CN106660981A - 2,3‑二取代‑5‑氧代吡喃化合物的制备方法 - Google Patents
2,3‑二取代‑5‑氧代吡喃化合物的制备方法 Download PDFInfo
- Publication number
- CN106660981A CN106660981A CN201580039019.XA CN201580039019A CN106660981A CN 106660981 A CN106660981 A CN 106660981A CN 201580039019 A CN201580039019 A CN 201580039019A CN 106660981 A CN106660981 A CN 106660981A
- Authority
- CN
- China
- Prior art keywords
- formula
- compound
- sodium
- fluorine
- lithium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- -1 2, 3-disubstituted-5-oxopyran compound Chemical class 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 105
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000003960 organic solvent Substances 0.000 claims abstract description 7
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 34
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 28
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 24
- 239000011737 fluorine Substances 0.000 claims description 20
- 229910052731 fluorine Inorganic materials 0.000 claims description 19
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 17
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 15
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 15
- 230000002140 halogenating effect Effects 0.000 claims description 15
- 125000001153 fluoro group Chemical group F* 0.000 claims description 14
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 14
- 238000007363 ring formation reaction Methods 0.000 claims description 14
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 12
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052794 bromium Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 8
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 claims description 8
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 claims description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 8
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- 239000000460 chlorine Substances 0.000 claims description 8
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 claims description 8
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 8
- 238000007142 ring opening reaction Methods 0.000 claims description 8
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 7
- 125000006239 protecting group Chemical group 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 claims description 6
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 5
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 claims description 5
- 229940011051 isopropyl acetate Drugs 0.000 claims description 5
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 claims description 5
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 4
- 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 claims description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 4
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-chlorosuccinimide Chemical compound ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 claims description 4
