,
其中,
T2选自CH和N;
环B选自3-8元杂环烷基;
R1分别独立地选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Ra所取代;
或者,两个R1和它们连接的原子一起形成C3-6环烷基,其中所述C3-6环烷基任选被1、2或3个Rb所取代;
R2和R3分别独立地选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Rc所取代;
R4分别独立地选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Rd所取代;
R5分别独立地选自3-8元杂环烷基,其中所述3-8元杂环烷基分别独立地任选被1、2或3个Re所取代;
各Ra、Rb、Rd和Re分别独立地选自D、F、Cl、Br、I、=O、-OH、-NH2、-CN和C1-3烷基;
各Rc分别独立地选自D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基;
m、p、s和t分别独立地选自0、1、2、3和4;
所述3-8元杂环烷基中的“杂”表示1、2、3或4个分别独立地选自O、S和N的杂原子或杂原子团。
本发明提供了式(I-1)所示化合物、其立体异构体或其药学上可接受的盐,
其中,环B、m、p、s、t、T2、R1、R2、R3、R4和R5如本发明式(Ⅰ)化合物所定义;
带“﹟”和“*”的碳原子为手性碳原子,以(R)或(S)单一对映体形式或富含一种对映体形式存在。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,m、n、T、T1、R1、R2、R3、R4和环B如本发明式(Ⅳ)化合物所定义。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,m、n、T、T1、R1、R2、R3、R4和环B如本发明式(Ⅳ)化合物所定义;
带“﹟”和“*”的碳原子为手性碳原子,以(R)或(S)单一对映体形式或富含一种对映体形式存在。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,m、n、T、T1、R1、R2、R3、R4和环B如本发明式(Ⅳ)化合物所定义。
本发明的一些方案中,上述T选自N,其他变量如本发明所定义。
本发明的一些方案中,上述T选自CH,其他变量如本发明所定义。
本发明的一些方案中,上述T1选自N,其他变量如本发明所定义。
本发明的一些方案中,上述T1选自CH,其他变量如本发明所定义。
本发明的一些方案中,上述T2选自N,其他变量如本发明所定义。
本发明的一些方案中,上述m、s和t分别独立地选自0,其他变量如本发明所定义。
本发明的一些方案中,上述p选自1,其他变量如本发明所定义。
本发明的一些方案中,上述各Rd分别独立地选自F,其他变量如本发明所定义。
本发明的一些方案中,上述各Re分别独立地选自-OH,其他变量如本发明所定义。
本发明的一些方案中,上述R2选自H和F,其他变量如本发明所定义。
本发明的一些方案中,上述R3选自H、D、F、Cl、-CN和-CH3,其中所述-CH3任选被1、2或3个Rd所取代,其他变量如本发明所定义。
本发明的一些方案中,上述R3选自H、F、Cl、-CN、-CH3、-CH2F、-CHF2和-CF3,其他变量如本发明所定义。
本发明的一些方案中,上述R3选自H、F、Cl、-CN、-CH3、-CHF2和-CF3,其他变量如本发明所定义。
本发明的一些方案中,上述各R4分别独立地选自H、D、F、Cl、Br、=O和-CH3,其中所述-CH3任选被1、2或3个Re所取代,其他变量如本发明所定义。
本发明的一些方案中,上述各R4分别独立地选自H、D、F、Cl、Br、=O、-CH3和-CH2OH,其他变量如本发明所定义。
本发明的一些方案中,上述各R4分别独立地选自H、=O、-CH3和-CH2OH,其他变量如本发明所定义。
本发明的一些方案中,上述R5选自其他变量如本发明所定义。
本发明的一些方案中,上述环B选自哌嗪基、哌啶基、哌嗪-2-酮基、3,8-二氮杂双环[3.2.1]辛烷基、2,6-二氮杂螺[3.3]庚烷基、2,5-二氮杂双环[2.2.2]辛烷基、3,6-二氮杂双环[3.1.1]庚烷基、2,5-二氮杂双环[2.2.1]庚烷基,其他变量如本发明所定义。
本发明的一些方案中,上述环B选自哌嗪基、哌嗪-2-酮基、3,8-二氮杂双环[3.2.1]辛烷基、2,6-二氮杂螺[3.3]庚烷基、2,5-二氮杂双环[2.2.2]辛烷基、3,6-二氮杂双环[3.1.1]庚烷基和2,5-二氮杂双环[2.2.1]庚烷基,其他变量如本发明所定义。
本发明的一些方案中,上述环B选自哌嗪基、3,8-二氮杂双环[3.2.1]辛烷基、2,6-二氮杂螺[3.3]庚烷基和2,5-二氮杂双环[2.2.2]辛烷基,其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
R4、R5、t及其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
R4、R5、t及其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
R4、R5、t及其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
R5、t及其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
其他变量如本发明所定义。
本发明的一些方案中,上述结构单元选自
其他变量如本发明所定义。
本发明的一些方案中,上述选自
其他变量如本发明所定义。本发明的一些方案中,上述m选自0,其他变量如本发明所定义。
本发明的一些方案中,上述n选自1,其他变量如本发明所定义。
本发明的一些方案中,上述化合物具有式(I-2)所示结构:
其中,环C、m、p、t、T2、R1、R2、R4和R5如本发明式(I)化合物所定义。
本发明的一些方案中,上述化合物具有式(I'-2)所示结构:
其中,环C、m、p、t、T2、R1、R2、R4和R5如本发明式(I)化合物所定义;
带“﹟”和“*”的碳原子为手性碳原子,以(R)或(S)单一对映体形式或富含一种对映体形式存在。
本发明的一些方案中,上述化合物具有式(I-3)或(I-4)所示结构:
其中,m、p、t、R1、R2、R4和R5如本发明式(I)化合物所定义。
本发明的一些方案中,上述化合物具有式(I'-3)或(I'-4)所示结构:
其中,m、p、t、R1、R2、R4和R5如本发明式(I)化合物所定义;
带“﹟”和“*”的碳原子为手性碳原子,以(R)或(S)单一对映体形式或富含一种对映体形式存在。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,T、T1、R2、R3、R4和环B如本发明式(Ⅳ)化合物所定义。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,T、T1、R2、R3、R4和环B如本发明式(Ⅳ)化合物所定义。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,n、T、T1、R2、R3和R4如本发明式(Ⅳ)化合物所定义。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,n、T、T1、R2、R3和R4如本发明式(Ⅳ)化合物所定义。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,R2、R3和R4如本发明式(Ⅳ)化合物所定义。
本发明的一些方案中,上述化合物、其立体异构体或其药学上可接受的盐选自:
其中,R2、R3和R4如本发明式(Ⅳ)化合物所定义。
本发明还有一些方案是由上述各变量任意组合而来。
本发明还提供了下式化合物、其立体异构体或其药学上可接受的盐,
本发明还提供了下式化合物、其立体异构体或其药学上可接受的盐,
本发明还提供了上述化合物、其立体异构体或其药学上可接受的盐在制备治疗与DPP1抑制相关疾病药物中的应用。
本发明提供了化合物12的A晶型,其特征在于,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.20°、15.42±0.20°、19.33±0.20°和22.94±0.20°;
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.20°、15.42±0.20°、17.53±0.20°、19.33±0.20°、21.36±0.20°和22.94±0.20°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.20°、11.56±0.20°、15.42±0.20°、17.53±0.20°、19.33±0.20°、21.36±0.20°、22.94±0.20°和24.95±0.20°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱中,用2θ角表示,至少包含选自下列中的4、5、6、7或8个特征衍射峰:10.30±0.20°、11.56±0.20°、15.42±0.20°、17.53±0.20°、19.33±0.20°、21.36±0.20°、22.94±0.20°和24.95±0.20°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.20°、
11.56±0.20°、15.42±0.20°、16.51±0.20°、17.53±0.20°、19.33±0.20°、20.49±0.20°、20.84±0.20°、21.36±0.20°、22.94±0.20°和24.95±0.20°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.10°、11.56±0.10°、15.42±0.10°、16.51±0.10°、17.53±0.10°、19.33±0.10°、20.49±0.10°、20.84±0.10°、21.36±0.10°、22.94±0.10°和24.95±0.10°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱中,用2θ角表示,至少包含选自下列中的4、5、6、7、8、9、10或11个特征衍射峰:10.30±0.20°、11.56±0.20°、15.42±0.20°、16.51±0.20°、17.53±0.20°、19.33±0.20°、20.49±0.20°、20.84±0.20°、21.36±0.20°、22.94±0.20°和24.95±0.20°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱中,用2θ角表示,至少包含选自下列中的4、5、6、7、8、9、10或11个特征衍射峰:10.30±0.10°、11.56±0.10°、15.42±0.10°、16.51±0.10°、17.53±0.10°、19.33±0.10°、20.49±0.10°、20.84±0.10°、21.36±0.10°、22.94±0.10°和24.95±0.10°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:7.66±0.20°、10.30±0.20°、11.56±0.20°、12.83±0.20°、15.42±0.20°、15.99±0.20°、16.51±0.20°、16.92±0.20°、17.53±0.20°、18.45±0.20°、19.33±0.20°、20.49±0.20°、20.84±0.20°、21.36±0.20°、22.94±0.20°、24.95±0.20°、26.14±0.20°、26.59±0.20°、27.08±0.20°、27.98±0.20°、28.94±0.20°、29.47±0.20°、30.38±0.20°、31.11±0.20°和36.21±0.20°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:7.66±0.10°、10.30±0.10°、11.56±0.10°、12.83±0.10°、15.42±0.10°、15.99±0.10°、16.51±0.10°、16.92±0.10°、17.53±0.10°、18.45±0.10°、19.33±0.10°、20.49±0.10°、20.84±0.10°、21.36±0.10°、22.94±0.10°、24.95±0.10°、26.14±0.10°、26.59±0.10°、27.08±0.10°、27.98±0.10°、28.94±0.10°、29.47±0.10°、30.38±0.10°、31.11±0.10°和36.21±0.10°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.20°、15.42±0.20°、19.33±0.20°,还可以在7.66±0.20°、和/或11.56±0.20°、和/或12.83±0.20°、和/或15.99±0.20°、和/或16.51±0.20°、和/或16.92±0.20°、和/或17.53±0.20°、和/或18.45±0.20°、和/或20.49±0.20°、和/或20.84±0.20°、和/或21.36±0.20°、和/或22.94±0.20°、和/或24.95±0.20°、和/或26.14±0.20°、和/或26.59±0.20°、和/或27.08±0.20°、和/或27.98±0.20°、和/或28.94±0.20°、和/或29.47±0.20°、和/或30.38±0.20°、和/或31.11±0.20°、和/或36.21±0.20°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.10°、15.42±0.10°、19.33±0.10°,还可以在7.66±0.10°、和/或11.56±0.10°、和/或12.83±0.10°、和/或15.99±0.10°、和/或16.51±0.10°、和/或16.92±0.10°、和/或17.53±0.10°、和/或18.45±0.10°、和/或20.49±0.10°、和/或20.84±0.10°、和/或21.36±0.10°、和/或22.94±0.10°、和/或24.95±0.10°、和/或26.14±0.10°、和/或26.59±0.10°、和/或27.08±0.10°、和/或27.98±0.10°、和/或28.94±0.10°、和/或29.47±0.10°、和/或30.38±0.10°、和/或31.11±0.10°、和/或36.21±0.10°。
本发明的一些方案中,上述A晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:7.66°、10.30°、11.56°、12.83°、15.42°、15.99°、16.51°、16.92°、17.53°、18.45°、19.33°、20.49°、20.84°、21.36°、22.94°、24.95°、26.14°、26.59°、27.08°、27.98°、28.94°、29.47°、30.38°、31.11°和36.21°。
本发明的一些方案中,上述A晶型的XRPD图谱基本如图6所示。
本发明的一些方案中,上述A晶型的XRPD图谱解析数据如表1所示。
表1化合物12的A晶型的XRPD图谱解析数据
本发明的一些方案中,上述A晶型的差示扫描量热曲线在166.33±3℃处具有吸热峰。
本发明的一些方案中,上述A晶型的差示扫描量热曲线在56.11±3℃和166.33±3℃处具有吸热峰。
本发明的一些方案中,上述A晶型的DSC图谱基本如图7所示。
本发明的一些方案中,上述A晶型的热重分析曲线在90±3℃时失重达1.408%。
本发明的一些方案中,上述A晶型的TGA图谱基本如图8所示。
本发明的一些方案中,上述A晶型的DVS等温线图谱基本如图9所示。
本发明还提供了化合物12的A晶型的制备方法:
(a)将化合物12加入甲醇成悬浊液;
(b)20~30℃下搅拌60~84小时,优选在25℃下搅拌72小时;
(c)过滤,干燥8~16小时;
本发明还提供了化合物12的B晶型,其特征在于,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:18.86±0.20°、19.83±0.20°和20.36±0.20°;
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:17.22±0.20°、18.86±0.20°、19.83±0.20°、20.36±0.20°和29.95±0.20°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:11.57±0.20°、12.60±0.20°、14.91±0.20°、17.22±0.20°、18.86±0.20°、19.83±0.20°、20.36±0.20°、26.55±0.20°和29.95±0.20°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱中,用2θ角表示,至少包含选自下列中的4、5、6、7、8或9个特征衍射峰:11.57±0.20°、12.60±0.20°、14.91±0.20°、17.22±0.20°、18.86±0.20°、19.83±0.20°、20.36±0.20°、26.55±0.20°和29.95±0.20°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:11.57±0.20°、12.60±0.20°、14.91±0.20°、15.21±0.20°、17.22±0.20°、17.47±0.20°、18.86±0.20°、19.83±0.20°、20.36±0.20°、26.55±0.20°、27.11±0.20°和29.95±0.20°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱中,用2θ角表示,至少包含选自下列中的4、5、6、7、8、9、10、11或12个特征衍射峰:11.57±0.20°、12.60±0.20°、14.91±0.20°、15.21±0.20°、17.22±0.20°、17.47±0.20°、18.86±0.20°、19.83±0.20°、20.36±0.20°、26.55±0.20°、27.11±0.20°和29.95±0.20°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:11.57±0.10°、12.60±0.10°、14.91±0.10°、15.21±0.10°、17.22±0.10°、17.47±0.10°、18.86±0.10°、19.83±0.10°、20.36±0.10°、26.55±0.10°、27.11±0.10°和29.95±0.10°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱中,用2θ角表示,至少包含选自下列中的4、5、6、7、8、9、10、11或12个特征衍射峰:11.57±0.10°、12.60±0.10°、14.91±0.10°、15.21±0.10°、17.22±0.10°、17.47±0.10°、18.86±0.10°、19.83±0.10°、20.36±0.10°、26.55±0.10°、27.11±0.10°和29.95±0.10°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:11.57±0.20°、12.60±0.20°、14.91±0.20°、15.21±0.20°、17.22±0.20°、17.47±0.20°、18.14±0.20°、18.86±0.20°、19.83±0.20°、20.36±0.20°、23.02±0.20°、23.64±0.20°、25.28±0.20°、26.55±0.20°、27.11±0.20°和29.95±0.20°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱中,用2θ角表示,至少包含选自下列中的4、5、6、7、8、9、10、11、12、13、14、15或16个特征衍射峰:11.57±0.20°、12.60±0.20°、14.91±0.20°、15.21±0.20°、17.22±0.20°、17.47±0.20°、18.14±0.20°、18.86±0.20°、19.83±0.20°、20.36±0.20°、23.02±0.20°、23.64±0.20°、25.28±0.20°、26.55±0.20°、27.11±0.20°和29.95±0.20°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:11.57±0.10°、12.60±0.10°、14.91±0.10°、15.21±0.10°、17.22±0.10°、17.47±0.10°、18.14±0.10°、18.86±0.10°、19.83±0.10°、20.36±0.10°、23.02±0.10°、23.64±0.10°、25.28±0.10°、26.55±0.10°、27.11±0.10°和29.95±0.10°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱中,用2θ角表示,至少包含选自下列中的4、5、6、7、8、9、10、11、12、13、14、15或16个特征衍射峰:11.57±0.10°、12.60±0.10°、14.91±0.10°、15.21±0.10°、17.22±0.10°、17.47±0.10°、18.14±0.10°、18.86±0.10°、19.83±0.10°、20.36±0.10°、23.02±0.10°、23.64±0.10°、25.28±0.10°、26.55±0.10°、27.11±0.10°和29.95±0.10°。