JP5873554B2 - キラルジペプチジルペプチダーゼ−iv阻害剤の調製プロセス - Google Patents
キラルジペプチジルペプチダーゼ−iv阻害剤の調製プロセス Download PDFInfo
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- JP5873554B2 JP5873554B2 JP2014518880A JP2014518880A JP5873554B2 JP 5873554 B2 JP5873554 B2 JP 5873554B2 JP 2014518880 A JP2014518880 A JP 2014518880A JP 2014518880 A JP2014518880 A JP 2014518880A JP 5873554 B2 JP5873554 B2 JP 5873554B2
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- formula iii
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- pyrazolopyrrolidine
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 58
- 238000002360 preparation method Methods 0.000 title description 6
- 229940124213 Dipeptidyl peptidase 4 (DPP IV) inhibitor Drugs 0.000 title 1
- 239000003603 dipeptidyl peptidase IV inhibitor Substances 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims description 84
- 238000006243 chemical reaction Methods 0.000 claims description 51
- 239000002904 solvent Substances 0.000 claims description 36
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical group CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 claims description 31
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical group CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 29
- WRIKHQLVHPKCJU-UHFFFAOYSA-N sodium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([Na])[Si](C)(C)C WRIKHQLVHPKCJU-UHFFFAOYSA-N 0.000 claims description 22
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000006317 isomerization reaction Methods 0.000 claims description 16
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical group [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 14
- 125000006242 amine protecting group Chemical group 0.000 claims description 12
- 230000006103 sulfonylation Effects 0.000 claims description 12
- 238000005694 sulfonylation reaction Methods 0.000 claims description 12
- 239000003960 organic solvent Substances 0.000 claims description 10
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 68
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 56
- GUOAGGANPURUME-UHFFFAOYSA-N 1,4,5,6-tetrahydropyrrolo[3,2-c]pyrazole Chemical compound N1N=CC2=C1CCN2 GUOAGGANPURUME-UHFFFAOYSA-N 0.000 description 54
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 46
- 239000000243 solution Substances 0.000 description 40
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 28
- -1 t-butyloxycarbonyl Chemical group 0.000 description 22
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 20
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 16
- 239000002002 slurry Substances 0.000 description 16
- 239000007787 solid Substances 0.000 description 15
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 14
- 239000010410 layer Substances 0.000 description 14