- LQZMLBORDGWNPD-UHFFFAOYSA-N N-iodosuccinimide Chemical compound IN1C(=O)CCC1=O LQZMLBORDGWNPD-UHFFFAOYSA-N 0.000 claims description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 4
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 4
- VRLDVERQJMEPIF-UHFFFAOYSA-N dbdmh Chemical compound CC1(C)N(Br)C(=O)N(Br)C1=O VRLDVERQJMEPIF-UHFFFAOYSA-N 0.000 claims description 4
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- YNESATAKKCNGOF-UHFFFAOYSA-N lithium bis(trimethylsilyl)amide Chemical compound [Li+].C[Si](C)(C)[N-][Si](C)(C)C YNESATAKKCNGOF-UHFFFAOYSA-N 0.000 claims description 4
- LZWQNOHZMQIFBX-UHFFFAOYSA-N lithium;2-methylpropan-2-olate Chemical compound [Li+].CC(C)(C)[O-] LZWQNOHZMQIFBX-UHFFFAOYSA-N 0.000 claims description 4
- AHNJTQYTRPXLLG-UHFFFAOYSA-N lithium;diethylazanide Chemical compound [Li+].CC[N-]CC AHNJTQYTRPXLLG-UHFFFAOYSA-N 0.000 claims description 4
- IUBQJLUDMLPAGT-UHFFFAOYSA-N potassium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([K])[Si](C)(C)C IUBQJLUDMLPAGT-UHFFFAOYSA-N 0.000 claims description 4
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 4
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 4
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 claims description 4
- 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 4
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012312 sodium hydride Substances 0.000 claims description 4
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 3
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 3
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 claims description 2
- CUWFSAMRNGWQGN-UHFFFAOYSA-N 1-bromo-3,5-dichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Br)C1=O CUWFSAMRNGWQGN-UHFFFAOYSA-N 0.000 claims description 2
- CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical compound ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 claims description 2
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 2
- IFIDXBCRSWOUSB-UHFFFAOYSA-N potassium;1,3-dichloro-1,3,5-triazinane-2,4,6-trione Chemical compound [K+].ClN1C(=O)NC(=O)N(Cl)C1=O IFIDXBCRSWOUSB-UHFFFAOYSA-N 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 2
- 229910001923 silver oxide Inorganic materials 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 125000005951 trifluoromethanesulfonyloxy group Chemical group 0.000 claims 3
- 150000002431 hydrogen Chemical class 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- 238000006243 chemical reaction Methods 0.000 description 27
- 239000002904 solvent Substances 0.000 description 18
- 239000002585 base Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000007787 solid Substances 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- HEDRZPFGACZZDS-MICDWDOJSA-N deuterated chloroform Substances [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 9
- 238000001819 mass spectrum Methods 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 7