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:18.86±0.20°、19.83±0.20°、20.36±0.20°,还可以在6.71±0.20°、9.85±0.20°、10.40±0.20°、10.87±0.20°、11.57±0.20°、12.60±0.20°、13.49±0.20°、14.07±0.20°、14.91±0.20°、15.21±0.20°、15.52±0.20°、17.22±0.20°、17.47±0.20°、18.14±0.20°、21.32±0.20°、21.90±0.20°、22.54±0.20°、23.02±0.20°、23.64±0.20°、24.01±0.20°、24.39±0.20°、25.28±0.20°、26.11±0.20°、26.55±0.20°、27.11±0.20°、27.44±0.20°、29.35±0.20°、29.95±0.20°、30.56±0.20°、32.22±0.20°、32.54±0.20°、33.20±0.20°、34.27±0.20°、34.87±0.20°、35.41±0.20°、35.82±0.20°、36.38±0.20°和37.10±0.20°处有特征衍射峰。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:18.86±0.10°、19.83±0.10°、20.36±0.10°,还可以在6.71±0.10°、9.85±0.10°、10.40±0.10°、10.87±0.10°、11.57±0.10°、12.60±0.10°、13.49±0.10°、14.07±0.10°、14.91±0.10°、15.21±0.10°、15.52±0.10°、17.22±0.10°、17.47±0.10°、18.14±0.10°、21.32±0.10°、21.90±0.10°、22.54±0.10°、23.02±0.10°、23.64±0.10°、24.01±0.10°、24.39±0.10°、25.28±0.10°、26.11±0.10°、26.55±0.10°、27.11±0.10°、27.44±0.10°、29.35±0.10°、29.95±0.10°、30.56±0.10°、
32.22±0.10°、32.54±0.10°、33.20±0.10°、34.27±0.10°、34.87±0.10°、35.41±0.10°、35.82±0.10°、36.38±0.10°和37.10±0.10°处有特征衍射峰。
本发明的一些方案中,上述B晶型的X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:6.71°、9.85°、10.40°、10.87°、11.57°、12.60°、13.49°、14.07°、14.91°、15.21°、15.52°、17.22°、17.47°、18.14°、18.86°、19.83°、20.36°、21.32°、21.90°、22.54°、23.02°、23.64°、24.01°、24.39°、25.28°、26.11°、26.55°、27.11°、27.44°、29.35°、29.95°、30.56°、32.22°、32.54°、33.20°、34.27°、34.87°、35.41°、35.82°、36.38°和37.10±0.10°。
本发明的一些方案中,上述B晶型的XRPD图谱基本如图10所示。
本发明的一些方案中,上述B晶型的XRPD图谱解析数据如表2所示。
表2化合物12的B晶型的XRPD图谱解析数据
本发明的一些方案中,上述B晶型的差示扫描量热曲线在148.98±3℃和171.52±3℃处具有吸热峰。
本发明的一些方案中,上述B晶型的差示扫描量热曲线在46.02±3℃、148.98±3℃和171.52±3℃处具有吸热峰。
本发明的一些方案中,上述B晶型的DSC图谱基本如图11所示。
本发明的一些方案中,上述B晶型的热重分析曲线在65±3℃时失重达0.420%。
本发明的一些方案中,上述B晶型的TGA图谱基本如图12所示。
本发明还提供了化合物12的C晶型,其特征在于,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:7.52±0.20°、9.64±0.20°、10.23±0.20°、11.31±0.20°、15.13±0.20°、16.38±0.20°、17.41±0.20°、18.94±0.20°、20.50±0.20°、21.32±0.20°、22.94±0.20°、26.74±0.20°和30.56±0.20°;
本发明的一些方案中,上述C晶型的XRPD图谱基本如图13所示。
本发明的一些方案中,上述C晶型的XRPD图谱解析数据如表3所示。
表3化合物12的C晶型的XRPD图谱解析数据
本发明的一些方案中,上述C晶型的差示扫描量热曲线在167.97±3℃处具有吸热峰。
本发明的一些方案中,上述C晶型的差示扫描量热曲线在52.99±3℃和167.97±3℃处具有吸热峰。
本发明的一些方案中,上述C晶型的DSC图谱基本如图14所示。
本发明的一些方案中,上述C晶型的热重分析曲线在55±3℃时失重达0.071%。
本发明的一些方案中,上述C晶型的TGA图谱基本如图15所示。
本发明还提供了上述化合物、其立体异构体或其药学上可接受的盐或/和化合物12的A晶型或/和B晶型或/和C晶型在制备治疗与DPP1抑制相关疾病药物中的应用。
本发明的一些方案中,上述与DPP1抑制相关疾病药物选自肺部疾病。
本发明的一些方案中,上述肺部疾病选自非囊性纤维化支气管扩张症、慢性阻塞性肺病、急性肺损伤和囊性纤维化支气管扩张症。
本发明还提供了上述化合物、其立体异构体或其药学上可接受的盐的合成方法,其合成路线如下:
合成路线1:
合成路线2:
合成路线3:
技术效果
本发明提供的化合物对DPP1酶及细胞有显著的抑制活性;毒性小,安全性高;具有较好的药代动力学性质及较高的骨髓靶组织分布,预示外周DPP1酶活带来掌跖角化-牙周破坏综合征(PLS)风险较低;能够显著抑制大鼠骨髓中性粒细胞弹性蛋白酶的活性,可用于非囊性纤维化支气管扩张症、慢性阻塞性肺病、急性肺损伤和囊性纤维化支气管扩张症等肺部疾病的治疗。本发明化合物的晶型易于制备,其物理稳定性、化学稳定性均较好,具有很高的工业应用价值和经济价值。
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。
必须注意的是,除非上下文另有明确说明或与本文明显相悖,否则如本文和所附权利要求所用的本发明的内容(尤其随附权利要求书的内容)中使用的单数形式“一”、“一个”、“所述”及类似术语应解释为包括单数和复数两者。因此,例如,提及“所述化合物”包括提及一种或多种化合物;等等。
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、过敏性反应或其他问题或并发症,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。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,用楔形实线键和楔形虚线键表示一个立体中心的绝对构型,用直形实线键和直形虚线键表示立体中心的相对构型,用波浪线表示楔形实线键或楔形虚线键或用波浪线表示直形实线键或直形虚线键
本发明的化合物可以存在特定的。除非另有说明,术语“互变异构体”或“互变异构体形式”是指在室温下,不同官能团异构体处于动态平衡,并能很快的相互转化。若互变异构体是可能的(如在溶液中),则可以达到互变异构体的化学平衡。例如,质子互变异构体(proton tautomer)(也称质子转移互变异构体(prototropic tautomer))包括通过质子迁移来进行的互相转化,如酮-烯醇异构化和亚胺-烯胺异构化。价键异构体(valence tautomer)包括一些成键电子的重组来进行的相互转化。其中酮-烯醇互变异构化的具体实例是戊烷-2,4-二酮与4-羟基戊-3-烯-2-酮两个互变异构体之间的互变。
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“任选”或“任选地”指的是随后描述的事件或状况可能但不是必需出现的,并且该描述包括其中所述事件或状况发生的情况以及所述事件或状况不发生的情况。
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,取代基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,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直形虚线键或波浪线表示。例如-OCH3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;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;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。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
这4种连接方式,即使-N-上画出了H原子,但是仍包括这种连接方式的基团,只是在连接1个化学键时,该位点的H会对应减少1个变成相应的一价哌啶基。
当某取代基的化学键与连接环上两原子的化学键相交时,说明该取代基可与环上任意原子成键。当某取代基连接的原子并没有指明的时候,该取代基可以与任意原子成键,如果取代基连接的原子在双环或者三环体系中,则说明该取代基可与该体系中任意环的任意原子成键。取代基及/或变量的组合只有在该组合
产生稳定的化合物时才被允许。例如,结构单元表示其可在环己基或者环戊基上的任意一个位置发生取代。
除非另有规定,术语“C1-3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C1-3烷基包括C1-2和C2-3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)。C1-3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,“C3-6环烷基”表示由3至6个碳原子组成的饱和环状碳氢基团,其为单环和双环体系,所述C3-6环烷基包括C3-5、C4-5和C5-6环烷基等;其可以是一价、二价或者多价。C3-6环烷基的实例包括,但不限于,环丙基、环丁基、环戊基、环己基等。
除非另有规定,术语“3-8元杂环烷基”本身或者与其他术语联合分别表示由3至8个环原子组成的饱和环状基团,其1、2、3或4个环原子为独立选自O、S和N的杂原子,其余为碳原子,其中氮原子任选地被季铵化,氮和硫杂原子可任选被氧化(即NO和S(O)p,p是1或2)。其包括单环和双环体系,其中双环体系包括螺环、并环和桥环。此外,就该“3-8元杂环烷基”而言,杂原子可以占据杂环烷基与分子其余部分的连接位置。所述3-8元杂环烷基包括3-6元、3-5元、4-6元、5-6元、4元、5元和6元杂环烷基等。3-8元杂环烷基的实例包括但不限于氮杂环丁基、氧杂环丁基、硫杂环丁基、吡咯烷基、吡唑烷基、咪唑烷基、四氢噻吩基(包括四氢噻吩-2-基和四氢噻吩-3-基等)、四氢呋喃基(包括四氢呋喃-2-基等)、四氢吡喃基、哌啶基(包括1-哌啶基、2-哌啶基和3-哌啶基等)、哌嗪基(包括1-哌嗪基和2-哌嗪基等)、吗啉基(包括3-吗啉基和4-吗啉基等)、二噁烷基、二噻烷基、异噁唑烷基、异噻唑烷基、1,2-噁嗪基、1,2-噻嗪基、六氢哒嗪基、高哌嗪基、高哌啶基或二氧杂环庚烷基等。
术语“离去基团”是指可以被另一种官能团或原子通过取代反应(例如亲核取代反应)所取代的官能团或原子。例如,代表性的离去基团包括三氟甲磺酸酯;氯、溴、碘;磺酸酯基,如甲磺酸酯、甲苯磺酸酯、对溴苯磺酸酯、对甲苯磺酸酯等;酰氧基,如乙酰氧基、三氟乙酰氧基等等。
术语“保护基”包括但不限于“氨基保护基”、“羟基保护基”或“巯基保护基”。术语“氨基保护基”是指适合用于阻止氨基氮位上副反应的保护基团。代表性的氨基保护基包括但不限于:甲酰基;酰基,例如链烷酰基(如乙酰基、三氯乙酰基或三氟乙酰基);烷氧基羰基,如叔丁氧基羰基(Boc);芳基甲氧羰基,如苄氧羰基(Cbz)和9-芴甲氧羰基(Fmoc);芳基甲基,如苄基(Bn)、三苯甲基(Tr)、1,1-二-(4'-甲氧基苯基)甲基;甲硅烷基,如三甲基甲硅烷基(TMS)和叔丁基二甲基甲硅烷基(TBS)等等。术语“羟基保护基”是指适合用于阻止羟基副反应的保护基。代表性羟基保护基包括但不限于:烷基,如甲基、乙基和叔丁基;酰基,例如链烷酰基(如乙酰基);芳基甲基,如苄基(Bn),对甲氧基苄基(PMB)、9-芴基甲基(Fm)和二苯基甲基(二苯甲基,DPM);甲硅烷基,如三甲基甲硅烷基(TMS)和叔丁基二甲基甲硅烷基(TBS)等等。
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。
在整个本说明书中提到的“一实施方案”或“实施方案”或“在另一实施方案中”或“在某些实施方案中”意指在至少一实施方案中包括与该实施方案所述的相关的具体参考要素、结构或特征。因此,在整个说明书中不同位置出现的短语“在一实施方案中”或“在实施方案中”或“在另一实施方案中”或“在某些实施方案中”不必全部指同一实施方案。此外,具体要素、结构或特征可以任何适当的方式在一个或多个实施方案中结合。
本发明所述晶型的差示扫描量热测定(DSC)有实验误差,并受样品的干燥程度有轻微影响,在一台机器和另一台机器之间以及一个样品和另一个样品之间,吸热峰的位置和峰值可能会略有差别,实验误差或差别的数值可能小于等于10℃,或小于等于9℃,或小于等于8℃,或小于等于7℃,或小于等于6℃,
或小于等于5℃,或小于等于4℃,或小于等于3℃,或小于等于2℃,或小于等于1℃,因此所述DSC吸热峰的峰位置或峰值的数值不能视为绝对的。
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 D8 venture衍射仪收集衍射强度数据,光源为CuKα辐射,扫描方式: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。
本发明所使用的容积可经市售获得。
本发明采用下述缩略词:Boc代表叔丁氧羰基;DCM代表二氯甲烷;DIEA代表N,N-二异丙基乙胺;DMF代表N,N-二甲基甲酰胺;MeI代表碘甲烷;PE代表石油醚;EA代表乙酸乙酯;THF代表四氢呋喃;EtOH代表乙醇;MeOH代表甲醇;Boc2O代表二碳酸二叔丁酯;NH4Cl代表氯化铵;T3P代表1-丙基磷酸三环酸酐;Pd/C代表钯/碳催化剂;AcOH代表醋酸;FA代表甲酸;ACN代表乙腈;TLC代表薄层色谱;HPLC代表高压液相色谱;LCMS代表液质联用色谱。DMSO代表二甲亚砜;DMSO-d6代表氘代二甲亚砜;CD3OD代表氘代甲醇;CDCl3代表氘代氯仿;D2O代表氘水;PK代表药代动力学;PD代表药效学;伯吉斯试剂(Burgess试剂)代表N-(三乙基铵磺酰)氨基甲酸甲酯。
化合物依据本领域常规命名原则或者使用软件命名,市售化合物采用供应商目录名称。本发明X射线粉末衍射(X-ray powder diffractometer,XRPD)方法,测试参数见表4。
表4 XRPD测试参数
本发明差热分析(Differential Scanning Calorimeter,DSC)方法,测试参数见表5。
表5 DSC测试参数
本发明热重分析(Thermal Gravimetric Analyzer,TGA)方法,测试参数见表6。
表6 TGA测试参数
本发明动态气体吸附分析(Dynamic Vapor Sorption,DVS)方法,测试参数见表7。
表7 DVS测试参数
图1为化合物1A和DPP1蛋白的结合模式图;
图2为化合物2A和DPP1蛋白的结合模式图;
图3为化合物3A和DPP1蛋白的结合模式图;
图4为化合物4A和DPP1蛋白的结合模式图;
图5为化合物5A和DPP1蛋白的结合模式图;
图6为化合物12的A晶型的Cu-Kα辐射的XRPD谱图;
图7为化合物12的A晶型的DSC谱图;
图8为化合物12的A晶型的TGA谱图;
图9为化合物12的A晶型的DVS谱图;
图10为化合物12的B晶型的Cu-Kα辐射的XRPD谱图;
图11为化合物12的B晶型的DSC谱图;
图12为化合物12的B晶型的TGA谱图;
图13为化合物12的C晶型的Cu-Kα辐射的XRPD谱图;
图14为化合物12的C晶型的DSC谱图;
图15为化合物12的C晶型的TGA谱图;
图16为本发明化合物的骨髓中性粒细胞弹性蛋白酶活性检测结果。
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。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。
计算例1
分子对接过程是通过使用Maestro(版本2022-1)中的Glide SP[1]和默认选项进行的。选择DPP1的共晶体结构(PDB ID:4CDF)作为对接模板。为了准备蛋白质,使用Maestro[2]的蛋白质准备向导模块添加氢原子,并使用OPLS4力场。对于配体的准备,使用LigPrep模块生成了分子的三维结构,并进行了能量最小化[3],使用ConfGen模块对小分子构象进行搜索[4]。使用Glide中的Receptor Grid Generation模块生成对接需要的格点(grid)文件,以晶体结构中的配体作为对接盒子的中心。分析蛋白质受体与配体的相互作用类型,然后根据计算得到的对接打分和结合模式选择挑选潜力大的分子进行合成测试。
[1]Glide,LLC,New York,NY,2020.