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 12
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000003328 mesylation reaction Methods 0.000 description 11
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 10
- 150000003839 salts Chemical class 0.000 description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 9
- 229940092714 benzenesulfonic acid Drugs 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 9
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropyl acetate Chemical compound CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 9
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 8
- 102100025012 Dipeptidyl peptidase 4 Human genes 0.000 description 8
- 235000019439 ethyl acetate Nutrition 0.000 description 8
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 8
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000006268 reductive amination reaction Methods 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 125000000753 cycloalkyl group Chemical group 0.000 description 6
- 235000019000 fluorine Nutrition 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 125000006239 protecting group Chemical group 0.000 description 6
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- LINDOXZENKYESA-UHFFFAOYSA-N TMG Natural products CNC(N)=NC LINDOXZENKYESA-UHFFFAOYSA-N 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 5
- 229940011051 isopropyl acetate Drugs 0.000 description 5
- 150000002576 ketones Chemical class 0.000 description 5
- IUYHWZFSGMZEOG-UHFFFAOYSA-M magnesium;propane;chloride Chemical compound [Mg+2].[Cl-].C[CH-]C IUYHWZFSGMZEOG-UHFFFAOYSA-M 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 239000012044 organic layer Substances 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 108010067722 Dipeptidyl Peptidase 4 Proteins 0.000 description 4
- 101000930822 Giardia intestinalis Dipeptidyl-peptidase 4 Proteins 0.000 description 4
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 4
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000012973 diazabicyclooctane Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 125000001153 fluoro group Chemical group F* 0.000 description 4
- 239000000543 intermediate Substances 0.000 description 4
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 4
- PFKFTWBEEFSNDU-UHFFFAOYSA-N 1,1'-Carbonyldiimidazole Substances C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 3
- 229960000549 4-dimethylaminophenol Drugs 0.000 description 3
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 3
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 3
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012267 brine Substances 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 3