- 239000012074 organic phase Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 239000011630 iodine Substances 0.000 description 6
- 229910052740 iodine Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- 150000001335 aliphatic alkanes Chemical class 0.000 description 4
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- LFKDJXLFVYVEFG-UHFFFAOYSA-N tert-butyl carbamate Chemical compound CC(C)(C)OC(N)=O LFKDJXLFVYVEFG-UHFFFAOYSA-N 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- PUYQCRVUFSMNHJ-UHFFFAOYSA-N tert-butyl n-[1-(2,5-difluorophenyl)-1-hydroxypent-4-yn-2-yl]carbamate Chemical compound CC(C)(C)OC(=O)NC(CC#C)C(O)C1=CC(F)=CC=C1F PUYQCRVUFSMNHJ-UHFFFAOYSA-N 0.000 description 3
- 125000003088 (fluoren-9-ylmethoxy)carbonyl group Chemical group 0.000 description 2
- MENYRYNFSIBDQN-UHFFFAOYSA-N 5,5-dibromoimidazolidine-2,4-dione Chemical compound BrC1(Br)NC(=O)NC1=O MENYRYNFSIBDQN-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 2
- 235000019799 monosodium phosphate Nutrition 0.000 description 2
- 230000005311 nuclear magnetism Effects 0.000 description 2
- 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 2
- 229950000074 omarigliptin Drugs 0.000 description 2
- 235000006408 oxalic acid Nutrition 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
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 2
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 2
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 2
- JXHZRQHZVYDRGX-UHFFFAOYSA-M sodium;hydrogen sulfate;hydrate Chemical compound [OH-].[Na+].OS(O)(=O)=O JXHZRQHZVYDRGX-UHFFFAOYSA-M 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
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- QBYIENPQHBMVBV-HFEGYEGKSA-N (2R)-2-hydroxy-2-phenylacetic acid Chemical compound O[C@@H](C(O)=O)c1ccccc1.O[C@@H](C(O)=O)c1ccccc1 QBYIENPQHBMVBV-HFEGYEGKSA-N 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- 0 *[C@@](C1)[C@@](c(cc(cc2)F)c2F)OC1=CBr Chemical compound *[C@@](C1)[C@@](c(cc(cc2)F)c2F)OC1=CBr 0.000 description 1
- YQTCQNIPQMJNTI-UHFFFAOYSA-N 2,2-dimethylpropan-1-one Chemical group CC(C)(C)[C]=O YQTCQNIPQMJNTI-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- PUYQCRVUFSMNHJ-UONOGXRCSA-N CC(C)(C)OC(N[C@@H](CC#C)[C@@H](c1cc(F)ccc1F)O)=O Chemical compound CC(C)(C)OC(N[C@@H](CC#C)[C@@H](c1cc(F)ccc1F)O)=O PUYQCRVUFSMNHJ-UONOGXRCSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- IWYDHOAUDWTVEP-UHFFFAOYSA-N R-2-phenyl-2-hydroxyacetic acid Natural products OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 125000004442 acylamino group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 235000010233 benzoic acid Nutrition 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
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012954 diazonium Substances 0.000 description 1
- 150000001989 diazonium salts Chemical class 0.000 description 1