[2]Maestro,LLC,New York,NY,2020.
[3]LigPrep,LLC,New York,NY,2020.
[4]ConfGen,LLC,New York,NY,2020.
结论:本发明化合物与DPP1蛋白有较好的结合。
实施例1
合成路线:
步骤1:化合物1-3的合成
将化合物1-1(5g,27.14mmol)的四氢呋喃(50mL)溶液氮气置换3次后,降至-78℃,缓慢加入正丁基锂(2.5M,13.57mL)控制温度在-60℃以下,搅拌0.5hr后加入化合物1-2(7.27g,27.14mmol)的四氢呋喃(5mL)溶液,自然恢复至室温20℃反应16hr。将反应液倒入200mL饱和氯化铵溶液中淬灭反应(未见明显升温),用乙酸乙酯萃取(50mL×3),合并有机相,饱和食盐水洗涤(100mL),有机相用无水硫酸钠干燥,过滤,减压浓缩得到粗品。粗品用硅胶柱层析法分离(石油醚/乙酸乙酯=10:1,v/v)。得到化合物1-3。1H NMR(400MHz,CDCl3)δ=7.22-7.10(m,2H),7.07-6.95(m,1H),4.35-4.20(m,1H),3.77-3.60(m,6H),3.54(t,J=3.4Hz,1H),3.21(dd,J=4.3,13.6Hz,1H),2.97(dd,J=6.5,13.5Hz,1H),2.19(dtd,J=3.4,6.8,13.7Hz,1H),1.02-0.91(m,3H),0.71-0.54(m,3H)。
步骤2:化合物1-4的合成
向化合物1-3(6g,16.16mmol)的乙腈(60mL)溶液中加入盐酸(0.2M,202.02mL)溶液,在25℃反应16hr。向反应液中加入100mL乙酸乙酯分液,水相用饱和碳酸氢钠调节pH至8左右,继续用乙酸乙酯萃取(50mL×2),合并有机相,饱和食盐水洗涤(100mL),有机相用无水硫酸钠干燥,过滤,减压浓缩得到化合物1-4。
步骤3:化合物1-5的合成
将化合物1-4(5g,18.11mmol)溶解于氨甲醇溶液(7M,50mL)中,反应在40℃搅拌16hr。减压浓缩,加入乙酸乙酯(30mL)搅拌,过滤,干燥得到化合物1-5。1H NMR(400MHz,DMSO-d6)δ=7.45(dd,J=1.8,9.6Hz,1H),7.36-7.32(m,2H),7.29-7.22(m,1H),6.96(br s,1H),3.32-3.25(m,1H),2.87(dd,J=5.4,13.7Hz,1H),2.61(dd,J=8.6,13.6Hz,1H),1.73(br s,2H)。
步骤4:化合物1-7的合成
将化合物1-6(3.05g,12.64mmol)溶于N,N-二甲基甲酰胺(30mL)中,加入O-(7-氮杂苯并三氮唑-1-YL)-N,N,N,N-四甲基脲六氟膦盐(5.77g,15.17mmol),反应在20℃搅拌0.5hr,随后加入二异丙基乙胺(4.90g,37.92mmol)和化合物1-5(3.3g,12.64mmol),反应在20℃搅拌24hr。反应液加入乙酸乙酯和叔丁基甲基醚混合液(200mL,1:1,v/v),5%柠檬酸溶液(60mL)洗涤,饱和碳酸氢钠(60mL)洗涤,饱和氯化钠溶液(60mL)洗涤,有机相经无水硫酸钠干燥后,过滤,滤液减压浓缩。通过硅胶柱层析(石油醚:乙
酸乙酯=0:1,v/v)纯化。得到化合物1-7。
步骤5:化合物1-9的合成
将化合物1-7(2g,4.13mmol)溶解于二氧六环(20mL)中,加入化合物1-8(1.21g,5.37mmol),醋酸钾(1.62g,16.52mmol),[1,1-双(二苯基膦)二茂铁]二氯化钯二氯甲烷(337.20mg,412.92μmol),氮气置换三次,反应升温至70℃搅拌16hr。减压浓缩。经硅胶柱层析纯化(石油醚:乙酸乙酯3:1~2:1,v/v),得到化合物1-9。1H NMR(400MHz,DMSO-d6)δ=7.76-7.66(m,1H),7.38(d,J=7.60Hz,1H),7.29-7.17(m,4H),4.60-4.44(m,1H),4.06-3.97(m,1H),3.74(s,4H),3.51(s,1H),3.21-3.14(m,1H),2.95-2.83(m,1H),2.35(s,1H),1.66-1.46(m,4H),1.40(s,5H),1.24(s,5H),1.16-1.04(m,1H),0.94(s,6H)。
步骤6:化合物1-12的合成
将化合物1-10(1.78g,13.53mmol)和化合物1-11(1.92g,13.53mmol)溶于N,N-二甲基甲酰胺(15mL),加入碳酸钾(3.74g,27.06mmol),100℃搅拌16hr。将反应液降至室温,加入乙酸乙酯(50mL),半饱和食盐水(30mL),分液,有机相用半饱和食盐水(30mL×4)洗涤,有机相用无水硫酸钠干燥,过滤,减压浓缩,得化合物1-12。MS-ESI:m/z:[M+1]+=254.2。1H NMR(400MHz,DMSO-d6)δ=7.59-7.48(m,1H),6.82-6.73(m,1H),6.69-6.62(m,1H),4.60-4.51(m,2H),4.50-4.42(m,2H),3.53-3.45(m,4H),3.37-3.32(m,1H),2.36-2.27(m,4H)。
步骤7:化合物1-13的合成
将化合物1-9(1.00g,2.23mmol)和化合物1-12(564.74mg,2.23mmol)溶于乙腈(40mL)和水(10mL)中,加入碳酸钾(922.88mg,6.68mmol),置换氮气三次,加入[1,1-双(二苯基膦)二茂铁]二氯化钯二氯甲烷(363.53mg,445.16μmol),置换氮气三次,80℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(40mL),乙酸乙酯(40mL×2)萃取,合并有机相用饱和食盐水(40mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,通过硅胶柱层析(二氯甲烷:甲醇=100:0~97:3,v/v)纯化得化合物1-13。
步骤8:化合物1-14的合成
将化合物1-13(740mg,1.19mmol)溶于无水二氯甲烷(8mL)中,加入伯吉斯试剂(566.38mg,2.38mmol),20℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(50mL×2)萃取,合并有机相用饱和食盐水(100mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得到化合物1-14。MS-ESI:m/z:[M+1]+=505.2。1H NMR(400MHz,DMSO-d6)δ=8.81-8.65(m,1H),7.89-7.77(m,2H),7.63(t,J=7.9Hz,1H),7.57-7.39(m,2H),7.27(d,J=7.4Hz,1H),6.89-6.78(m,1H),5.16-4.99(m,1H),4.61-4.54(m,2H),4.51-4.44(m,2H),4.10-3.99(m,1H),3.65-3.40(m,6H),3.28-3.00(m,3H),2.45-2.25(m,5H),1.71-1.44(m,4H),1.42-1.29(m,9H)。
步骤9:化合物1的合成
将化合物1-14(752mg,1.24mmol)溶于乙腈(15mL),加入对甲苯磺酸(1.07g,6.22mmol),20℃搅拌16hr。向反应液中加入水(20mL),乙酸乙酯(20mL×2)萃取,水相用饱和碳酸氢钠溶液调节pH=9,乙酸乙酯(20mL×2)萃取,合并有机相用无水硫酸钠干燥,过滤,减压浓缩,得到化合物1。1H NMR(400MHz,DMSO-d6)δ=8.61(s,1H),7.89-7.76(m,2H),7.67-7.58(m,1H),7.38(s,1H),7.30-7.23(m,1H),6.91-6.76(m,1H),5.08(s,1H),4.60-4.54(m,2H),4.51-4.46(m,2H),3.64-3.51(m,4H),3.47-3.39(m,1H),3.29-3.19(m,2H),3.11-3.04(m,1H),2.42-2.28(m,6H),1.58-1.25(m,5H),1.07-0.97(m,1H),0.95-0.86(m,1H)。
实施例2
合成路线:
步骤1:化合物2-2的合成
将化合物1-10(2g,15.21mmol),化合物2-1(3.23g,15.21mmol)溶解于N,N-二甲基甲酰胺(20mL)中,加入碳酸钾(4.20g,30.41mmol),反应逐渐升温至100℃搅拌16hr。反应液加入乙酸乙酯(100mL),经半饱和氯化钠溶液(25mL×4)洗涤,分液,有机相经无水硫酸钠干燥后,过滤,滤液减压浓缩。粗品通过硅胶柱层析(石油醚:乙酸乙酯=100:0~91:9)纯化,得到化合物2-2。MS-ESI m/z:[M+H]+324.2。
步骤2:化合物2-3的合成
在20℃,将化合物2-2(3g,9.26mmol)溶于二氯甲烷(22.5mL),加入三氟乙酸(7.5mL),搅拌反应16hr。将反应液减压浓缩得到粗品,将粗品溶于乙酸乙酯(30mL),加入饱和碳酸氢钠溶液(20mL×3)萃取,合并有机相,经饱和食盐水(20mL)洗涤,无水硫酸钠干燥后,过滤,滤液减压浓缩,得到化合物2-3。MS-ESI m/z:[M+1]+=224.1。
步骤3:化合物2-5的合成
将化合物2-3(2.18g,9.75mmol)和化合物2-4(1.05g,14.62mmol)溶于四氢呋喃(11mL)中,加入冰醋酸(585.21mg,9.75mmol)搅拌20min,加入醋酸硼氢化钠(3.51g,16.57mmol),20℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),加入乙酸乙酯(20mL×2)萃取,合并有机相用饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,得到化合物2-5。1H NMR(400MHz,DMSO-d6)δ=7.57-7.43(m,1H),6.69(d,J=8.4Hz,1H),6.61-6.52(m,1H),4.52-4.37(m,6H),3.42-3.27(m,1H),2.54(br d,J=2.0Hz,1H),2.19-2.01(m,2H),2.00-1.89(m,3H),1.84-1.73(m,2H)。
步骤4:化合物2-6的合成
将化合物1-9(217.94mg,779.02μmol)和化合物2-5(350mg,779.02μmol)溶于乙腈(9mL)和水(2.5mL)中,加入碳酸钾(323.00mg,2.34mmol),置换氮气三次,快速加入[1,1-双(二苯基膦)二茂铁]二氯化钯二氯甲烷(127.24mg,155.80μmol),置换氮气三次,80℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(20mL×2)萃取,合并有机相用饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩。粗品通过硅胶柱层析(二氯甲烷:甲醇=100:0~97:3,v/v)纯化得化合物2-6。MS-ESI m/z:[M+1]+=649.5
步骤5:化合物2-7的合成
将化合物2-6(137mg,211.17μmol)溶于无水二氯甲烷(2mL),加入伯吉斯试剂(201.29mg,844.68
μmol),20℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(10mL),乙酸乙酯(10mL×2)萃取,合并有机相用饱和食盐水(10mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得化合物2-7。MS-ESI m/z:[M+1]+=631.4。
步骤6:化合物2的合成
将化合物2-7(133mg,210.86μmol)溶于乙腈(3mL),加入对甲苯磺酸(181.55mg,1.05mmol),20℃搅拌16hr。向反应液中加入水(20mL),乙酸乙酯(20mL×2)萃取,水相用饱和碳酸氢钠溶液调节pH=9,乙酸乙酯(20mL×2)萃取,合并有机相用无水硫酸钠干燥,过滤,减压浓缩得化合物2。MS-ESI m/z:[M+1]+=531.2。1H NMR(400MHz,DMSO-d6)δ=8.76-8.66(m,1H),7.84-7.77(m,2H),7.62-7.56(m,1H),7.42(t,J=8.0Hz,1H),7.20(d,J=7.4Hz,1H),6.78-6.72(m,1H),5.07-4.98(m,1H),4.70(s,2H),4.49-4.36(m,4H),3.40-3.35(m,1H),3.31-3.19(m,3H),3.13-3.08(m,1H),2.58-2.51(m,2H),2.38-2.30(m,1H),2.17-2.09(m,2H),2.07-1.94(m,2H),1.92-1.81(m,2H),1.59-1.27(m,5H),1.09-0.99(m,1H),0.97-0.89(m,1H)。
实施例3
合成路线:
步骤1:化合物3-2的合成
控制反应温度-30℃,将二异丙基氨基锂(2M,19.58M)溶入四氢呋喃(100mL)溶液中,缓慢滴加化合物3-1(9.34g,38.39mmol)的四氢呋喃(10mL)溶液,搅拌30min后,向体系缓慢滴加化合物1-10(5g,38.01mmol)的四氢呋喃(5mL)溶液。加毕,反应升温至25℃,搅拌2.5hr。反应液加水(150mL)淬灭,随后加入乙酸乙酯(100mL×3)萃取,合并有机相后加入饱和食盐水(150mL)洗涤,有机相经无水硫酸钠干燥后,过滤,滤液减压浓缩。粗品通过硅胶柱层析(石油醚:乙酸乙酯=1:1,v/v)纯化得到化合物3-2。
步骤2:化合物3-3的合成
将化合物3-2(2.4g,6.76mmol)溶于甲醇(30mL)中,加入水(15mL)与氢氧化钠(3.11g,77.78mmol)的混合溶液,在25℃搅拌1hr。反应液用乙酸乙酯(20mL×2)萃取,合并有机相后加入饱和食盐水(20mL)洗涤,分液,有机相经无水硫酸钠干燥后,过滤,滤液减压浓缩得到化合物3-3。粗品直接用于下一步。1H NMR(400MHz,CDCl3)δ=7.64-7.55(m,1H),7.21-7.15(m,1H),7.10-7.05(m,1H),2.91-2.74(m,4H),1.92(br d,J=13.0Hz,2H),1.75-1.63(m,2H),1.47(s,9H)。
步骤3:化合物3-4的合成
在80℃,将化合物3-3(2.3g,6.75mmol)溶于二氯乙烷(50mL)中,反应搅拌16hr。反应液直接减压浓缩,得到化合物3-4。粗品直接用于下一步。
步骤4:化合物3-5的合成
在25℃,将化合物3-4(1.85g,6.23mmol)溶于二氯甲烷(15mL)中,加入4M氯化氢/乙酸乙酯溶液(15mL),反应搅拌2hr。向反应液中滴加饱和碳酸氢钠溶液,调节pH至9-10左右,加入二氯甲烷与甲醇混合溶液(5:1,v/v,10mL×5次)萃取,合并有机相后加入饱和食盐水(20mL)洗涤,分液,有机相经无水硫酸钠干燥后,过滤,滤液减压浓缩得到化合物3-5的盐酸盐。粗品直接用于下一步。