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 238000005580 one pot reaction Methods 0.000 description 3
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 150000003141 primary amines Chemical group 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- SNEHALFDVXIDSZ-UHFFFAOYSA-N tert-butyl 2-methylsulfonyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5-carboxylate Chemical compound CS(=O)(=O)N1N=C2CN(C(=O)OC(C)(C)C)CC2=C1 SNEHALFDVXIDSZ-UHFFFAOYSA-N 0.000 description 3
- 0 *N(Cc1c2)Cc1n[n]2S(*)(=O)=O Chemical compound *N(Cc1c2)Cc1n[n]2S(*)(=O)=O 0.000 description 2
- YQTCQNIPQMJNTI-UHFFFAOYSA-N 2,2-dimethylpropan-1-one Chemical group CC(C)(C)[C]=O YQTCQNIPQMJNTI-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 2
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 229940098779 methanesulfonic acid Drugs 0.000 description 2
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 2
- 125000000612 phthaloyl group Chemical group C(C=1C(C(=O)*)=CC=CC1)(=O)* 0.000 description 2
- 150000003217 pyrazoles Chemical class 0.000 description 2
- 239000012066 reaction slurry Substances 0.000 description 2
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 208000001072 type 2 diabetes mellitus Diseases 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- KYVBNYUBXIEUFW-UHFFFAOYSA-N 1,1,3,3-tetramethylguanidine Chemical compound CN(C)C(=N)N(C)C KYVBNYUBXIEUFW-UHFFFAOYSA-N 0.000 description 1
- QVCUKHQDEZNNOC-UHFFFAOYSA-N 1,2-diazabicyclo[2.2.2]octane Chemical compound C1CC2CCN1NC2 QVCUKHQDEZNNOC-UHFFFAOYSA-N 0.000 description 1
- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical compound CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 description 1
- BUJWKBIFOTURDW-UHFFFAOYSA-N 2-methylsulfonyl-5,6-dihydro-4h-pyrrolo[3,4-c]pyrazole Chemical compound C1NCC2=NN(S(=O)(=O)C)C=C21 BUJWKBIFOTURDW-UHFFFAOYSA-N 0.000 description 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- UOCJDOLVGGIYIQ-PBFPGSCMSA-N cefatrizine Chemical group S([C@@H]1[C@@H](C(N1C=1C(O)=O)=O)NC(=O)[C@H](N)C=2C=CC(O)=CC=2)CC=1CSC=1C=NNN=1 UOCJDOLVGGIYIQ-PBFPGSCMSA-N 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- 229940090124 dipeptidyl peptidase 4 (dpp-4) inhibitors for blood glucose lowering Drugs 0.000 description 1
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008241 heterogeneous mixture Substances 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 238000004305 normal phase HPLC Methods 0.000 description 1
- MKMPWKUAHLTIBJ-ISTRZQFTSA-N omarigliptin Chemical compound C1([C@H]2OC[C@@H](C[C@@H]2N)N2CC3=CN(N=C3C2)S(=O)(=O)C)=CC(F)=CC=C1F MKMPWKUAHLTIBJ-ISTRZQFTSA-N 0.000 description 1