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 229960002510 mandelic acid Drugs 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 125000000612 phthaloyl group Chemical group C(C=1C(C(=O)*)=CC=CC1)(=O)* 0.000 description 1
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 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
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/06—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
- C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C271/18—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/30—Oxygen atoms, e.g. delta-lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
本发明提供了一种制备2,3‑二取代‑5‑氧代吡喃化合物的方法,所述方法包括一化合物在碱和有机溶剂存在下环合。
Description
交叉引用相关申请
本申请基于并要求2014年7月29日提交的中国专利申请201410367961.6的优先权,其全部内容通过引用并入本文。
技术领域
本发明涉及一种制备2,3-二取代-5-氧代吡喃化合物的方法,属于制药技术领域。
背景技术
式(04)所示2,3-二取代-5-氧代吡喃化合物:
其中,Ar为苯基或者被R4任意取代的苯基,R4为氟,氯,有氟取代的或未取代的C1-C6烷基,有氟取代的或未取代的C1-C6烷氧基;R1,R2独立地为氢,或氨基的保护基团;可用于制备奥格列汀(Omarigliptin)或其它化合物,是一种重要中间体。
美国专利US7902376和PCT申请WO2007097931等公开了一种制备式(04)所示化合物的方法,但其方法操作复杂,需要使用特殊催化剂。寻找一种简便的适于工业化生产的制备方法,是有必要的。
发明内容
发明概述
本发明提供了一种新的制备式(04)所示2,3-二取代-5-氧代吡喃化合物的方法,也提供了一些重要的新中间体。
发明详述
根据本发明的实施例,和公开的数值联合使用的术语“约”表示所述数值是近似值,所述数值可能偏差0.1%,0.5%,1%,2%,3%,5%,7%或10%。
本发明提供了一种制备式(04)所示化合物的方法。式(04)所示化合物的结构式如下所示:
其中,
Ar为苯基或者被R4任意取代的苯基;
R1,R2独立地为氢,或氨基的保护基团,如烷氧羰基类氨基保护基:苄氧羰基(Cbz),叔丁氧羰基(Boc),笏甲氧羰基(Fmoc),三甲基硅乙氧羰基(Teoc),甲氧羰基,乙氧羰基,烯丙氧羰基(Alloc)等;酰基类氨基保护基:乙酰基(Ac),邻苯二甲酰基(Pht),甲磺酰基,苯磺酰基,对甲苯磺酰基(Tos),三氟乙酰基(Tfa),邻硝基苯磺酰基,对硝基苯磺酰基,特戊酰基等;烷基类氨基保护基:三苯甲基(Trt),2,4-二甲氧基苄基(Dmb),对甲氧基苄基(PMB),苄基(Bn)等;
R4为氟,氯,有氟取代的或未取代的C1-C6烷基,有氟取代的或未取代的C1-C6烷氧基。
根据本发明的实施方式,一种制备式(04)所示化合物的方法包括:式(03)所示化合物进行环合反应,得到式(04)所示化合物:
其中,Ar,R1,R2如前述所定义;R3为可与羟基反应成醚的基团,如氟,氯,溴,碘,甲磺酰氧基,苯磺酰氧基,对甲苯磺酰氧基,磺酰氧基,对硝基苯磺酰氧基,三氟甲磺酰氧基,羟基或其鎓盐,或重氮盐等。
式(03)所示化合物在第一碱(碱B2)存在下,在有机溶剂中进行环合反应制得式(04)所示化合物。所述碱B2为有机碱或无机碱,选自:碳酸钠,碳酸钾,氢氧化钠,氢氧化钾,氢氧化锂,氢氧化钡,叔丁醇钾,叔丁醇锂,甲醇钠,乙醇钠,氨基钠,氢化钠,六甲基二硅基氨基钠,六甲基二硅基氨基钠锂,六甲基二硅基氨基钾,二乙基氨基锂,二异丙基氨基锂,氧化银,氨,甲胺,二乙胺,三乙胺,乙二胺,二异丙基乙基胺,吡啶,吡咯,N-甲基吗啉,1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU),或其组合。
在一些实施方式中,所述碱B2为碳酸钾。在一些实施方式中,所述碱B2为三乙胺。
所述有机溶剂为不与反应物或者产物发生反应的溶剂,选自酯类溶剂,烷烃类溶剂,醚类溶剂,酮类溶剂,或其组合。所述酯类溶剂选自乙酸乙酯,乙酸甲酯,乙酸异丙酯等;所述烷烃类溶剂选自正己烷,正庚烷,环己烷,二氯甲烷,甲苯,二甲苯,乙腈等;所述醚类溶剂选自:异丙醚,四氢呋喃,2-甲基四氢呋喃,甲基叔丁基醚,1,4-二氧六环等;所述酮类溶剂选自丙酮,丁酮,3-戊酮等。
在一些实施方式中,所述有机溶剂为四氢呋喃。在一些实施方式中,所述有机溶剂为二氯甲烷。
式(03)所示化合物进行环合反应得到式(04)所示化合物的反应温度为约-10℃-130℃。在一些实施方式中,所述反应温度为约40℃-100℃。在一些实施方式中,所述反应温度为约0℃-60℃。在一些实施方式中,所述反应温度为约10℃-60℃。在一些实施方式中,所述反应温度为约20℃-60℃。在一些实施方式中,所述反应温度为约20℃-40℃。在一些实施方式中,所述反应温度为约15℃-35℃。
式(03)所示化合物进行环合反应得到式(04)所示化合物的反应时间为1小时-24小时。在一些实施方式中,所述反应时间为4小时-16小时。在一些实施方式中,所述反应时间为约8小时-12小时。
在一些实施方式中,式(03)所示化合物在碳酸钾存在下,在四氢呋喃中,在约15℃-35℃环合反应制得式(04)所示化合物。
所述式(03)所示化合物可由式(02)所示化合物进行开环反应制备得到:
其中,Ar,R1,R2,和R3如前述所定义。
式(02)所示化合物进行开环反应可在加入酸或酸的水合物的条件下进行,所述酸为无机酸或有机酸,选自甲酸,乙酸,丙酸,三氟乙酸,甲磺酸,苯磺酸,对甲苯磺酸,苯甲酸,乳酸,苹果酸,草酸,枸橼酸,水杨酸,酒石酸,扁桃酸,富马酸,马来酸,琥珀酸,盐酸,硫酸,磷酸,硫酸氢钠,硫酸氢钾,磷酸二氢钠,磷酸二氢钾,磷酸氢二钠,磷酸氢二钾,或其组合。
所述酸与式(02)所示化合物的摩尔比为约0.1:1-3.0:1。在一些实施方式中,所述酸与式(02)所示化合物的摩尔比为约0.5:1-2.0:1。在一些实施方式中,所述酸与式(02)所示化合物的摩尔比为约1.0:1-2.0:1。
在一些实施方式中,所述酸为硫酸氢钠或其水合物。在一些实施方式中,所述酸为磷酸二氢钠。在一些实施方式中,所述酸为乙酸。在一些实施方式中,所述酸为草酸。
式(02)所示化合物进行开环反应的反应溶剂选自醇类溶剂,酯类溶剂,烷烃类溶剂,醚类溶剂,酮类溶剂,水,或其组合。所述醇类溶剂选自C1-C4的醇,所述酯类溶剂选自乙酸乙酯,乙酸甲酯,乙酸异丙酯等;所述烷烃类溶剂选自正己烷,正庚烷,环己烷,二氯甲烷,甲苯,二甲苯,乙腈等;所述醚类溶剂选自:异丙醚,四氢呋喃,2-甲基四氢呋喃,甲基叔丁基醚,1,4-二氧六环等;所述酮类溶剂选自丙酮,丁酮,3-戊酮等。
式(02)所示化合物进行开环反应的反应温度为约-10℃-60℃。在一些实施方式中,所述反应温度为约0℃-40℃。在一些实施方式中,所述反应温度为约15℃-30℃。在一些实施方式中,所述反应温度为约20℃-28℃。
式(02)所示化合物进行开环反应的反应时间为1小时-24小时。在一些实施方式中,所述反应时间为约4小时-20小时。在一些实施方式中,所述反应时间为约8小时-15小时。
式(02)所示化合物进行开环反应制备得到式(03)所示化合物后,可不分离出式(03)所示化合物,而直接将包括式(03)所示化合物的反应混合物进行反应,以制备式(04)所示化合物。
所述式(02)所示化合物可由式(01)所示化合物进行环合反应制备得到:
其中,Ar,R1,R2,和R3如前述所定义。
式(01)所示化合物可经过一步反应环合制备得到式(02)所示化合物,也可经过多步反应制备得到式(02)所示化合物。
式(01)所示化合物可在加入卤代试剂的条件下进行环合反应制备得到式(02)所示化合物,所述卤代试剂选自N-溴代丁二酰亚胺,N-氯代丁二酰亚胺,N-碘代丁二酰亚胺,碘,溴,氯,1,3-二溴-5,5-二甲基乙内酰脲(二溴海因),二氯亚砜,二氯异氰尿酸钠,二氯异氰尿酸钾,氯溴异氰尿酸,三氯异氰尿酸,或其组合。
式(01)所示化合物反应制备得到式(02)所示化合物的过程中,可以加入第二碱(碱B1)或硝酸银,所述碱B1选自:氢氧化钠,氢氧化钾,氢氧化锂,氢氧化钡,叔丁醇钾,叔丁醇锂,甲醇钠,乙醇钠,氨基钠,氢化钠,六甲基二硅基氨基钠,六甲基二硅基氨基锂,六甲基二硅基氨基钾,二乙基氨基锂,二异丙基氨基锂,氨,甲胺,二乙胺,三乙胺,乙二胺,二异丙基乙基胺,吡啶,吡咯,N-甲基吗啉,或其组合。
卤代试剂与式(01)所示化合物的摩尔比为约0.3:1-3.0:1。在一些实施方式中,卤代试剂与式(01)所示化合物的摩尔比为约0.5:1-2.0:1。在一些实施方式中,卤代试剂与式(01)所示化合物的摩尔比为约0.5:1-1.0:1。在一些实施方式中,卤代试剂与式(01)所示化合物的摩尔比为约1.0:1-3.0:1。在一些实施方式中,卤代试剂与式(01)所示化合物的摩尔比为约1.0:1-2.0:1。
碱B1与式(01)所示化合物的摩尔比为约0-3.0:1。在一些实施方式中,碱B1与式(01)所示化合物的摩尔比为约0-2.0:1。在一些实施方式中,碱B1与式式(01)所示化合物的摩尔比为约1.0:1-2.0:1。
在一些实施方式中,所述卤代试剂为碘。在一些实施方式中,所述卤代试剂为N-溴代丁二酰亚胺。在一些实施方式中,所述卤代试剂为1,3-二溴-5,5-二甲基乙内酰脲。
在一些实施方式中,所述碱B1为氢氧化钾。在一些实施方式中,所述碱B1为碳酸钾。
式(01)所示化合物进行环合反应制得式(02)所示化合物的反应温度为约-20℃-40℃。在一些实施方式中,式(01)所示化合物式(01)所示化合物进行环合反应制得式(02)所示化合物的反应温度为约-10℃-30℃。在一些实施方式中,式(01)所示化合物式(01)所示化合物进行环合反应制得式(02)所示化合物的反应温度为约0℃-20℃。
在一些实施方式中,式(01)所示化合物在加入卤代试剂和碱B1的条件下,在-20℃-40℃进行环合反应,制得式(02)所示化合物;所述卤代试剂为单质碘或1,3-二溴-5,5-二甲基乙内酰脲。
在一些实施方式中,制备式(04)所示化合物的方法包括:式(01)所示化合物在加入卤代试剂的条件下环合反应后制得式(02)所示化合物,式(02)所示化合物在酸存在下开环制得式(03)所示化合物,式(03)所示化合物在碱B2存在下环合,得到式(04)所示化合物:
其中,Ar,R1,R2,R3如前述所定义。
在一些实施方式中,R3为溴或碘。在一些实施方式中,Ar为被氟取代的苯基,R1为氢,R2为叔丁氧羰基,R3为溴或碘。在一些实施方式中,Ar为被氟取代的苯基,R1为氢,R2为苄氧基羰基,R3为溴。在一些实施方式中,Ar为被氟取代的苯基,R1为氢,R2为三甲基硅乙氧羰基,R3为溴。在一些实施方式中,Ar为2,5-二氟苯基,R1为氢,R2为叔丁氧羰基,R3为碘。在一些实施方式中,Ar为2,5-二氟苯基,R1为氢,R2为叔丁氧羰基,R3为溴。
在一些实施方式中,所述式(03)所示化合物为:
在一些实施方式中,所述式(03)所示化合物为:
在一些实施方式中,所述式(02)所示化合物为:
在一些实施方式中,所述式(02)所示化合物为:
在一些实施方式中,所述式(04)所示化合物为:
本发明所述方法,原料易得,能够简便地获得中间体式(04)所示化合物,可以工业化生产。
具体实施方式
为了使本领域的技术人员更好地理解本发明的技术方案,下面进一步披露一些非限制实施例对本发明作进一步的详细说明。
本发明所使用的试剂均可以从市场上购得或者可以通过本发明所描述的方法制备而得。式(01)所示化合物可参照美国专利US7902376等现有技术的方法制备。
缩写词说明:本发明中,BOC或Boc为叔丁氧羰基;BuO为叔丁氧基;CDCl3为氘代氯仿;KOH为氢氧化钾;K2CO3为碳酸钾;THF为四氢呋喃;MTBE为甲基叔丁基醚;g为克;mL为毫升;MS为质谱;NMR为核磁光谱。
实施例1:((2R,3S)-2-(2,5-二氟苯基)-5-(碘甲烯基)四氢呋喃-3-基)-氨基甲酸叔丁酯
向反应瓶中加入7.0g((1R,2S)-1-(2,5-二氟苯基)-1-羟基-4-戊炔-2-基)氨基甲酸叔丁酯和42mL甲醇,搅拌,降温至-5℃。3.2g KOH溶于28mL甲醇中,于-5℃滴加到反应液,滴加完毕保温搅拌30分钟。然后加入5.7g单质碘,保温搅拌10分钟后升温至25℃搅拌6小时,然后加入140mL水猝灭反应。混合溶液在25℃搅拌2小时。过滤,滤饼用40mL溶液甲醇水溶液(体积比:1/1)洗涤,固体在45℃真空干燥除去溶剂,得标题所述化合物,白色固体8.8g,纯度95.0%。
所得标题所述化合物具有以下特征光谱:质谱m/z:[M+Na]+=460.2;
核磁:1H NMR(600MHz,CDCl3)δ7.09-6.90(m,3H),5.46(s,1H),4.92(d,1H),4.86(d,1H),4.36(s,1H),2.95(ddd,1H),2.62(dd,1H),1.43(s,9H)。
实施例2:((2R,3S)-5-(溴甲烯基)-2-(2,5-二氟苯基)四氢呋喃-3-基)-氨基甲酸叔丁酯
向反应瓶中加入150mL甲醇,13.0g甲醇钠,搅拌降温至-10℃。然后滴加含31.1g((1R,2S)-1-(2,5-二氟苯基)-1-羟基-4-戊炔-2-基)氨基甲酸叔丁酯的甲醇溶液200mL。滴毕后加入N-溴代丁二酰亚胺21.5g,保持0℃搅拌10分钟后升温至25℃搅拌6小时。然后向反应溶液中滴加350mL水,搅拌30分钟,然后将反应混合液在真空减压蒸馏至有固体析出。25℃搅拌30分钟后,过滤,分别用甲醇,水各80mL洗涤,收集固体,在45℃真空干燥除去溶剂,得题述化合物,白色固体35.4g,纯度92.8%。
所得题述化合物具有以下特征光谱:质谱m/z:[M+Na]+=414.0;
核磁:1H NMR(600MHz,CDCl3)δ7.11-6.87(m,3H),5.53-5.30(m,1H),5.13-5.06(m,1H),4.33(s,1H),2.95-2.86(m,1H),2.62-2.56(m,1H),1.43(s,9H)。
实施例3:((2R,3S)-5-(溴甲烯基)-2-(2,5-二氟苯基)四氢呋喃-3-基)-氨基甲酸叔丁酯
向反应瓶中加入42mL水,100mL甲醇和15.0g氢氧化钾,搅拌,降温至-10℃。将41.6g((1R,2S)-1-(2,5-二氟苯基)-1-羟基-4-戊炔-2-基)氨基甲酸叔丁酯的甲醇溶液550mL,滴加到上述氢氧化钾的溶液中。滴毕,加入23.1g二溴海因;在0℃搅拌25分钟,然后在20℃-25℃搅拌反应8小时;然后向反应液中滴加650mL水并且搅拌1.5小时。过滤,滤饼用400mL甲醇水溶液(体积比1:1)洗涤。所得固体50℃真空干燥,得到题述化合物,白色固体46.5g。
所得题述化合物具有以下特征光谱:质谱m/z:[M+Na]+=414.0。
实施例4:((1R,2S)-1-(2,5-二氟苯基)-1-羟基-5-碘-4-氧代戊烷-2-基)氨基甲酸叔丁酯
将7.2g((2R,3S)-5-(碘甲烯基)-2-(2,5-二氟苯基)四氢呋喃-3-基)-氨基甲酸叔丁酯,硫酸氢钠一水物2.2g,35mL四氢呋喃和7mL水加入反应瓶中,28℃-33℃搅拌12小时。反应结束后,分液,有机相40℃减压蒸馏去除四氢呋喃。残余物中加入35mL乙酸异丙酯和28mL水,搅拌10分钟,分液,有机相减压蒸馏去除溶剂后得题述化合物,棕色油状物8.6g,可直接用于下一步反应。
所得题述化合物具有以下特征光谱:质谱m/z:[M+Na]+=477.8,[M-BuO]+=381.8。
实施例5:((1R,2S)-5-溴-1-(2,5-二氟苯基)-1-羟基-4-氧代戊烷-2-基)氨基甲酸叔丁酯
将39.0g((2R,3S)-5-(溴甲烯基)-2-(2,5-二氟苯基)四氢呋喃-3-基)-氨基甲酸叔丁酯,6.9g硫酸氢钠一水物,200mL四氢呋喃及40mL水加入到反应瓶中,60℃搅拌反应10小时,反应结束。分液,有机相浓缩除去四氢呋喃(THF)。向残余物中加入200mL乙酸异丙酯和120mL水,搅拌至溶解,分液,有机相浓缩至干,得标题所述化合物,棕色油状物43.5g,可直接用于下一步反应。
所得标题所述化合物具有以下特征光谱:质谱m/z:[M-BuO]+=336.1。
实施例6:((2R,3S)-2-(2,5-二氟苯基)-5-氧代四氢-2H-吡喃-3-基)氨基甲酸叔丁酯
向实施例4所得8.6g棕色油状物中加入40mL四氢呋喃和2.6g K2CO3,30℃搅拌约16小时。然后将反应混合液减压蒸馏除去四氢呋喃(THF),向所得残余物加入40mL乙酸乙酯和20mL水,分液,有机相浓缩至干,残余物中加入2.5mL乙酸乙酯,加热至40℃,搅拌至溶解;然后降温至20℃,滴加7.5mL正庚烷,滴加完毕后在20℃搅拌4小时,然后过滤收集固体,得标题所述化合物,4.0g白色固体。
所得标题所述化合物具有以下特征光谱:质谱m/z:[M+Na]+=350.0,[M+K]+=368.0;
核磁检测:1H NMR(600MHz,CDCl3)δ7.24(m,1H),7.04(m,2H),4.85(s,1H),4.68(s,1H),4.31(dd,1H),4.16-4.11(m,1H),4.11-4.04(m,1H),3.10-3.02(m,1H),2.75(s,1H),1.64(s,1H),1.37-1.25(s,9H)。
实施例7:((2R,3S)-2-(2,5-二氟苯基)-5-氧代四氢-2H-吡喃-3-基)氨基甲酸叔丁酯
向实施例5所得43.5g油状物中加入500mL四氢呋喃和15.2g K2CO3固体,35℃搅拌16小时。反应结束后,分液,有机相在40℃减压蒸馏除去四氢呋喃。所得残余物中加入500mL乙酸乙酯和100mL水,分液,有机相减压浓缩至干,所得残余物中加入13mL乙酸乙酯,加热至40℃搅拌至溶解。然后降温至20℃,滴加39mL正庚烷,滴加完毕在20℃搅拌4小时,抽滤,得标题所述化合物,23.9g白色固体。
所得标题所述化合物具有以下特征光谱:质谱m/z:[M+Na]+=350.0。
本发明的方法已经通过较佳实施例进行了描述,相关人员明显能在本发明内容、精神和范围内对本文所述的方法和应用进行改动或适当变更与组合,来实现和应用本发明技术。本领域技术人员可以借鉴本文内容,适当改进工艺参数实现。特别需要指出的是,所有类似的替换和改动对本领域技术人员来说是显而易见的,它们都被视为包括在本发明内。
Claims (15)
1.一种制备式(04)所示化合物的方法,包括:式(03)所示化合物在第一碱存在下,在有机溶剂中,进行环合反应,得到式(04)所示化合物:
其中,
Ar为苯基或者被R4任意取代的苯基;
R1,R2独立地为氢,或氨基的保护基团;
R3为氟,氯,溴,碘,甲磺酰氧基,苯磺酰氧基,对甲苯磺酰氧基,磺酰氧基,对硝基苯磺酰氧基,三氟甲磺酰氧基,或羟基;
R4为氟,氯,有氟取代的或未取代的C1-C6烷基,有氟取代的或未取代的C1-C6烷氧基。
2.根据权利要求1所述的方法,所述第一碱选自碳酸钠,碳酸钾,氢氧化钠,氢氧化钾,氢氧化锂,氢氧化钡,叔丁醇钾,叔丁醇锂,甲醇钠,乙醇钠,氨基钠,氢化钠,六甲基二硅基氨基钠,六甲基二硅基氨基锂,六甲基二硅基氨基钾,二乙基氨基锂,二异丙基氨基锂,氧化银,氨,甲胺,二乙胺,三乙胺,乙二胺,二异丙基乙基胺,吡啶,吡咯,N-甲基吗啉,1,8-二氮杂双环[5.4.0]十一碳-7-烯,或其组合。
3.根据权利要求1所述的方法,所述有机溶剂选自乙酸乙酯,乙酸甲酯,乙酸异丙酯,正己烷,正庚烷,环己烷,二氯甲烷,甲苯,二甲苯,乙腈,异丙醚,四氢呋喃,2-甲基四氢呋喃,甲基叔丁基醚,1,4-二氧六环,丙酮,丁酮,3-戊酮,或其组合。
4.根据权利要求1所述的方法,式(03)所示化合物在约-10℃-130℃进行环合反应。
5.权利要求1所述的方法,还包括:式(02)所示化合物在加入酸条件下进行开环反应,制备得到式(03)所示化合物:
6.根据权利要求5所述的方法,所述酸与式(02)所示化合物的摩尔比为约0.1:1-3.0:1。
7.根据权利要求5所述的方法,式(02)所示化合物在约-10℃-60℃进行开环反应。
8.权利要求5所述的方法,还包括:式(01)所示化合物进行环合反应,制备得到式(02)所示化合物:
9.权利要求8所述的方法,式(01)所示化合物在加入卤化试剂条件下进行环合反应,制备得到式(02)所示化合物,所述卤代试剂选自N-溴代丁二酰亚胺,N-氯代丁二酰亚胺,N-碘代丁二酰亚胺,碘,溴,1,3-二溴-5,5-二甲基乙内酰脲,二氯亚砜,二氯异氰尿酸钠,二氯异氰尿酸钾,氯溴异氰尿酸,三氯异氰尿酸,或其组合。
10.根据权利要求9所述的方法,卤代试剂与式(01)所示化合物的摩尔比为约0.3:1-3.0:1。
11.根据权利要求9所述的方法,式(01)所示化合物在-20℃-40℃进行环合反应制备得到式(02)所示化合物。
12.根据权利要求9所述的方法,式(01)所示化合物在加入第二碱或硝酸银的条件下进行环合反应制备得到式(02)所示化合物,所述第二碱选自氢氧化钠,氢氧化钾,氢氧化锂,氢氧化钡,叔丁醇钾,叔丁醇锂,甲醇钠,乙醇钠,氨基钠,氢化钠,六甲基二硅基氨基钠,六甲基二硅基氨基锂,六甲基二硅基氨基钾,二乙基氨基锂,二异丙基氨基锂,氨,甲胺,二乙胺,三乙胺,乙二胺,二异丙基乙基胺,吡啶,吡咯,N-甲基吗啉,或其组合。
13.式(02)所示的化合物:
其中:
Ar为苯基或者被R4任意取代的苯基;
R1,R2独立地为氢,或氨基的保护基团;
R3选自氟,氯,溴,碘,甲磺酰氧基,苯磺酰氧基,对甲苯磺酰氧基,磺酰氧基,对硝基苯磺酰氧基,三氟甲磺酰氧基,或羟基;
R4为氟,氯,有氟取代的或未取代的C1-C6烷基,有氟取代的或未取代的C1-C6烷氧基。
14.式(03)所示的化合物:
其中:
Ar为苯基或者被R4任意取代的苯基;
R1,R2独立地为氢或氨基的保护基团;
R3选自氟,氯,溴,碘,甲磺酰氧基,苯磺酰氧基,对甲苯磺酰氧基,磺酰氧基,对硝基苯磺酰氧基,三氟甲磺酰氧基,或羟基;
R4为氟,氯,有氟取代的或未取代的C1-C6烷基,有氟取代的或未取代的C1-C6烷氧基。
15.一种选自下列结构式的化合物:
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410367961 | 2014-07-29 | ||
CN2014103679616 | 2014-07-29 | ||
PCT/CN2015/084977 WO2016015596A1 (en) | 2014-07-29 | 2015-07-23 | Process for preparing 2, 3-disubstituted-5-oxopyran compound |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106660981A true CN106660981A (zh) | 2017-05-10 |
CN106660981B CN106660981B (zh) | 2019-06-25 |
Family
ID=55216762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580039019.XA Active CN106660981B (zh) | 2014-07-29 | 2015-07-23 | 2,3-二取代-5-氧代吡喃化合物的制备方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN106660981B (zh) |
WO (1) | WO2016015596A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111320598A (zh) * | 2018-12-14 | 2020-06-23 | 广东东阳光药业有限公司 | 一种羟基吡喃酮化合物的制备方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112369325A (zh) * | 2020-10-21 | 2021-02-19 | 甘肃亚盛农业研究院有限公司 | 一种植物外植体安全低毒高效灭菌的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007097931A2 (en) * | 2006-02-15 | 2007-08-30 | Merck & Co., Inc. | Aminotetrahydropyrans as dipeptidyl peptidase-iv inhibitors for the treatment or prevention of diabetes |
US20090187028A1 (en) * | 2008-01-23 | 2009-07-23 | Feng Xu | Process for preparing Chiral Dipeptidyl Peptidase -IV Inhibitor Intermediates |
CN103987388A (zh) * | 2011-06-29 | 2014-08-13 | 默沙东公司 | 二肽基肽酶-iv抑制剂的新晶形 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2019677B1 (en) * | 2006-05-16 | 2013-08-14 | Merck Sharp & Dohme Corp. | Aminotetrahydropyrans as dipeptidyl peptidase-iv inhibitors for the treatment or prevention of diabetes |
JP5232160B2 (ja) * | 2006-11-14 | 2013-07-10 | メルク・シャープ・アンド・ドーム・コーポレーション | 糖尿病の治療又は予防のためのジペプチジルペプチダーゼivインヒビターとしての三環式芳香族複素環化合物 |
WO2009014676A1 (en) * | 2007-07-23 | 2009-01-29 | Merck & Co., Inc. | Novel crystalline form of a dihydrochloride salt of a dipeptidyl peptidase-iv inhibitor |
-
2015
- 2015-07-23 WO PCT/CN2015/084977 patent/WO2016015596A1/en active Application Filing
- 2015-07-23 CN CN201580039019.XA patent/CN106660981B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007097931A2 (en) * | 2006-02-15 | 2007-08-30 | Merck & Co., Inc. | Aminotetrahydropyrans as dipeptidyl peptidase-iv inhibitors for the treatment or prevention of diabetes |
US20090187028A1 (en) * | 2008-01-23 | 2009-07-23 | Feng Xu | Process for preparing Chiral Dipeptidyl Peptidase -IV Inhibitor Intermediates |
CN103987388A (zh) * | 2011-06-29 | 2014-08-13 | 默沙东公司 | 二肽基肽酶-iv抑制剂的新晶形 |
Non-Patent Citations (2)
Title |
---|
FENG XU ET AL.: "Asymmetric Synthesis of Highly Functionalized Tetrahydropyran DPP‑4 Inhibitor", 《ORG. LETT.》 * |
TESFAYE BIFTU ET AL.: "Omarigliptin (MK-3102): A Novel Long-Acting DPP‑4 Inhibitor for Once-Weekly Treatment of Type 2 Diabetes", 《J. MED. CHEM.》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111320598A (zh) * | 2018-12-14 | 2020-06-23 | 广东东阳光药业有限公司 | 一种羟基吡喃酮化合物的制备方法 |
CN111320598B (zh) * | 2018-12-14 | 2022-04-26 | 广东东阳光药业有限公司 | 一种羟基吡喃酮化合物的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN106660981B (zh) | 2019-06-25 |
WO2016015596A1 (en) | 2016-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20140058107A1 (en) | Apixaban preparation process | |
TWI602803B (zh) | 光學活性二胺衍生物之製造方法 | |
US20180362439A1 (en) | Sacubitril intermediate and preparation method thereof | |
CN109496210A (zh) | 贝利司他的多晶型及其制备方法 | |
CN106660981B (zh) | 2,3-二取代-5-氧代吡喃化合物的制备方法 | |
WO2014049512A2 (en) | Novel process for preparation of azilsartan medoxomil | |
CN112062712A (zh) | 一种2-(5-溴-3-甲基吡啶-2-基)乙酸盐酸盐的制备方法 | |
EP3498695B1 (en) | Method for synthesizing 3-(difluoromethyl)-1-methyl-1h-pyrazole-4-carboxylic acid | |
CN106977415A (zh) | 一种沙库必曲的中间体及其制备方法 | |
CN105017229B (zh) | 一种制备咯菌腈的方法 | |
JP6816274B2 (ja) | (s)−n1−(2−アミノエチル)−3−(4−アルコキシフェニル)プロパン−1,2−ジアミン三塩酸塩の製造方法 | |
JP4294121B2 (ja) | ピリドンカルボン酸誘導体の製造方法およびその中間体 | |
KR20160027536A (ko) | 실로도신 합성에 유용한 중간체의 제조방법 | |
CZ20003457A3 (cs) | Způsob výroby inhibitorů HIV proteázy | |
CN104356086A (zh) | 一种适于工业生产3-吗啉酮的制备方法 | |
US20170096384A1 (en) | An improved process for the synthesis of dimethyl fumarate | |
US20100317868A1 (en) | Method of preparing taxane derivatives and intermediates used therein | |
UA114158C2 (uk) | Спосіб одержання проміжної речовини йопроміду | |
AU2007284927A1 (en) | Process for making lactam tachykinin receptor antagonists | |
CN110498762A (zh) | 一种(2s,5r)-5-[(苄氧基)氨基]-哌啶-2-甲酸乙酯的合成方法 | |
JP2007521277A (ja) | 化合物の製造 | |
WO2019075073A2 (en) | PROCESS FOR THE PREPARATION OF SPIRO DERIVATIVES | |
CN106831734B (zh) | 一种和田霉素a的全合成方法 | |
JP2004238322A (ja) | (r)−3−アミノペンタンニトリルメタンスルホン酸塩の製造方法 | |
KR20220044684A (ko) | 살리실아민 아세테이트 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 523808 No.1, Gongye North Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Guangdong Dongyangguang Pharmaceutical Co.,Ltd. Address before: 523808 No. 1 Industrial North Road, Songshan Industrial Park, Songshan, Guangdong, Dongguan, Hubei Patentee before: SUNSHINE LAKE PHARMA Co.,Ltd. |