步骤5:化合物3-6的合成
将化合物3-5的盐酸盐(0.85g)和化合物2-4(467.16mg,6.48mmol)溶于四氢呋喃(10mL),加入醋酸(259.53mg,4.32mmol,247.40μL),反应搅拌25min,加入醋酸硼氢化钠(1.56g,7.35mmol),20℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),充分搅拌后,用乙酸乙酯(40mL×2)萃取,合并有机相用饱和食盐水(50mL)洗涤,有机相用无水硫酸钠干燥,过滤,减压浓缩得到化合物3-6。1H NMR(400MHz,DMSO-d6)δ=7.79(t,J=7.8Hz,1H),7.40-7.26(m,2H),4.57-4.51(m,2H),4.47-4.40(m,2H),3.44-3.35(m,1H),2.78(br d,J=11.1Hz,2H),2.65(tt,J=3.8,11.7Hz,1H),2.52-2.51(m,1H),2.49-2.48(m,1H),1.90-1.77(m,4H)。
步骤6:化合物3-7的合成
将化合物3-6(0.8g,3.17mmol)和化合物1-9(2.13g,4.75mmol)溶于乙腈(25mL),加入碳酸钠(2M,3.17mL),搅拌25min,置换氮气三次,快速加入1,1-二(叔丁基膦)二茂铁氯化钯(412.60mg,633.06μmol),置换氮气三次,60℃搅拌16hr。将反应液中加入水(30mL)淬灭,搅拌5min后加入二氯甲烷(20mL×3)萃取三次,合并有机相后加入饱和食盐水(30mL)萃取一次,干燥后减压浓缩。粗品通过硅胶柱层析(二氯甲烷:甲醇=10:1,v/v)纯化得到化合物3-7。
步骤7:化合物3-8的合成
将化合物3-7(0.8g,1.28mmol)溶于无水二氯甲烷(10mL)中,加入伯吉斯试剂(612.30mg,2.57mmol),在18℃搅拌16hr。将饱和碳酸氢钠溶液缓慢滴加至反应液中,调节pH在8-9之间,加入乙酸乙酯(20mL×2)萃取两次,合并有机相后加入饱和氯化钠溶液(20mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩。粗品通过硅胶柱层析(二氯甲烷:甲醇=20:1,v/v)纯化得到化合物3-8。
步骤8:化合物3的合成
将化合物3-8(600.98mg,995.46μmol)溶于无水二氯甲烷(6mL),加入对甲苯磺酸(946.78mg,4.98mmol),在18℃搅拌16hr。将反应液中加入15mL水,萃取,水相用饱和碳酸氢钠溶液调节水相pH=7-8,加入二氯甲烷(15mL×4)萃取,合并有机相后无水硫酸钠干燥,过滤,减压浓缩。粗品经制备反向高效液相色谱(色谱柱:Waters Xbridge Prep OBD C18 150*40mm*10μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:30%-65%乙腈)分离纯化得到化合物3。MS-ESI m/z:[M+1]+=504.4。1H NMR(400MHz,DMSO-d6)δ=8.69(d,J=8.8Hz,1H),7.95-7.88(m,2H),7.86-7.79(m,2H),7.50-7.45(m,1H),7.31-7.27(m,1H),5.10-5.00(m,1H),4.58-4.54(m,2H),4.50-4.42(m,2H),3.41(t,J=6.4Hz,1H),3.31-3.22(m,2H),3.07(br d,J=5.8Hz,1H),2.86-2.78(m,2H),2.77-2.69(m,1H),2.34(br s,1H),1.96-1.78(m,7H),1.57-1.46(m,2H),1.36(br dd,J=8.9,16.2Hz,1H),1.44-1.28(m,1H),1.07-1.00(m,1H),0.96-0.88(m,1H)。
实施例4
合成路线:
步骤1:化合物4-2的合成
将化合物1-9(2g,4.45mmol)和化合物4-1(663.19mg,4.45mmol)溶于乙腈(20mL)和水(4mL)中,加入碳酸钾(615.25mg,4.45mmol),置换氮气三次,加入[1,1-双(二苯基膦)二茂铁]二氯化钯二氯甲烷(727.06mg,890.31μmol),置换氮气三次,80℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(20mL×3)萃取,合并有机相用饱和食盐水(40mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,粗品通过硅胶柱层析(二氯甲烷:甲醇=100:0~98:2,v/v)纯化得化合物4-2。1H NMR(400MHz,CDCl3)δ=8.71-8.65(m,1H),7.93-7.87(m,1H),7.82-7.76(m,1H),7.64-7.61(m,1H),7.46-7.41(m,1H),6.96-6.89(m,1H),6.79(br d,J=8.8Hz,1H),5.45-5.37(m,1H),4.85-4.76(m,1H),4.17-4.12(m,1H),3.73-3.68(m,1H),3.51-3.47(m,2H),3.43-3.35(m,1H),3.23-3.11(m,1H),2.75-2.66(m,1H),1.75-1.69(m,1H),1.66-1.62(m,1H),1.45-1.39(m,9H),1.27-1.20(m,1H),1.17-1.09(m,1H)。
步骤2:化合物4-3的合成
将化合物4-2(0.48g,926.68μmol)和化合物1-11(131.77mg,926.68μmol)溶于乙腈(5mL)中,加入N,N-二异丙基乙胺(598.82mg,4.63mmol),置换氮气三次,80℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(20mL×3)萃取,合并有机相用饱和食盐水(40mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,粗品通过硅胶柱层析(二氯甲烷:甲醇=100:0~97:3,v/v)纯化得化合物4-3。
步骤3:化合物4-4的合成
将化合物4-3(0.4g,641.32μmol)溶于无水二氯甲烷(4mL)中,加入伯吉斯试剂(152.83mg,641.32μmol),20℃搅拌2hr。向反应液中加入饱和碳酸氢钠溶液(5mL),二氯甲烷(10mL×3)萃取,合并有机相用饱和食盐水(10mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得到化合物4-4。
步骤4:化合物4的合成
将化合物4-4(310mg,511.80μmol)溶于乙腈(4mL),加入对甲苯磺酸(486.78mg,2.56mmol),20℃搅拌16hr。向反应液中加入水(10mL),乙酸乙酯(10mL×3)萃取,水相用饱和碳酸氢钠溶液调节pH=9,二氯甲烷(10mL×3)萃取,合并有机相用无水硫酸钠干燥,过滤,减压浓缩,制备HPLC(色谱柱:Phenomenex Gemini-NX 80*40mm*3μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:20%-40%乙腈)纯化得到化合物4。MS-ESI m/z:[M+1]+=506.2。1H NMR(400MHz,CDCl3)δ=8.43-8.39(m,1H),8.31-8.23(m,1H),7.86-7.75(m,2H),7.43-7.35(m,1H),6.94-6.85(m,1H),5.20-5.10(m,1H),4.75-4.67(m,4H),4.03-3.93(m,4H),3.58-3.51(m,1H),3.50-3.47(m,1H),3.30-3.18(m,3H),2.69-2.64(m,1H),2.47-2.40(m,4H),1.62(br d,J=2.3Hz,2H),1.51-1.33(m,3H),1.19-1.12(m,1H),1.11-1.05(m,1H)。
实施例5
合成路线:
步骤1:化合物5-2的合成
将化合物5-1(3g,14.98mmol)和化合物1-10(1.97g,14.98mmol)溶于N,N-二甲基甲酰胺(30mL)中,加入碳酸钾(4.14g,29.96mmol),120℃搅拌64hr。将反应液降至室温,加入乙酸乙酯(50mL),半饱和食盐水(30mL),分液,有机相用半饱和食盐水(30mL×4)洗涤,有机相用无水硫酸钠干燥,过滤,减压浓缩得到化合物5-2。MS-ESI m/z:[M+1]+=312.2。
步骤2:化合物5-3的合成
将化合物5-2(500.00mg,1.60mmol)溶于二氯甲烷(3.75mL)和三氟乙酸(1.25mL)中,20℃搅拌16hr。将反应液减压浓缩,向残留物中加入饱和碳酸氢钠溶液(5mL),乙酸乙酯(10mL×2)萃取,合并有机相,饱和食盐水洗涤,无水硫酸钠干燥,过滤,减压浓缩得化合物5-3。1H NMR(400MHz,DMSO-d6)δ=7.50(t,J=7.9Hz,1H),6.67(d,J=8.5Hz,1H),6.58(d,J=7.4Hz,1H),4.32-4.21(m,1H),3.89-3.81(m,1H),2.94(br d,J=12.5Hz,1H),2.90-2.81(m,1H),2.77(d,J=2.6Hz,2H),2.55(dt,J=3.5,11.9Hz,1H),1.10(d,J=6.8Hz,3H)。
步骤3:化合物5-4的合成
将化合物5-3(490mg,2.31mmol)和化合物2-4(166.80mg,2.31mmol)溶于四氢呋喃(5mL)中。加入冰乙酸(139.00mg,2.31mmol,132.50μL),20℃搅拌30min,加入醋酸硼氢化钠(833.98mg,3.93mmol),搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(10mL),乙酸乙酯(10mL×2)萃取,合并有机相用饱和食盐水(10mL)洗涤,有机相用无水硫酸钠干燥,过滤,减压浓缩得化合物5-4。
步骤4:化合物5-5的合成
将化合物1-9(355.36mg,790.96μmol)和化合物5-4(211.78mg,790.96μmol)溶于乙腈(4mL)和水(1mL)中,加入碳酸钾(327.95mg,2.37mmol),置换氮气三次,快速加入1,1-双(二苯基膦)二茂铁氯化钯二氯甲烷混合物(64.59mg,79.10μmol),置换氮气三次,80℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(10mL),乙酸乙酯(10mL×2)萃取,合并有机相用饱和食盐水(10mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩。通过硅胶柱层析(二氯甲烷:甲醇=100:0~97:3,v/v)纯化得化合物5-5。MS-ESI m/z:[M+1]+=637.4。
步骤5:化合物5-6的合成
将化合物5-5(250mg,392.62μmol)溶于二氯甲烷(2.5mL),加入伯吉斯试剂(187.12mg,785.23μmol),20℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(50mL×2)萃取,合并有机相用饱和食盐水(100mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得化合物5-6。
步骤6:化合物5的合成
将化合物5-6(182mg,294.15μmol)溶于乙腈(8mL),加入对甲苯磺酸(253.26mg,1.47mmol),20℃搅拌16hr。反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(20mL×2)萃取,合并有机相,饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩。粗品制备反向高效液相色谱(色谱柱:Waters Xbridge Prep OBD C18 150*40mm*10μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:30%-50%乙腈)分离纯化得化合物5。MS-ESI m/z:[M+1]+=519.3。1H NMR(400MHz,DMSO-d6)δ=8.66(d,J=8.8Hz,1H),7.87-7.77(m,2H),7.65-7.58(m,1H),7.46-7.38(m,1H),7.27-7.20(m,1H),6.78(d,J=8.5Hz,1H),5.10-4.96(m,1H),4.65-4.55(m,3H),4.54-4.48(m,1H),4.44(t,J=6.0Hz,1H),4.23-4.05(m,1H),3.49-3.35(m,2H),3.31-3.19(m,2H),3.11-3.01(m,2H),2.91-2.79(m,1H),2.75-2.61(m,2H),2.37-2.30(m,1H),2.16-2.04(m,1H),1.96-1.85(m,1H),1.57-1.42(m,2H),1.42-1.28(m,2H),1.19(d,J=6.5Hz,3H),1.06-0.97(m,1H),0.94-0.86(m,1H)。
实施例6
合成路线:
步骤1:化合物6-2的合成
将化合物6-1(500.00mg,2.50mmol)和化合物1-10(328.38mg,2.50mmol)溶于N,N-二甲基甲酰胺(30mL)中,加入碳酸钾(690.07mg,4.99mmol),120℃搅拌64hr.将反应液降至20℃,加入乙酸乙酯(50mL),半饱和食盐水(30mL),分液,有机相用半饱和食盐水(30mL×4)洗涤,有机相用无水硫酸钠干燥,过滤,减压浓缩。得到化合物6-2。1H NMR(400MHz,DMSO-d6)δ=7.65-7.48(m,1H),6.79-6.54(m,2H),4.42(br s,1H),4.07-3.62(m,4H),3.00(s,3H),2.91(br d,J=9.8Hz,2H),1.42(s,9H)。
步骤2:化合物6-3的合成
将化合物6-2(2.29g,7.34mmol)溶于二氯甲烷(17.175mL)中,加入三氟乙酸(5.725mL),20℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液调节pH至约9左右,乙酸乙酯(40mL)萃取两次,合并有机相,经饱和食盐水(40mL)洗涤后,无水硫酸钠干燥,过滤,减压浓缩得到化合物6-3。MS(ESI)m/z:[M+1]+=212.2。
步骤3:化合物6-4的合成
将化合物6-3(1.5g,7.09mmol)溶于四氢呋喃(8mL)中,加入化合物2-4(765.93mg,10.63mmol)和冰乙酸(425.50mg,7.09mmol),搅拌0.2hr后,加入氰基硼氢化钠(2.55g,12.05mmol),20℃搅拌16hr。向反应液中加入碳酸氢钠溶液(5mL),搅拌5min后,分液,乙酸乙酯(30mL)萃取两次水相,
合并有机相,经饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得到化合物6-4。MS(ESI)m/z:[M+1]+=268.2。
步骤4:化合物6-5的合成
将化合物1-9(335.59mg,746.95μmol)和化合物6-4(200mg,746.95μmol)溶于乙腈(4mL)和水(1mL)中,加入碳酸钾(309.71mg,2.24mmol),置换氮气三次,加入[1,1-双(二苯基膦)二茂铁]二氯化钯二氯甲烷(122.00mg,149.39μmol),置换氮气三次,80℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(10mL),乙酸乙酯(20mL×3)萃取,合并有机相用饱和食盐水(40mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,通过硅胶柱层析(二氯甲烷:甲醇=100:0~97:3,v/v)纯化得化合物6-5。1H NMR(400MHz,CDCl3)δ=7.74-7.67(d,1H),7.58-7.51(m,1H),7.48-7.37(t,1H),7.35-7.28(t,1H),7.06-7.00(d,1H),6.58(d,J=8.5Hz,1H),5.49-5.32(s,1H),4.81-4.67(m,4H),4.65-4.57(m,2H),4.23-4.09(m,2H),3.72-3.61(s,1H),3.55-3.44(m,2H),3.36-3.09(m,3H),2.86-2.79(m,1H),2.75-2.48(m,2H),2.19(dd,J=3.8Hz,1H),2.10-2.00(s,2H),1.82-1.56(m,3H),1.48-1.36(m,9H),1.33-1.23(m,4H),1.23-1.16(m,1H)。
步骤5:化合物6-6的合成
将化合物6-5(0.605g,950.13μmol)溶于无水二氯甲烷(6mL)中,加入伯吉斯试剂(452.85mg,1.90mmol),20℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(5mL),二氯甲烷(10mL×3)萃取,合并有机相用饱和食盐水(10mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得到化合物6-6。
步骤6:化合物6的合成
将化合物6-6(900mg,1.45mmol)溶于乙腈(9mL),加入一水合对甲苯磺酸(1.38g,7.27mmol),20℃搅拌16hr。向反应液中加入水(10mL),乙酸乙酯(10mL×3)萃取,水相用饱和碳酸氢钠溶液调节pH=9,二氯甲烷(10mL×3)萃取,合并有机相用无水硫酸钠干燥,过滤,减压浓缩,经制备反向高效液相色谱(色谱柱:Phenomenex Luna C18 75*30mm*3μm;流动相:[H2O(0.1%TFA)-乙腈];梯度:5%-35%乙腈)分离得到化合物6。MS-ESI m/z:[M+1]+=519.3。1H NMR(400MHz,DMSO-d6)δ=8.72-8.63(d,1H),7.87-7.77(t,2H),7.66-7.57(t,1H),7.46-7.38(t,1H),7.27-7.20(d,1H),6.82-6.74(d,1H),5.08-4.97(dd,1H),4.63-4.54(m,3H),4.53-4.48(t,1H),4.47-4.41(t,1H),4.21-4.12(d,1H),3.44-3.35(m,1H),3.21(m,3H),3.10-3.00(m,2H),2.86-2.80(d,1H),2.68-2.62(d,1H),2.37-2.30(s,1H),2.11-2.05(dd,1H),1.95-1.85(m,1H),1.55-1.44(m,2H),1.42-1.32(m,2H),1.22-1.17(d,3H),1.01(m,J=9.4Hz,1H),0.89(m,1H)。
实施例7
合成路线:
步骤1:化合物7-2的合成
将化合物7-1(2g,9.99mmol)和化合物1-10(875.88mg,6.66mmol)溶于甲苯(20mL)中,加入叔丁醇钾(1.12g,9.99mmol),110℃搅拌16hr。将反应液降至室温,向反应液中加入氯化铵溶液(20mL),乙酸乙酯(20mL×2)萃取,合并有机相用饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩。通过硅胶柱层析(石油醚:乙酸乙酯=100:0~9:1,v/v)纯化得化合物7-2。MS-ESI m/z:[M+1]+=312.1。1H NMR(400MHz,DMSO-d6)δ=7.97-7.84(m,2H),7.39-7.27(m,1H),4.21-4.09(m,2H),4.03-3.96(m,2H),3.64(br t,J=4.9Hz,2H),1.43(s,9H)。
步骤2:化合物7-3的合成
将化合物7-2(900mg,2.89mmol)溶于二氯甲烷(6.75mL),加入三氟乙酸(2.25mL),20℃搅拌16hr。将反应液减压浓缩,剩余物用乙酸乙酯(20mL)溶解,加入饱和碳酸氢钠溶液至pH=8,分液,水相用乙酸乙酯(20mL)萃取,合并有机相用饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得化合物7-3。
步骤3:化合物7-4的合成
将化合物7-3(761mg,3.60mmol)和化合物2-4(259.11mg,3.60mmol)溶于四氢呋喃(8mL)中。加入冰醋酸(215.92mg,3.60mmol,205.83μL),20℃搅拌30min,加入醋酸硼氢化钠(1.30g,6.11mmol),搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(10mL),乙酸乙酯(10mL×2)萃取,合并有机相用饱和食盐水(10mL)洗涤,有机相用无水硫酸钠干燥,过滤,减压浓缩得化合物7-4。
步骤4:化合物7-5的合成
将化合物1-9(1.08g,2.40mmol)和化合物7-4(642.37mg,2.40mmol)溶于乙腈(12mL)和水(3mL)中,加入碳酸钾(994.90mg,7.20mmol),置换氮气三次,快速加入1,1-双(二苯基膦)二茂铁氯化钯二氯甲烷混合物(195.95mg,239.95μmol),置换氮气三次,80℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(20mL×2)萃取,合并有机相用饱和食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩。通过硅胶柱层析(二氯甲烷:甲醇=100:0~97:3,v/v)纯化得化合物7-5。
步骤5:化合物7-6的合成
将化合物7-5(716mg,1.12mmol)溶于无水二氯甲烷(7mL)中,加入伯吉斯试剂(535.96mg,2.25mmol),20℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(50mL×2)萃取,合并有机相用饱和食盐水(100mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得到化合物7-6。
步骤6:化合物7的合成
将化合物7-6(516mg,834.01μmol)溶于乙腈(10mL),加入对甲苯磺酸(718.09mg,4.17mmol),20℃搅拌16hr。向反应液中加入水(50mL),乙酸乙酯(50mL×2)萃取,水相用饱和碳酸氢钠溶液调节pH=10,乙酸乙酯(50mL×2)萃取,合并有机相用无水硫酸钠干燥,过滤,减压浓缩。通过制备HPLC(色谱柱:Waters Xbridge Prep OBD C18 150*40mm*10μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:15%-45%乙腈)得到化合物7。MS-ESI m/z:[M+1]+=519.2。1H NMR(400MHz,DMSO-d6)δ=8.73-8.60(m,1H),8.00-7.78(m,5H),7.52-7.44(m,1H),5.11-5.00(m,1H),4.64-4.57(m,2H),4.55-4.48(m,2H),4.05(br t,J=5.4Hz,2H),3.65-3.56(m,1H),3.31-3.26(m,3H),3.23(s,2H),3.09-3.03(m,1H),2.83-2.72(m,2H),2.33(br s,1H),1.59-1.28(m,5H),1.04-0.86(m,2H)。
实施例8
合成路线:
步骤1:化合物8-2的合成
将化合物8-1(3.57g,25.11mmol),化合物1-11(3.57g,25.11mmol)和三乙胺(4.01g,39.64mmol,5.52mL)依次加入到二氯甲烷(50mL),反应在16℃搅拌16h。反应液用水(30mL)淬灭,二氯甲烷分层,无水硫酸钠干燥,过滤,浓缩,得到的粗品经硅胶柱层析(石油醚:乙酸乙酯=1:1,v/v)纯化得到化合物8-2。1H NMR(400MHz,CDCl3)δ=8.02(d,J=8.38Hz,1H),6.63(d,J=8.25Hz,1H),4.59(dt,J=19.67,6.43Hz,4H),3.36-3.59(m,5H),2.31-2.46(m,4H)。
步骤2:化合物8-3的合成
将化合物8-2(1g,3.35mmol)和还原铁粉(934.72mg,16.74mmol),氯化铵(1.43g,26.78mmol)溶于乙醇(20mL)和水(4mL),60℃搅拌12h。反应液体直接用二氯甲烷(100mL)稀释,硅藻土过滤,静置,分液。无水硫酸钠干燥,过滤,浓缩得到化合物8-3。MS-ESI m/z:[M+1]+=269.2。1H NMR(400MHz,CDCl3)δ=6.80-6.86(m,1H),6.72-6.78(m,1H),4.47-4.72(m,4H),3.56-3.71(m,2H),3.51(quin,J=6.47Hz,1H),3.12(br t,J=4.44Hz,4H),2.33-2.51(m,4H)。
步骤3:化合物8-4的合成
将化合物8-3(0.67g,2.49mmol)溶于乙腈(14mL),将氯化亚铜(493.63mg,4.99mmol,119.23μL)和亚硝基叔丁酯(308.51mg,2.99mmol,355.83μL)加入到反应体系。升温到30℃搅拌12h。反应液用乙酸乙酯(20mL)和水(20mL)稀释,硅藻土过滤,分液,有机相用无水硫酸钠干燥,过滤,浓缩得到的粗品经硅胶柱层析(石油醚:乙酸乙酯=1:1,v/v)纯化得到化合物8-4。1H NMR(400MHz,CDCl3)δ=7.42(d,J=8.00Hz,1H),6.75(d,J=8.00Hz,1H),4.54-4.66(m,4H),3.45-3.56(m,1H),3.35-3.44(m,4H),2.35-2.48(m,4H)。
步骤4:化合物8-5的合成
将化合物1-9(2.03g,4.51mmol)和化合物8-4(0.65g,2.26mmol)溶于乙腈(26mL)和水(6.5mL)中,碳酸钾(935.24mg,6.77mmol)加入到反应体系,然后将[1,1-双(二苯基膦)二茂铁]二氯化钯二氯甲烷(368.40mg,451.12μmol)加入到反应体系,氮气置换,升温到80℃,搅拌12h。反应液直接用水(20mL)稀释,乙酸乙酯萃取(15mL),有机相用无水硫酸钠干燥,过滤,浓缩得到的粗品经硅胶柱层析(石油醚:乙酸乙酯=0:1,v/v)纯化得到化合物8-5。1H NMR(400MHz,CD3OD)δ=7.78(dd,J=16.45,8.69Hz,3H),7.44-7.51(m,1H),7.32-7.42(m,1H),4.79-4.85(m,1H),4.73-4.78(m,2H),4.66-4.72(m,2H),3.58(br s,2H),3.45-3.58(m,4H),3.36(s,2H),3.02-3.13(m,1H),2.53-2.65(m,4H),2.45-2.52(m,1H),1.53
-1.81(m,4H),1.35-1.51(m,10H),1.12-1.25(m,1H)。
步骤5:化合物8-6的合成
将化合物8-5(0.3g,456.50μmol)溶于二氯甲烷(6mL),将伯吉斯试剂(217.57mg,913.00μmol)加入到反应体系,反应在25℃搅拌12h。反应用饱和碳酸氢钠溶液淬灭(10mL),二氯甲烷萃取(10mL)×2,无水硫酸钠干燥,过滤,浓缩得到的纯品经硅胶柱层析(二氯甲烷:甲醇=20:1,v/v)纯化得到化合物8-6。1H NMR(400MHz,CD3OD)δ=7.85-7.87(m,1H),7.82-7.85(m,1H),7.74-7.78(m,1H),7.40-7.51(m,2H),5.13-5.28(m,1H),4.72-4.79(m,2H),4.66-4.72(m,2H),3.69-3.76(m,1H),3.57-3.66(m,2H),3.48-3.56(m,4H),3.26-3.31(m,1H),3.22(q,J=7.30Hz,1H),2.56-2.62(m,4H),2.41-2.54(m,1H),1.66-1.70(m,2H),1.41-1.51(m,11H),1.28-1.35(m,2H)。
步骤6:化合物8的合成
将化合物8-6(0.25g,391.14μmol)溶于乙腈(6mL),将对甲苯磺酸一水合物(372.01mg,1.96mmol)加入到反应体系,反应在16℃下搅拌12h。反应液直接用饱和碳酸氢钠溶液淬灭(10mL),乙酸乙酯萃取(10mL×3),合并有机相并用无水硫酸钠干燥,过滤,浓缩。粗品经制备HPLC(色谱柱:Waters Xbridge Prep OBD C18 150*40mm*10μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:30%-60%乙腈)分离得到化合物8。MS-ESI m/z:[M+1]+=539.2。1H NMR(400MHz,CD3OD)δ=7.85-7.87(m,1H),7.82-7.85(m,1H),7.75-7.79(m,1H),7.48-7.51(m,1H),7.42-7.47(m,1H),5.11-5.16(m,1H),4.73-4.78(m,2H),4.66-4.71(m,2H),3.57-3.66(m,1H),3.49-3.56(m,4H),3.45-3.49(m,1H),3.36(br d,J=6.88Hz,1H),3.25-3.32(m,1H),3.16-3.20(m,1H),2.59(br t,J=4.63Hz,4H),2.47(br s,1H),1.54-1.72(m,2H),1.41-1.51(m,2H),1.16-1.25(m,1H),1.06-1.14(m,1H)。
实施例9
合成路线:
步骤1:化合物9-2的合成
将化合物1-11(2.29g,16.11mmol)和化合物9-1(2g,13.42mmol)溶于N,N-二甲基甲酰胺(40mL)中,加入N,N-二异丙基乙胺(2.08g,16.11mmol),置换氮气三次,80℃搅拌2hr。反应结束,向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(20mL×3)萃取,合并有机相用饱和食盐水(40mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,通过柱层析色谱(二氯甲烷:甲醇=100:1~20:1,v/v)纯化得化合物9-2。MS(ESI)m/z:[M+1]+=255.2。
步骤2:化合物9-3的合成
将化合物1-9(801.75mg,1.57mmol)和化合物9-2(0.4g,1.57mmol)溶于乙腈(20mL)和水(4mL)中,加入碳酸钾(217.04mg,1.57mmol),置换氮气三次,加入[1,1-双(二苯基膦)二茂铁]二氯化钯
二氯甲烷(256.49mg,314.08μmol),置换氮气三次,80℃搅拌16hr。向反应液中加入饱和碳酸氢钠溶液(20mL),乙酸乙酯(20mL×3)萃取,合并有机相用饱和食盐水(40mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,通过柱层析(二氯甲烷:甲醇=100:0~98:2,v/v)纯化得化合物9-3。MS(ESI)m/z:[M+1]+=624.2。
步骤3:化合物9-4的合成
将化合物9-3(0.858g,1.38mmol)溶于无水二氯甲烷(9mL)中,加入伯吉斯试剂(655.65mg,2.75mmol),20℃搅拌2hr。向反应液中加入饱和碳酸氢钠溶液(10mL),二氯甲烷(10mL×3)萃取,合并有机相用饱和食盐水(10mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩得到化合物9-4。MS(ESI)m/z:[M+1]+=606.3。
步骤4:化合物9的合成
将化合物9-4(0.9g,1.49mmol)溶于乙腈(9mL),加入对甲苯磺酸(1.41g,7.43mmol),20℃搅拌16hr。向反应液中加入水(20mL),乙酸乙酯(20mL×3)萃取,水相用饱和碳酸氢钠溶液调节pH=9,二氯甲烷(20mL×3)萃取,合并有机相用无水硫酸钠干燥,过滤,减压浓缩,粗品经HPLC(色谱柱:Waters Xbridge BEH C18 250*50mm*10μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:20%-50%乙腈)纯化得到化合物9。MS(ESI)m/z:[M+1]+=506.2。1H NMR(400MHz,CDCl3)δ=8.34-8.31(m,1H),8.30-8.23(m,1H),8.14-8.10(m,1H),7.79-7.72(m,2H),7.42-7.35(m,1H),5.20-5.11(m,1H),4.75-4.66(m,4H),3.80-3.72(m,4H),3.61-3.52(m,1H),3.51-3.47(m,1H),3.29-3.18(m,3H),2.52-2.47(m,4H),1.73-1.58(m,3H),1.52-1.41(m,2H),1.41-1.33(m,1H),1.19-1.12(m,1H),1.10-1.04(m,1H)。
实施例10
合成路线:
步骤1:化合物10-2的合成
将化合物10-1(1.83g,7.11mmol)和化合物1-11(1.01g,7.11mmol)与二异丙基乙胺(2.76g,21.33mmol)溶于N,N-二甲基甲酰胺(80mL),反应液直接升温到100℃并搅拌12h。反应液用水(100mL)淬灭,乙酸乙酯萃取(20mL×2),无水硫酸钠干燥,过滤,浓缩得到的粗品经柱层析色谱(石油醚:乙酸乙酯=0:1,v/v)得到化合物10-2。MS(ESI)m/z:[M+1]+=379.99。1H NMR(400MHz,CD3OD)δ=8.10(d,J=8.00Hz,1H),6.80(d,J=8.00Hz,1H),4.71-4.76(m,2H),4.63-4.69(m,2H),3.60(quin,J=6.38Hz,1H),3.32-3.38(m,4H),2.50-2.59(m,4H)。
步骤2:化合物10-3的合成
将碘化亚铜(50.17mg,263.42μmol),无水氟化钾(229.56mg,3.95mmol),1,10-菲罗啉(47.47mg,263.42μmol)和化合物10-2(0.5g,1.32mmol)溶于二甲基亚砜(10mL)中,向此反应液中加入(三氟甲基)三甲基硅烷(3.75g,26.34mmol)和硼酸三甲酯(3.95mmol,446.29μL)。反应在氮气保护的封管内,100℃下搅拌12h。将反应液用水(30mL淬灭),乙酸乙酯萃取(10mL×3),合并有机相并用无水硫酸钠干燥,过滤,浓缩得到的粗品经硅胶柱层析(石油醚:乙酸乙酯=1:1,v/v)得到化合物10-3。MS(ESI)m/z:[M+1]+=322.09。
步骤3:化合物10-4的合成
将化合物1-9(418.94mg,932.47μmol)和化合物10-3(0.15g,466.24μmol)溶于乙腈(12mL)和水(3mL)中,将碳酸钾(193.32mg,1.40mmol)加入到反应体系,然后将1,1-双(二苯膦基)二茂铁二氯化钯(II)二氯甲烷复合物(76.15mg,93.25μmol)加入到反应体系,氮气置换,升温到80℃并搅拌12h。反应液直接用水(20mL)稀释,乙酸乙酯萃取(15mL),有机相用无水硫酸钠干燥,过滤,浓缩,得到的粗品经硅胶柱层析(石油醚:乙酸乙酯=0:1,v/v)得到化合物10-4。MS(ESI)m/z:[M+1]+=691.32。
步骤4:化合物10-5的合成
将化合物10-4(315.32mg,456.50μmol)溶于二氯甲烷(6mL),将伯吉斯试剂(217.57mg,913.00μmol)加入到反应体系,反应在25℃搅拌12h。反应用饱和碳酸氢钠溶液淬灭(10mL),二氯甲烷萃取(10mL×2),无水硫酸钠干燥,过滤,浓缩得到的粗品经硅胶柱层析(二氯甲烷:甲醇=20:1,v/v)得到化合物10-5。MS(ESI)m/z:[M+1]+=673.3。
步骤5:化合物10的合成
将化合物10-5(0.3g,445.96μmol)溶于乙腈(8mL),将一水和对甲苯磺酸(424.14mg,2.23mmol)加入到反应体系,反应在16℃下搅拌12h。反应液直接用饱和碳酸氢钠溶液淬灭(10mL),乙酸乙酯萃取(10mL×3),合并有机相并用无水硫酸钠干燥,过滤,浓缩,得到的粗品经过制备HPLC(色谱柱:Waters Xbridge Prep OBD C18 150*40mm*10μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:30%-60%乙腈)分离得到化合物10。MS(ESI)m/z:[M+1]+=573.25。1H NMR(400MHz,DMSO-d6)δ=8.67(d,J=8.63Hz,1H),8.09-8.15(m,1H),7.90-7.98(m,2H),7.75(d,J=8.00Hz,1H),7.46-7.55(m,1H),5.01-5.11(m,1H),4.53-4.59(m,2H),4.45-4.50(m,2H),3.44-3.52(m,1H),3.32-3.39(m,6H),3.29(br d,J=4.00Hz,2H),3.04-3.09(m,1H),2.39-2.46(m,4H),2.32(br s,1H),1.45-1.55(m,2H),1.30-1.41(m,2H),0.97-1.04(m,1H),0.89-0.95(m,1H)。
实施例11
合成路线:
步骤1:化合物11-2的合成
将化合物11-1(2g,9.50mmol)与化合物1-11(1.35g,9.50mmol)溶于N,N-二甲基甲酰胺(20mL)中,加入N,N-二异丙基乙胺(2.46g,19.01mmol,3.31mL),100℃反应16hr。将反应液中加入饱和碳酸氢钠溶液(20mL),加入乙酸乙酯(20mL)萃取三次,合并有机相后加入饱和食盐水溶液(20mL)萃取6次后合并有机相,干燥后减压浓缩得到化合物11-2。MS(ESI)m/z:[M+1]+=332.6。
步骤2:化合物11-3的合成
将化合物11-2(1.5g,4.51mmol)与甲基硼酸(296.94mg,4.96mmol)溶于1,4-二氧六环(20mL)中,加入碳酸钾(2M,6.76mL)氮气置换三次,加入[1,1’-双(二苯基膦)二茂铁]二氯化钯二氯甲烷络合物(405.10mg,496.06μmol)后氮气置换三次,在60℃搅拌16hr。将反应液加水(25mL)淬灭,加入二氯甲烷(20mL)萃取三次,合并有机相后加入饱和食盐水(20mL)萃取洗涤一次,干燥后减压浓缩。经柱层析(二氯甲烷:甲醇=20:1,v/v)纯化得到化合物11-3。MS(ESI)m/z:[M+1]+=267.8。
步骤3:化合物11-4的合成
将化合物1-9(1.01g,2.24mmol)和化合物11-3(200mg,746.95μmol)溶于1,4-二氧六环(5mL),加入碳酸钠(2M,746.95μL)和[1,1’-双(叔丁基膦)二茂铁]氯化钯(48.68mg,74.70μmol),100℃搅拌16hr。将反应液直接减压浓缩得到粗品,粗品经硅胶柱层析法分离(二氯甲烷:甲醇=100:0~97:3,v/v)纯化得到化合物11-4。1H NMR(400MHz,DMSO-d6)δ=7.79(br d,J=9.1Hz,2H),7.60-7.55(m,1H),7.51(br d,J=8.0Hz,1H),7.23(br s,2H),4.63-4.57(m,2H),4.53-4.46(m,2H),4.31(t,J=5.4Hz,5H),3.54(br d,J=4.1Hz,1H),3.21(br s,4H),2.45(br s,4H),2.37(br s,1H),2.26(s,3H),1.41(s,9H),1.31-1.20(m,8H)。[M+1]+=637.3。
步骤4:化合物11-5的合成
将化合物11-4(520mg,816.64μmol)溶于二氯甲烷(9.8mL),加入伯吉斯试剂(389.22mg,1.63mmol),20℃搅拌16hr。向反应中加入饱和碳酸氢钠溶液(10mL)和饱和食盐水(5mL),分液,二氯甲烷(20mL)萃取水相一次,合并有机相,经饱和碳酸氢钠溶液(5mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,得到的粗品经柱层析(二氯甲烷:甲醇=20:1~15:1,v/v)纯化得到化合物11-5。MS(ESI)m/z:[M+1]+=619.3。
步骤5:化合物11的合成
将化合物11-5(400mg,646.48μmol)溶于乙腈(10mL),加入一水合对甲苯磺酸(556.62mg,3.23mmol),20℃搅拌16hr。向反应液中加入碳酸钠溶液调节溶液pH为8-9,搅拌2min后,加入10mL乙酸乙酯,分液,水相再经乙酸乙酯(10mL)萃取两次,合并有机相,有机相用10mL饱和食盐水洗涤。有机相用无水硫酸钠干燥,过滤,减压浓缩得到粗品。粗品经制备HPLC(Waters Xbridge BEH C18 250*50mm*10μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:30%-60%乙腈)纯化分离得到化合物11。1H NMR(400MHz,DMSO-d6)δ=8.72-8.61(m,1H),7.91-7.80(m,2H),7.56(q,J=7.8Hz,2H),7.43(t,J=8.1
Hz,1H),5.10-4.97(m,1H),4.62-4.55(m,2H),4.49(t,J=6.1Hz,2H),3.48(quin,J=6.2Hz,1H),3.32-3.24(m,2H),3.23-3.15(m,4H),3.06(s,1H),2.44(br s,4H),2.33(br s,1H),2.26(s,3H),1.57-1.25(m,5H),1.12-0.87(m,2H)。MS(ESI)m/z:[M+1]+=519.3。
实施例12
合成路线:
步骤1:化合物12-2的合成
将化合物12-1(1g,3.92mmol)溶于N,N-二甲基甲酰胺(10mL),加入化合物1-11(557.90mg,3.92mmol)和碳酸钾(1.08g,7.85mmol),氮气保护,120℃搅拌反应12hr。将反应液倒入18%的食盐水(60mL)中,水相用乙酸乙酯(35mL×3)萃取,合并有机相,有机相用5%的柠檬酸(25mL×3)洗涤,收集水相,水相用饱和碳酸钠溶液调pH至8,乙酸乙酯(35mL×2)萃取,合并有机相,先用18%的食盐水(35mL×3)洗涤,再用饱和食盐水(35mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩得粗品。粗品通过快速柱层析分离(EA/PE=0~30%)纯化得到化合物12-2。1H NMR(400MHz,DMSO-d6)δ:7.47(dd,J=13.20,8.08Hz,1H),6.99(dd,J=8.12,2.36Hz,1H),4.58-4.52(m,2H),4.48-4.43(m,2H),3.47-3.40(m,5H),2.40-2.33(m,4H)。
步骤2:化合物12-3的合成
将化合物12-2(640mg,2.02mmol)和化合物1-9(1.31g,2.53mmol)溶于乙腈(18mL)和水(4.5mL),加入碳酸钾(839.31mg,6.07mmol),氮气置换三次,加入1,1-双(二苯膦基)二茂铁二氯化钯(II)二氯甲烷复合物(330.61mg,404.85μmol),氮气保护,80℃搅拌反应12hr。向反应液中加入乙酸乙酯(100mL)和18%的食盐水(60mL),分液收集有机相,水相用乙酸乙酯(40mL×2)萃取。合并有机相,用饱和食盐水(100mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩得到化合物12-3。1H NMR(400MHz,CDCl3)δ:7.72-7.60(m,2H),7.34-7.24(m,2H),7.16(dd,J=7.96,1.80Hz,1H),6.90(s,1H),6.80-6.72(m,1H),5.55(s,1H),4.81-4.74(m,1H),4.72-4.66(m,4H),3.69(s,1H),3.67-3.61(m,4H),3.60-3.51(m,1H),3.37-3.25(m,1H),3.15(dd,J=13.88,8.76Hz,1H),2.72(br s,1H),2.57-2.42(m,4H),1.76-1.57(m,3H),1.51-1.41(m,3H),1.39(s,9H)。
步骤4:化合物12-4的合成
将化合物12-3(400mg,624.30μmol)溶于无水二氯甲烷(5mL),加入N-甲基吗啡啉(378.89mg,3.75
mmol,411.83μL),降温至内温为0~5℃,控温不高于10℃滴加三氟乙酸酐(393.36mg,1.87mmol,260.33μL),滴加完毕,缓慢升温至20℃,搅拌反应0.25hr。向反应液中加入二氯甲烷(10mL)稀释,倒入饱和碳酸氢钠水溶液(20mL)中,分液收集有机相,水相用二氯甲烷(20mL×2)萃取。合并有机相,用饱和食盐水(10mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩除去溶剂。粗品经硅胶柱(EA:PE=0~30%,v/v)纯化得到化合物12-4。1H NMR(400MHz,DMSO-d6)δ:8.78(d,J=8.36Hz,1H),7.82(dd,J=6.24,1.64Hz,2H),7.65-7.57(m,1H),7.49(d,J=2.24Hz,1H),7.47(br d,J=2.36Hz,1H),5.11(q,J=8.20Hz,1H),4.08(s,1H),3.55-3.49(m,6H),3.45(t,J=6.32Hz,1H),3.28-3.09(m,3H),2.43-2.40(m,5H),2.38(s,1H),2.31(d,J=2.25Hz,1H),1.74-1.46(m,6H),1.31(s,9H)。
步骤5:化合物12的合成
将化合物12-4(370mg,594.18μmol)溶于乙腈(12mL),加一水合对甲苯磺酸(565.12mg,2.97mmol),氮气置换三次,室温下搅拌15hr。反应结束后,向反应液中加入二氯甲烷(80mL)稀释,用饱和碳酸氢钠水溶液(40mL x 2)洗涤,分液收集有机相,水相用二氯甲烷(40mL)萃取。合并有机相,用18%食盐水(50mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩得粗品。粗品经制备HPLC(色谱柱:Waters Xbridge Prep OBD C18 150*40mm*10μm;流动相:[H2O(10mM NH4HCO3)–乙腈];梯度:30%-60%乙腈)得到化合物12。MS(ESI)m/z:[M+H]+=523.2。1H NMR(400MHz,DMSO-d6)δppm 8.66(d,J=8.40Hz,1H),7.93-7.70(m,2H),7.59(dd,J=13.04,8.16Hz,1H),7.48(dd,J=8.16,2.36Hz,1H),7.43(t,J=8.08Hz,1H),5.11-4.97(m,1H),4.60-4.44(m,4H),3.56-3.49(m,4H),3.46(quin,J=6.28Hz,1H),3.31-3.20(m,3H),3.06(s,1H),2.44-2.39(m,4H),2.33(s,1H),1.57-1.43(m,2H),1.41-1.29(m,2H),1.06-0.88(m,2H)。
实施例13
合成路线:
步骤1:化合物13-2的合成
将化合物13-1(5g,31.34mmol)溶于二氯甲烷(100mL)中,降温至-20℃,滴加化合物二乙氨基三氟化硫(8.28mL,62.68mmol),滴加完毕后,缓慢恢复至20℃搅拌反应3小时。反应完毕,将反应液缓慢倒入饱和碳酸钠水溶液(50mL)中,加入乙酸乙酯(100mL)稀释,分液收集有机相,水相用乙酸乙酯(50mL x 1)萃取。合并有机相,有机相用饱和食盐水(50mL x 2)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩除去溶剂。所得残余物经过柱层析色谱法(洗脱剂:石油醚/乙酸乙酯=1/0~4/1,v/v)分离得到化合物13-2。1H NMR(400MHz,DMSO-d6)δ=8.28(t,J=8.80Hz,1H),7.67(d,J=8.00Hz,1H),7.40-7.03(m,1H)。
步骤2:化合物13-3的合成
将化合物13-2(600mg,3.03mmol)和化合物1-9(1.88g,3.42mmol)溶于二氧六环(21mL)和水(7mL)中,后加入碳酸钠(963.56mg,9.09mmol),氮气置换三次,后加入四三苯基膦钯(350.17mg,303.03μmol),反应在80℃搅拌反应12小时。合并处理,向反应液加入水(30mL)和乙酸乙酯(30mL)稀释,分
液收集有机相,水相用乙酸乙酯(20mL×2)萃取。合并有机相,用饱和食盐水(20mL×2)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩除去溶剂。经硅胶柱层析法分离(洗脱剂:PE:EA=100:0~35:65,v/v)纯化得到粗品13-3。
步骤2:化合物13-4的合成
将化合物13-3(1.3g,2.29mmol)和化合物1-11(1.30g,9.17mmol)溶于N,N-二甲基甲酰胺(13mL)中,加入N,N-二异丙基乙胺(16.05mmol,2.80mL)和4-二甲氨基吡啶(28.01mg,229.28μmol),氮气保护,100℃搅拌反应12hr。反应完成后,将反应液倒入水(80mL)中,加入乙酸乙酯(50mL)稀释,分液收集有机相,水相用乙酸乙酯(40mL×3)萃取。合并有机相,用半饱和食盐水(30mL×2)洗涤,再用饱和食盐水(30mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩除去溶剂。经硅胶柱层析分离(洗脱剂:PE:EA=1:0~0:1,v/v)纯化得到化合物13-4。1H NMR(400MHz,DMSO-d6)δ:8.01(d,J=8.00Hz,1H),7.89-7.71(m,4H),7.46-7.30(m,2H),7.28-7.20(m,2H),7.10–6.94(m,1H),4.59-4.55(m,2H),4.51-4.45(m,2H),4.03–3.98(m,1H),3.55-3.46(m,2H),3.31-3.26(m,4H),3.25-3.06(m,1H),3.01-2.87(m,1H),2.49-2.44(m,4H),2.36(s,1H),1.68-1.46(m,4H),1.39(s,6H),1.24(s,5H)。
步骤3:化合物13-5的合成
将化合物13-4(420mg,624.32μmol)溶于二氯甲烷(5mL),加入N-甲基吗啡啉(378.89mg,3.75mmol,411.83μL),降温至内温为0~5℃,控温不高于10℃滴加三氟乙酸酐(393.38mg,1.87mmol,260.34μL),滴加完毕,缓慢升温至20℃,搅拌反应1hr。反应完成后,向反应液中加入二氯甲烷(5mL)稀释,倒入饱和碳酸氢钠水溶液(30mL)中,分液收集有机相,水相用二氯甲烷(15mL×3)萃取。合并有机相,用18%的食盐水(20mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩除去溶剂。经硅胶柱层析分离(洗脱剂:PE:EA=1:0~3:2,v/v)纯化得到产品13-5。1H NMR(400MHz,CDCl3)δ:8.19-8.08(m,1H),7.98(d,J=8.00Hz,1H),7.81(d,J=11.2Hz,2H),7.49(d,J=8.00Hz,1H)7.42-7.30(m,1H),6.85(t,J=54.8Hz,1H),5.30-5.06(m,1H),4.71(quin,J=6.40Hz,4H),4.05-3.95(m,1H),3.79-368(m,1H),3.61(quin,J=6.40Hz,1H),3.43-3.34(m,4H),3.32-3.10(m,2H),2.99-2.83(m,1H),2.57-2.51(m,4H),1.81-1.59(m,3H),1.56-1.32(m,12H)。
步骤4:化合物13的合成
将化合物13-5(100mg,152.74μmol)溶于乙腈(3mL)中,加入一水合对甲苯磺酸(145.27mg,763.68μmol),氮气保护,20℃搅拌反应12小时。将反应液倒入饱和碳酸氢钠水溶液(20mL)中,加入二氯甲烷(20mL)稀释,分液收集有机相,有机相用饱和碳酸氢钠水溶液(20mL×2)洗涤,水相用二氯甲烷(15mL)萃取。合并有机相,用18%的食盐水(30mL)洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩除去溶剂。粗品经制备HPLC分离(色谱柱:Waters Xbridge BEH C18 100*30mm*10μm;流动相:10mM NH4HCO3水溶液-乙腈;梯度:乙腈30%-60%)纯化得到化合物13。1H NMR(400MHz,DMSO-d6)δ:8.69(d,J=8.00Hz,1H),8.03(d,J=8.00Hz,1H),7.97-7.87(m,2H),7.76(d,J=8.00Hz,1H),7.55-7.45(m,1H),7.09(t,J=54.00Hz,1H),5.10–4.99(m,1H),4.60-4.53(m,2H),4.52-4.45(m,2H),3.49(quin,J=6.40Hz,1H),3.35(s,1H),3.32-3.26(m,7H),3.08(s,1H),2.48-2.45(m,4H),2.36-2.31(m,1H),1.57-1.29(m,4H),1.06–0.89(m,2H)。
实施例14
合成路线:
步骤1:化合物14-2的合成
将化合物14-1(2g,8.15mmol)溶于乙腈(30mL),加入N-甲基咪唑(2.01g,24.46mmol),搅拌30min,加入N,N,N,N-四甲基氯甲脒六氟磷酸盐(2.75g,9.79mmol)和化合物1-5(2.13g,8.15mmol),20℃搅拌16hr。先将反应液过滤,滤液减压浓缩除去乙腈,向浓缩物中加入水(200mL),用乙酸乙酯(200mL2)萃取,合并有机相,用饱和食盐水溶液(200mL*3)洗涤,用无水硫酸钠干燥,过滤,减压浓缩得粗品。粗品经硅胶柱层析分离(二氯甲烷:甲醇=100:1~95:5,v/v)纯化得到化合物14-2。
步骤2:化合物14-3的合成
将化合物14-2(2.15g,4.40mmol)和化合物1-8(1.29g,5.72mmol)溶于二氧六环(15mL)中,加入乙酸钾(1.73g,17.61mmol),置换氮气3次,加入1,1’-双(二苯基磷)二茂铁]二氯化钯二氯甲烷络合物(359.53mg,440.26μmol),置换氮气三次,70℃搅拌反应16hr。反应液降温至室温,减压浓缩,粗品通过硅胶柱层析分离(二氯甲烷:甲醇=100:1~95:5,v/v)纯化得化合物14-3。
步骤3:化合物14-4的合成
将化合物14-3(1.3g,2.87mmol)和化合物1-12(727.70mg,2.87mmol)溶于乙腈(52mL)和水(13mL)中,加入碳酸钾(1.19g,8.60mmol),置换氮气三次,加入1,1’-双(二苯基磷)二茂铁]二氯化钯二氯甲烷络合物(234.22mg,286.81μmol),置换氮气三次,升温至80℃,并搅拌3hr。将反应液冷却至室温,再向反应液中加入饱和碳酸氢钠溶液(20mL),用乙酸乙酯(50mL*2)萃取,合并有机相用饱和食盐水溶液(100mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,粗品经硅胶柱层析分离(二氯甲烷:甲醇=100:1~98:3,v/v)纯化得到化合物14-4。1H NMR(400MHz,DMSO-d6)δ=7.80-7.72(m,2H),7.60-7.54(m,2H),7.51-7.45(m,1H),7.30(br t,J=7.9Hz,1H),7.24(br d,J=7.4Hz,2H),6.85-6.79(m,1H),4.60-4.54(m,2H),4.51-4.44(m,2H),4.35-4.18(m,1H),3.98-3.74(m,2H),3.64-3.52(m,5H),3.51-3.38(m,2H),3.23-3.02(m,3H),2.98-2.86(m,2H),2.43-2.32(m,4H),1.83-1.66(m,2H),1.44-1.28(m,9H)。
步骤4:化合物14-5的合成
将化合物14-4(918mg,1.46mmol)溶于二氯甲烷(10mL)中,加入伯吉斯试剂(698.13mg,2.93mmol),20℃搅拌16hr。向反应液中加入饱和碳酸钠(20mL),乙酸乙酯(50mL*2)萃取,合并有机相,用饱和食盐水溶液(100mL)洗涤,无水硫酸钠干燥,过滤,减压浓缩,得到化合物14-5。
步骤5:化合物14的合成
将化合物14-5(690mg,1.13mmol)溶于乙腈(15mL)中,加入一水合对甲苯磺酸(976.01mg,5.67
mmol),20℃搅拌16hr。向反应液中加入饱和碳酸钠溶液调节pH=10,用二氯甲烷(20mL*2)萃取,合并有机相用无水硫酸钠干燥,过滤,减压浓缩,粗品经制备HPLC分离(色谱柱:Phenomenex luna C18 100*40mm*3μm;流动相:[H2O(10mM NH4HCO3)-乙腈];梯度:25%-55%乙腈)纯化,得化合物14。MS(ESI)m/z:[M+H]+=509.2。1H NMR(400MHz,DMSO-d6)δ=8.75-8.65(m,1H),7.87-7.78(m,2H),7.63(t,J=8.0Hz,1H),7.43(t,J=8.0Hz,1H),7.27(d,J=7.4Hz,1H),6.88-6.81(m,1H),5.09-5.00(m,1H),4.61-4.53(m,2H),4.48(t,J=5.9Hz,2H),4.03-3.96(m,1H),3.89-3.81(m,1H),3.72(ddd,J=3.9,8.0,12.2Hz,1H),3.65-3.54(m,4H),3.48-3.38(m,1H),3.31-3.25(m,1H),3.24-3.14(m,1H),3.08-2.99(m,1H),2.81-2.71(m,1H),2.64-2.52(m,2H),2.38(br d,J=4.4Hz,5H),1.82-1.61(m,2H)。
实施例15:化合物12的A晶型的制备
在25℃向反应瓶中加入化合物12(51mg,0.098mmol)和甲醇(0.3mL),反应液在25℃搅拌72小时。XRPD检测显示反应完成,过滤,收集滤饼,真空干燥,得到化合物12的A晶型。化合物12的A晶型的XRPD、DSC、TGA和DVS检测结果依次如图6、7、8和9所示。
实施例16:化合物12的B晶型的制备
在25℃向反应瓶中加入化合物12(57.4mg,0.11mmol)和丙酮(0.15mL),将反应液升温至50℃,体系变澄清,加入乙醇(5mL),然后将反应液降温至25℃,搅拌12hr。XRPD检测显示反应完成,过滤,收集滤饼,真空干燥,得到化合物12的B晶型。化合物12的B晶型的XRPD、DSC和TGA检测结果依次如图10、11和12所示。
实施例17:化合物12的C晶型的制备
在25℃向反应瓶中加入化合物12(53.5mg,0.102mmol)和丙酮(0.2mL),将反应液升温至50℃,体系变澄清,加入水(0.6mL),然后将反应液降温至25℃,搅拌12hr。XRPD检测显示反应完成,过滤,收集滤饼,真空干燥,得到化合物12的C晶型。化合物12的C晶型的XRPD、DSC和TGA检测结果依次如图13、14和15所示。
实施例18:化合物12的A晶型的吸湿性研究
实验材料:
SMS DVS Advantage动态蒸汽吸附仪
实验方法:
取化合物12的A晶型10~15mg置于DVS样品盘内进行测试。
引湿性评价分类见表8。
表8引湿性评价分类表
注:ΔW%表示受试品在25±1℃和80±2%RH下的吸湿增重
实验结果:
化合物12的A晶型的DVS谱图如图9所示,化合物12的A晶型在25±1℃和80±2%RH下的吸湿增重为1.633%。
实验结论:化合物12的A晶型略有吸湿性,其XRPD在DVS实验前后无变化。
实施例19:化合物12的A晶型的固体预稳定性试验
依据《原料药与制剂稳定性试验指导原则》(中国药典2020版四部通则9001),为评估化合物12的A晶型的固体稳定性,对A晶型进行了影响因素(高温、高湿)的稳定性考察。将化合物1的A晶型分别在40℃/75%RH(敞口)和60℃/75%RH(敞口)条件下放置10天。对所有稳定性样品进行了XRPD和HPLC纯度测试,HPLC仪器信息及分析方法见表9,结果如表10所示。
表9 HPLC仪器信息及分析方法
表10化合物12的A晶型的固体稳定性试验结果
实验结论:化合物12的A晶型具有良好的化学稳定性和晶型稳定性。
生物学活性评估:
实验例1:DPP1酶活性的抑制效应测试
实验材料:
重组人源组织蛋白酶C/DPP1购自R&D Systems;
重组人源组织蛋白酶L(rhCathepsin L)购自R&D Systems;
Gly-Arg-AMC(盐酸盐)购自CAYMAN CHEMICAL COMPANY。
实验方法:
1X激活缓冲液:5mM DTT 0.01%(V/V)Triton X-100(现用现配);
1X实验缓冲液:50mM NaCl 5mM DTT 0.01%(V/V)Triton X-100(现用现配);
使用1X激活缓冲液将重组人源组织蛋白酶C/DPP1酶和重组人源组织蛋白酶L(rhCathepsin L)酶分别稀释到浓度2ng/μL和0.4ng/μL;取相等体积的两个酶工作液混匀后置于25℃孵育60分钟;
将待测化合物用排枪进行5倍稀释至第8个浓度,即从1mM稀释至12.8nM。再用1X实验缓冲液将待测化合物各梯度稀释成DMSO为4%的工作液,5μL/孔加到对应孔中,设置双复孔实验。1000转,离心1分钟;
取5μL/孔孵育结束后的酶混合液加入到白色微孔板中,此时每孔中DPP1酶量为5ng;空白对照孔加入5μL/孔1X实验缓冲液;
用1X实验缓冲液将Gly-Arg-AMC(盐酸盐)稀释到25μM,取10μL/孔加入到白色微孔板中,此时底物浓度为12.5μM,微孔板在离心机上1000转离心1分钟,此时化合物浓度从10μM至0.128nM,离心完毕后,微孔板贴膜,在25℃中孵育60分钟;
结束孵育后采用多标记分析仪进行荧光检测,激发波长360nm,发射波长460nm。
数据分析:
利用方程式(Sample-Min)/(Max-Min)×100%将原始数据换算成酶活,IC50的值即可通过四参数进行曲线拟合得出(GraphPad Prism中log(inhibitor)vs.response--Variable slope模式得出)。
Max:含有重组人源组织蛋白酶C/DPP1,重组人源组织蛋白酶L(rhCathepsin L)和Gly-Arg-AMC(盐酸盐)
Min:不含有重组人源组织蛋白酶C/DPP1和重组人源组织蛋白酶L(rhCathepsin L)
本发明的化合物对DPP1酶的抑制活性测试结果见表11。
表11本发明化合物对DPP1酶的抑制活性测试结果
实验结论:本发明化合物对DPP1酶有显著的抑制活性。
实验例2:U937细胞抑制DPP1活性测试实验
实验材料见表12。
表12实验材料表
实验方法:
1)用含有10%FBS、1%PS的RPMI1640培养基培养U937细胞。
2)当细胞在T75培养瓶中密度达到1-1.5*106cells/mL时,收集细胞。
3)将密度为3750细胞/20μL/孔细胞悬液种于384孔板中,通过声波液体处理系统(echo)将20nL稀释好的化合物加入到细胞板中,使DMSO的最终浓度0.1%,化合物的起始浓度为500nM起始,3倍浓度稀释,9个浓度点。在37℃5%CO2培养箱中培养1个小时。
4)通过echo加入100nL终浓度为100μM的底物Gly-Phe-AFC,在37℃5%CO2培养箱中培养1个小时。
5)使用BMG酶标仪读取荧光值,激发光波长为400nm,发射光波长为505nm。
以DMSO孔作为阴性对照,阳性化合物的最高浓度点作为阳性对照,分析数据。
数据分析:
使用XLFIT软件用以下非线性拟合公式来得到化合物的IC50(半数抑制浓度):
Y=Bottom+(Top-Bottom)/(1+10^((LogIC50-X)×HillSlope))
X:化合物浓度log值
Y:抑制率(%inhibition)
抑制率(%)=100×(阴性对照平均值-化合物读值)/(阴性对照平均值-阳性对照平均值)
阴性对照:DMSO即为High control
阳性对照:化合物最高浓度即为Low control
本发明的化合物对U937细胞DPP1的抑制活性见表13。
表13本发明化合物对U937细胞DPP1的抑制活性测试结果
实验结论:本发明化合物对U937细胞DPP1有显著的抑制活性。
实验例3:本发明化合物的小鼠的药代动力学评估
本研究选用C57BL/6J雄性小鼠受试动物,应用LC/MS/MS法定量测定了小鼠经口服和注射给予测试化合物,在不同时间点的血浆药物浓度,以评价受试药物在小鼠体内的药代动力学特征。
将试验化合物溶液经灌胃给予小鼠体内(过夜禁食,6-8周龄)。动物给药后于在0.083、0.25、0.5、1、2、4、8、12及24小时分别采血25μL,置于预先加有EDTA-K2的商品化抗凝管中,4℃,3200g离心10min取血浆,血浆样品经处理后,采用LC-MS/MS法测定血药浓度。实验结果见表14。
表14本发明化合物的小鼠药代动力学参数
实验结论:本发明化合物在C57BL/6J雄性小鼠药代动力学中表现出较好的生物利用度,较高的药时曲线下面积和较低的清除率。
实验例4:大鼠药代动力学评估及终点组织分布实验
本研究选用SD雄性大鼠受试动物,应用LC/MS/MS法定量测定了大鼠经口服和注射给予测试样品在不同时间点的血浆、骨髓中的药物浓度及终点的靶组织骨髓组织浓度,以评价受试药物在大鼠体内的药代动力学特征。
将试验化合物溶液经灌胃给予大鼠体内(过夜禁食)。动物给药后于在0.25、0.5、1、2、4、6及24小时分别采血25μL,置于预先加有EDTA-K2的商品化抗凝管中,4℃,3200g离心10min取血浆,血浆样品经处理后,采用LC-MS/MS法测定血药浓度。并于0.5、2、6、和24小时分别处死部分动物,采集骨髓组织,骨髓样品经处理后,采用LC-MS/MS法测定骨髓浓度。
测试结果见表15。
表15本发明化合物的在大鼠中的药代动力学参数及骨髓/血浆分布测试结果
实验结论:本发明化合物在大鼠终点血浆和靶组织骨髓浓度评估中展示出更高的骨髓与血浆比例,在靶组织骨髓有更多的分布,预示外周DPP1酶活带来掌跖角化-牙周破坏综合征(PLS)风险较低。
实验例5:大鼠连续给药检测骨髓中性粒细胞弹性蛋白酶(NE)活性及伴随血浆PK分析的体内药效实验
实验目的:探索口服给予受试样品对健康大鼠骨髓NE活性的药效学研究。
实验动物:实验采用雄性SPF级Sprague-Dawley大鼠,体重200到300g之间。
药物配置:溶媒为5%DMSO/95%(10%羟丙基-β-环糊精(HP-β-CD)水溶液()
实验操作:
实验动物进行分组给药,大鼠每天灌胃给药两次,两次给药间隔8小时。每天仅需0小时给药前称重一次,晚上8小时给药可以使用早上的体重,连续灌胃8天,在第7天首次给药后进行伴随PK样品采集,用于化合物浓度的测定。在第9天首次给药后两小时收集终点骨髓,用于骨髓中性粒细胞弹性蛋白酶(NE)活性检测。溶媒组又称为正常组。
在第7天第一次给药后以交叉采血的方式通过颈静脉穿刺方式分别在0.5、1、2、4、8(第七天第二次给药前)、12、24h(第八天给药前)取血,所有用于制备血浆的血样立即转移至贴有标签的含K2-EDTA的商品化离心管中。血样采集后,4℃,3200g离心10分钟吸取上清血浆,迅速置于干冰中,然后保存在-60℃或更低温度,用于LC-MS/MS分析。
实验结果:
骨髓中性粒细胞弹性蛋白酶(NE)活性检测结果见图16。
血浆分析结果见表17。
表17本发明化合物在大鼠连续给药7天的平均药代动力学参数(组别为n=3)
实验结论:
本发明化合物均可显著降低健康大鼠骨髓NE活性,并且呈现一定的剂量相关性。
连续给药7天后,由不同时间点采血分析可见,体内的暴露量与剂量正相关,与药效数据吻合,PK/PD相关性良好。
实验例6:脂多糖(LPS)诱导的小鼠肺泡灌洗液中NE活力的影响实验
实验目的:采用吸入脂多糖诱导对急性肺损伤模型的肺泡灌洗液中NE活性的抑制作用。
实验动物:SPF级C57小鼠,6-8周龄,18g左右,雌性,购自杭州子源实验动物科技有限公司。
实验操作:
实验动物进行分组给药,小鼠每天灌胃给药两次,两次给药间隔6小时。连续灌胃七天,在第八天首次给药后吸入异氟烷麻醉小鼠,气道内雾化LPS,浓度为2μg/μL,2μL/g体重。在LPS雾化给药4小时后处死动物进行后续肺泡灌洗及NE活性测定。
NE活性抑制率按照下述公式计算:
NE活性抑制率%=(给药组NE活性–模型组NE活性)/模型组NE活性×100%
实验结果:见表18。
表18本发明化合物的NE活性抑制实验结果
实验结论:与模型组相比,本发明化合物剂量依赖性显著降低LPS刺激的小鼠肺泡灌洗液中NE活性。
Claims (27)
- 式(Ⅳ)化合物、其立体异构体或其药学上可接受的盐,
其中,T选自CH和N;T1选自CH和N;环A选自环B选自3-8元杂环烷基;各R1分别独立地选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Ra所取代;或者,两个R1和它们连接的原子一起形成C3-6环烷基,其中所述C3-6环烷基任选被1、2或3个Rb所取代;R2选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Rc所取代;R3选自H、D、F、Cl、Br、I、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Rd所取代;各R4分别独立地选自H、D、F、Cl、Br、I、=O、-OH、-NH2、-CN和C1-3烷基,其中所述C1-3烷基任选被1、2或3个Re所取代;各Ra、Rb、Rc、Rd和Re分别独立地选自D、F、Cl、Br、I、=O、-OH、-NH2、-CN和C1-3烷基;m选自0、1、2、3和4;n选自0、1、2、3和4。 - 根据权利要求1所述的化合物、其立体异构体或其药学上可接受的盐,其化合物选自
其中,m、n、T、T1、R1、R2、R3、R4和环B如权利要求1所定义。 - 根据权利要求2所述的化合物、其立体异构体或其药学上可接受的盐,其化合物选自:
其中,m、n、T、T1、R1、R2、R3、R4和环B如权利要求2所定义;带“﹟”和“*”的碳原子为手性碳原子,以(R)或(S)单一对映体形式或富含一种对映体形式存在。 - 根据权利要求1所述的化合物、其立体异构体或其药学上可接受的盐,其中,各Rd分别独立地选自F。
- 根据权利要求1所述的化合物、其立体异构体或其药学上可接受的盐,其中,各Re分别独立地选自-OH。
- 根据权利要求1所述的化合物、其立体异构体或其药学上可接受的盐,其中,R2选自H和F。
- 根据权利要求1所述的化合物、其立体异构体或其药学上可接受的盐,其中,R3选自H、D、F、Cl、-CN和-CH3,其中所述-CH3任选被1、2或3个Rd所取代。
- 根据权利要求7所述的化合物、其立体异构体或其药学上可接受的盐,其中,R3选自H、F、Cl、-CN、-CH3、-CH2F、-CHF2和-CF3。
- 根据权利要求1所述的化合物、其立体异构体或其药学上可接受的盐,其中,各R4分别独立地选自H、D、F、Cl、Br、=O、-CH3和-CH2OH。
- 根据权利要求1所述的化合物、其立体异构体或其药学上可接受的盐,其中,环B选自哌嗪基、哌啶基、哌嗪-2-酮基、3,8-二氮杂双环[3.2.1]辛烷基、2,6-二氮杂螺[3.3]庚烷基、2,5-二氮杂双环[2.2.2]辛烷基、3,6-二氮杂双环[3.1.1]庚烷基、2,5-二氮杂双环[2.2.1]庚烷基。
- 根据权利要求1所述的化合物、其立体异构体或其药学上可接受的盐,其中,结构单元选自
- 根据权利要求11所述的化合物、其立体异构体或其药学上可接受的盐,其中,结构单元选自
- 根据权利要求1或2所述的化合物、其立体异构体或其药学上可接受的盐,其化合物选自:
其中,T、T1、R2、R3、R4和环B如权利要求1或2所定义。 - 根据权利要求13所述的化合物、其立体异构体或其药学上可接受的盐,其化合物:
其中,T、T1、R2、R3、R4和环B如权利要求13所定义。 - 下式化合物、其立体异构体或其药学上可接受的盐,
- 根据权利要求15所述的化合物、其立体异构体或其药学上可接受的盐,其化合物选自:
- 化合物12的A晶型,其特征在于,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.20°、15.42±0.20°、19.33±0.20°和22.94±0.20°;
- 根据权利要求17所述的A晶型,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.20°、15.42±0.20°、17.53±0.20°、19.33±0.20°、21.36±0.20°和22.94±0.20°。
- 根据权利要求18所述的A晶型,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:10.30±0.20°、11.56±0.20°、15.42±0.20°、17.53±0.20°、19.33±0.20°、21.36±0.20°、22.94±0.20°和24.95±0.20°。
- 根据权利要求18所述的A晶型,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:7.66±0.20°、10.30±0.20°、11.56±0.20°、12.83±0.20°、15.42±0.20°、15.99±0.20°、16.51±0.20°、16.92±0.20°、17.53±0.20°、18.45±0.20°、19.33±0.20°、20.49±0.20°、20.84±0.20°、21.36±0.20°、22.94±0.20°、24.95±0.20°、26.14±0.20°、26.59±0.20°、27.08±0.20°、27.98±0.20°、28.94±0.20°、29.47±0.20°、30.38±0.20°、31.11±0.20°和36.21±0.20°。
- 化合物12的A晶型,其XRPD图谱基本如图6所示。
- 根据权利要求17~21任意一项所述的A晶型,其差示扫描量热曲线在166.33±3℃处具有吸热峰。
- 根据权利要求22所述的A晶型,其DSC图谱基本如图7所示。
- 根据权利要求17~21任意一项所述的A晶型,其热重分析曲线在90±3℃时失重达1.408%。
- 根据权利要求24所述的A晶型,其TGA图谱基本如图8所示。
- 根据权利要求1~16任意一项所述的化合物、其立体异构体或其药学上可接受的盐或根据权利要求17~25任意一项所述的A晶型在制备治疗与DPP1抑制相关疾病药物中的应用。
- 根据权利要求26所述的应用,与DPP1抑制相关疾病选自非囊性纤维化支气管扩张症、慢性阻塞性肺病、急性肺损伤和囊性纤维化支气管扩张症疾病药物中的应用。
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