- URUUZIAJVSGYRC-UHFFFAOYSA-N oxan-3-one Chemical compound O=C1CCCOC1 URUUZIAJVSGYRC-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- RLMJJMISUNCQGK-UHFFFAOYSA-M potassium hydrogen carbonate phosphoric acid Chemical compound [K+].OC([O-])=O.OP(O)(O)=O RLMJJMISUNCQGK-UHFFFAOYSA-M 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000004007 reversed phase HPLC Methods 0.000 description 1
- 238000002390 rotary evaporation Methods 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- IBUNCTVDGYIKAP-UHFFFAOYSA-N tert-butyl 4,6-dihydro-1h-pyrrolo[3,4-c]pyrazole-5-carboxylate Chemical compound C1=NNC2=C1CN(C(=O)OC(C)(C)C)C2 IBUNCTVDGYIKAP-UHFFFAOYSA-N 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
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Description
からなる群から選択される]を調製するためのプロセスに関する。
各R1は、
フッ素、
塩素、
1から5個のフッ素で置換されていてもよいC1−6アルキル、および
1から5個のフッ素で置換されていてもよいC1−6アルコキシ、からなる群より独立して選択される)。
ある実施形態において、本明細書に記載するプロセスは、一段階、すなわち「ワンポット」プロセスで式IIIの化合物のようなピラゾロピロリジンをスルホニル化して、そのスルホニル化されたピラゾロピロリジンをさらに異性化する、一段階プロセスである。前記一段階は、式IIIの化合物のようなピラゾロピロリジンとスルホニル化剤および少なくとも1つの塩基とを適切な溶媒中で組み合わせることを含む。
が挙げられるが、これらに限定されない。R2がアルキルである場合、適切なアルキルとしては、メチル、エチル、プロピル、ブチル、ペンチルおよびヘキシルが挙げられるが、これらに限定されない。R2がシクロアルキルである場合、適切なシクロアルキルとしては、シクロプロピル、シクロブチル、シクロペンチルおよびシクロヘキシルが挙げられるが、これらに限定されない。
他の実施形態において、前記プロセスは、第一段階が式IIIの化合物のようなピラゾロピロリジンのスルホニル化を含む、二段階プロセスである。前記スルホニル化段階は、適切な第一の有機溶媒中で、前記ピラゾロピロリジンをスルホニル化剤および第一の塩基と組み合わせることを含む。第二段階は、スルホニル化されたピラゾロピロリジンと第二の塩基とを適切な第二の有機溶媒中で組み合わせることを含む、スルホニル化されたピラゾロピロリジンの異性化である。
各R1は、
フッ素、
塩素、
1から5個のフッ素で置換されていてもよいC1−6アルキル、および
1から5個のフッ素で置換されていてもよいC1−6アルコキシ、からなる群より独立して選択され;
R2は、C1−6アルキル;およびC3−6シクロアルキルからなる群より選択される)
の製造を含み、この製造は、
WがHであり、そして
R2が、C1−6アルキルおよびC3−6シクロアルキルからなる群より選択されるときの式Iの塩を形成する段階と、
式Ihと式IVのケトンとの還元的アミノ化によって式IIの化合物を形成する段階と、そして
式IIの保護基を除去して式IIaの化合物を形成する段階と、
を含む。
Ar=アリール
Boc=tert−ブチルオキシカルボニル
Bs=ベンゼンスルホニル
CDI=1,1’−カルボニルジイミダゾール
CH2Cl2=ジクロロメタン
Cp=シクロペンタジエニル
Cs2CO3=炭酸セシウム
d=日
DABCO=1,4−ジアザビシクロ[2.2.2]オクタン
DBU=1,8−ジアザビシクロ[5.4.0]ウンデカ−7−エン
DMAC=N,N−ジメチルアセトアミド
DMAP=4−ジメチルアミノピリジン
DMF=N,N−ジメチルホルムアミド
DMS=ジメチルスルフィド
Et=エチル
EtOAc=酢酸エチル
h=時間
HPLC=高速液体クロマトグラフィー
i−PrAc=酢酸イソプロピル
iPr=イソプロピル
iPrMgCl=イソプロピルマグネシウムクロリド
L=リットル
K3PO4=リン酸カリウム
K2CO3=炭酸カリウム
KOtBu=カリウムt−ブトキシド
LDA=リチウムジイソプロピルアミド
MeCN=アセトニトリル
Me=メチル
MeOH=メタノール
MeTHF=メチル
min=分
mL=ミリリットル
Ms=メシル
MTBE=メチルtert−ブチルエーテル
Na2CO3=炭酸ナトリウム
NMP=N−メチル−2−ピロリドン
Ph=フェニル
PhMe=フェニルメチル
rt=室温
t−アミルOH=t−アミルアルコール
TEA=トリエチルアミン
THF=テトラヒドロフラン
TMG=1,1,3,3−テトラメチルグアニジン
一定の出発原料および試薬は、市販されているか、化学科学的または特許文献において公知である。精製手順としては、例えば、蒸留、結晶化および順相または逆相高速液体クロマトグラフィーが挙げられる。
再結晶:反応容器にTHF(300mL)および38.8gの実施例7の化合物を投入した。その溶液をTi=55℃に加熱し、濾過した。得られた溶液に結晶種を入れ、Ti=45℃で1時間熟成させ、その後、徐々に室温に冷却した。そのスラリーを約200mLに濃縮し、n−ヘプタン(380mL)をゆっくりと添加した。固形物を濾過によって回収し、2:1 n−ヘプタン:THF(120mL)での置換洗浄、続いてn−ヘプタン(80mL)での置換洗浄に付した。乾燥させることにより34.8gの生成物(形態I)を得た。
4,6−ジヒドロピロロ[3,4−c]ピラゾール−5(1H)−カルボン酸tert−ブチル(30.0kg、143mol)の2−メチルテトラヒドロフラン(384kg)中の溶液を調製した。トリエチルアミン(25.0g、0.247mol)を添加し、そのバッチを−10〜5℃に冷却した。その後、メタンスルホニルクロリド(21.4kg、187mol)を2時間かけてゆっくりと添加した。室温で1時間撹拌した後、水(150kg)を5〜15℃で滴下した。この後、1N HCl溶液をpHが7になるまで添加した。得られた層を分離し、水性部分を2−メチルテトラヒドロフラン(106kg)で抽出した。併せた有機部分を飽和食塩水(2x150kg)で洗浄し、Na2SO4で乾燥させ、濾過し、60〜90Lに濃縮した。
2−(メチルスルホニル)−2,6−ジヒドロピロロ[3,4−c]ピラゾール−5(4H)−カルボン酸tert−ブチル(32.1kg、111mol)の酢酸イソプロピル(289kg)中の溶液に、ベンゼンスルホン酸(35.35kg、223mol)を添加した。その反応系を、室温で3日間撹拌し、その後、0〜10℃に冷却し、さらに1時間撹拌した。得られたスラリーを濾過し、ケークを酢酸イソプロピルで洗浄した。固形物を、真空下、室温で一晩乾燥させ、2−(メチルスルホニル)−2,4,5,6−テトラヒドロピロロ[3,4−c]ピラゾール−5−イウムベンゼンスルホン酸塩を得た。
容器にN,N−ジメチルアセトアミド(520.6kg)、2−(メチルスルホニル)−2,4,5,6−テトラヒドロピロロ[3,4−c]ピラゾール−5−イウムベンゼンスルホン酸塩(30.0kg、86.8mol)および[(2R,3S)−2−(2,5−ジフルオロフェニル)−5−オキソテトラヒドロ−2H−ピラン−3−イル]カルバミン酸tert−ブチル(131.2kg、95.3mol)を投入した。室温で溶解した後、その溶液を0〜10℃に冷却し、トリアセトキシ水素化ホウ素ナトリウム(24kg、113mol)を四等分で40分ごとに添加した。その後、その反応系を室温に温め、さらに5時間撹拌した。その後、その溶液を5〜15℃に冷却し、水(672kg)を1〜2時間かけて添加した。得られたスラリーを濾過し、ケークを、N,N−ジメチルアセトアミド、水で2回、そしてその後n−ヘプタンで順次洗浄した。固形物を乾燥させ、{(2R,3S,5R)−2−(2,5−ジフルオロフェニル)−5−[2−(メチルスルホニル)−2,6−ジヒドロピロロ[3,4−c]ピラゾール−5(4H)−イル]テトラヒドロ−2H−ピラン−3−イル}カルバミン酸tert−ブチルを得た。
ベンゼンスルホン酸(32.95kg、271mol)を窒素下でジクロロメタン(1020kg)に溶解した。その後、その溶液のKFが0.2%になるように880gの水を添加した。次に、{(2R,3S,5R)−2−(2,5−ジフルオロフェニル)−5−[2−(メチルスルホニル)−2,6−ジヒドロピロロ[3,4−c]ピラゾール−5(4H)−イル]テトラヒドロ−2H−ピラン−3−イル}カルバミン酸tert−ブチル(38.4kg、100mol)を三等分で30分かけて添加した。その後、その反応系を、室温で一晩熟成させた。次に、水(733kg)を1時間かけて添加し、その反応系を、1時間急速撹拌した。その後、層を分離し、得られた有機層を廃棄した。水性層に、ジクロロメタン(510kg)、続いてトリエチルアミン(22.4kg、592mol)を投入した。撹拌後、層を分離し、水性部分をジクロロメタン(510g)で抽出した。併せた有機部分を7%NaHCO3水溶液(2x410kg)および5%食塩水(386kg)で洗浄した。その後、有機部分をNa2SO4で乾燥させ、濾過し、活性炭(6.2kgのC−941)で処理した。その炭を濾過して除去し、濾液を真空下で154〜193Lに濃縮した。その後、この溶液を30〜35℃に温めた。次に、酢酸イソプロピル(338kg)を添加し、その溶液を室温で1.5時間撹拌した。その後、n−ヘプタン(159kg)をその容器に滴下し、3時間撹拌した。その後、そのスラリーを濾過し、ケークをn−ヘプタンで洗浄した。その後、この湿潤ケークを、再び前のようにジクロロメタンに溶解して酢酸イソプロピルおよびn−ヘプタンを添加することによって再結晶させ、それを濾過し、n−ヘプタンで洗浄した。固形分を真空下で乾燥させて、結晶性(2R,3S,5R)−2−(2,5−ジフルオロフェニル)−5−[2−(メチルスルホニル)−2,6−ジヒドロピロロ[3,4−c]ピラゾール−5(4H)−イル]テトラヒドロ−2H−ピラン−3−アミンを得、冷2:1 EtOAc/ヘキサンで洗浄して、表題化合物を固体として得た。1H NMR(500MHz,CD3OD):1.71(q,1H,J=12Hz)、2.56−2.61(m,1H)、3.11−3.18(m,1H)、3.36−3.40(m,1H)、3.48(t,1H,J=12Hz)、3.88−3.94(m,4H)、4.30−4.35(m,1H)、4.53(d,1H,J=12Hz)、7.14−7.23(m,2H)、7.26−7.30(m,1H)、7.88(s,1H)。LC−MS:399.04[M+1]。
Claims (2)
- 構造式Iの化合物:
[式中、R2は、C1−6アルキルおよびC3−6シクロアルキルからなる群より選択され;および
Wは、水素;P(Pの場合はアミン保護基である);または
(式中、R3は、水素もしくはPであり、Pの場合はアミン保護基である)である]を調製するための方法であって;
式IIIの化合物:
のスルホニル化、及び
式I’および式Iの化合物の混合物:
の異性化、を含み、
ここで、前記式IIIの化合物のスルホニル化、およびスルホニル化された式IIIの異性化は、少なくとも1つの適切な有機溶媒中で、式IIIの化合物をスルホニル化剤および少なくとも1つの塩基と混合することを含む、2段階工程で行われる方法であり、
ここで、前記第一段階が、前記式IIIの化合物、スルホニル化剤、及び第一の塩基を、適切な第一の溶媒中で混合することを含む、前記式IIIの化合物のスルホニル化であり、前記スルホニル化剤がMsClであり、前記第一の塩基がTEAであり、および前記第一の溶媒がMeTHFであり、
そして、
前記第二段階が、メシル化された式IIIの化合物と第二の塩基とを適切な第二の溶媒中で混合することを含む、式Iおよび式I’の化合物の混合物の異性化であり、ここで、前記第二の塩基が、KOtBuまたはNaHMDSであり、そして前記第二の溶媒が、MeTHFまたはDMAcである、方法。 - 式Iの70%より高い転化を生じさせる結果となる、請求項1に記載の方法。
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |