CN87103770A - 4,5二取代γ-丁内酰胺的纯对映体,它们的制备方法和应用 - Google Patents
4,5二取代γ-丁内酰胺的纯对映体,它们的制备方法和应用 Download PDFInfo
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- CN87103770A CN87103770A CN87103770.XA CN87103770A CN87103770A CN 87103770 A CN87103770 A CN 87103770A CN 87103770 A CN87103770 A CN 87103770A CN 87103770 A CN87103770 A CN 87103770A
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- carbon atoms
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- alkyl
- alkylsulfonyl
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- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 title claims description 9
- 238000002360 preparation method Methods 0.000 title claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 216
- 150000001875 compounds Chemical class 0.000 claims description 59
- -1 alkylthio radicals Chemical class 0.000 claims description 56
- 125000000217 alkyl group Chemical group 0.000 claims description 48
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 33
- 125000003118 aryl group Chemical group 0.000 claims description 31
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 31
- 125000003545 alkoxy group Chemical group 0.000 claims description 29
- 229910052799 carbon Inorganic materials 0.000 claims description 28
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 claims description 28
- 125000001424 substituent group Chemical group 0.000 claims description 23
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 claims description 23
- 125000002541 furyl group Chemical group 0.000 claims description 20
- 125000004076 pyridyl group Chemical group 0.000 claims description 20
- 125000001544 thienyl group Chemical group 0.000 claims description 20
- 125000004414 alkyl thio group Chemical group 0.000 claims description 19
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 18
- 229910052736 halogen Inorganic materials 0.000 claims description 18
- 150000002367 halogens Chemical class 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 18
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 18
- 125000005956 isoquinolyl group Chemical group 0.000 claims description 15
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 15
- 125000005493 quinolyl group Chemical group 0.000 claims description 15
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 150000003254 radicals Chemical class 0.000 claims description 14
- 125000003373 pyrazinyl group Chemical group 0.000 claims description 13
- 125000002252 acyl group Chemical group 0.000 claims description 12
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 12
- 125000002098 pyridazinyl group Chemical group 0.000 claims description 11
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 10
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052794 bromium Inorganic materials 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 10
- 229910052801 chlorine Inorganic materials 0.000 claims description 10
- 229910052731 fluorine Inorganic materials 0.000 claims description 10
- 239000011737 fluorine Substances 0.000 claims description 10
- 239000012442 inert solvent Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- WGYGSZOQGYRGIP-MWDXBVQZSA-N (3r,4s,5s)-3-hydroxy-5-[(r)-hydroxy(phenyl)methyl]-1-methyl-4-phenylpyrrolidin-2-one Chemical compound C1([C@@H](O)[C@H]2N(C([C@H](O)[C@H]2C=2C=CC=CC=2)=O)C)=CC=CC=C1 WGYGSZOQGYRGIP-MWDXBVQZSA-N 0.000 claims description 8
- QYMGRIFMUQCAJW-UHFFFAOYSA-N 1,2-dihydropyrazine Chemical group C1NC=CN=C1 QYMGRIFMUQCAJW-UHFFFAOYSA-N 0.000 claims description 8
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 8
- 125000000623 heterocyclic group Chemical group 0.000 claims description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 8
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 8
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 8
- 150000001413 amino acids Chemical class 0.000 claims description 7
- 125000004104 aryloxy group Chemical group 0.000 claims description 7
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 6
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 6
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- 125000005110 aryl thio group Chemical group 0.000 claims description 6
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims description 6
- 125000005505 thiomorpholino group Chemical group 0.000 claims description 6
- 125000005147 toluenesulfonyl group Chemical group C=1(C(=CC=CC1)S(=O)(=O)*)C 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 4
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 4
- 125000004672 ethylcarbonyl group Chemical group [H]C([H])([H])C([H])([H])C(*)=O 0.000 claims description 4
- 125000001153 fluoro group Chemical group F* 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 150000002902 organometallic compounds Chemical class 0.000 claims description 4
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 3
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 208000000044 Amnesia Diseases 0.000 claims description 2
- 208000031091 Amnestic disease Diseases 0.000 claims description 2
- 206010021143 Hypoxia Diseases 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 230000006986 amnesia Effects 0.000 claims description 2
- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 claims description 2
- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 150000005840 aryl radicals Chemical class 0.000 claims 2
- 201000010099 disease Diseases 0.000 claims 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims 2
- 206010002660 Anoxia Diseases 0.000 claims 1
- 241000976983 Anoxia Species 0.000 claims 1
- 230000007953 anoxia Effects 0.000 claims 1
- 125000005425 toluyl group Chemical group 0.000 claims 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 abstract description 7
- WGYGSZOQGYRGIP-UHFFFAOYSA-N (±)-clausenamide Chemical compound C=1C=CC=CC=1C1C(O)C(=O)N(C)C1C(O)C1=CC=CC=C1 WGYGSZOQGYRGIP-UHFFFAOYSA-N 0.000 abstract description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 65
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 58
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 53
- 239000000203 mixture Substances 0.000 description 41
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 36
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- 239000000243 solution Substances 0.000 description 27
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 23
- 238000006243 chemical reaction Methods 0.000 description 18
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 17
- 239000007858 starting material Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 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
- 238000005160 1H NMR spectroscopy Methods 0.000 description 11
- CSNNHWWHGAXBCP-UHFFFAOYSA-L magnesium sulphate Substances [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 11
- 239000000546 pharmaceutical excipient Substances 0.000 description 11
- 239000002585 base Substances 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 8
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- HEDRZPFGACZZDS-MICDWDOJSA-N deuterated chloroform Substances [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 8
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 8
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 150000002170 ethers Chemical class 0.000 description 6
- 239000000284 extract Substances 0.000 description 6
- 239000008194 pharmaceutical composition Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000003826 tablet Substances 0.000 description 6
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 5
- 230000037396 body weight Effects 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- JYJUDDQCGHNPBK-WDEREUQCSA-N (2s,3s)-1-methyl-5-oxo-3-phenylpyrrolidine-2-carbaldehyde Chemical compound C1C(=O)N(C)[C@H](C=O)[C@@H]1C1=CC=CC=C1 JYJUDDQCGHNPBK-WDEREUQCSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- FFDCKKBMVGAMNK-WDEREUQCSA-N (4s,5s)-5-(hydroxymethyl)-1-methyl-4-phenylpyrrolidin-2-one Chemical compound C1C(=O)N(C)[C@H](CO)[C@@H]1C1=CC=CC=C1 FFDCKKBMVGAMNK-WDEREUQCSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical group CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 235000012216 bentonite Nutrition 0.000 description 3
- 239000002775 capsule Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 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
- 239000012043 crude product Substances 0.000 description 3
- 229940043279 diisopropylamine Drugs 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- WEOFHKDHOKOLAK-ONGXEEELSA-N methyl (2s,3s)-5-oxo-3-phenylpyrrolidine-2-carboxylate Chemical compound COC(=O)[C@H]1NC(=O)C[C@H]1C1=CC=CC=C1 WEOFHKDHOKOLAK-ONGXEEELSA-N 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000006187 pill Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 235000012222 talc Nutrition 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 2
- VMYUHJCTHIBSFN-RDJZCZTQSA-N (4s,5s)-5-benzoyl-1-methyl-4-phenylpyrrolidin-2-one Chemical compound C1([C@H]2[C@H](N(C(C2)=O)C)C(=O)C=2C=CC=CC=2)=CC=CC=C1 VMYUHJCTHIBSFN-RDJZCZTQSA-N 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 2
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 241000416162 Astragalus gummifer Species 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VRSSZILNAITUII-UHFFFAOYSA-N Clausenamide Natural products OC1C(=O)N(C)C=CC2=CC=CC=C2C1C1=CC=CC=C1 VRSSZILNAITUII-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 241000206672 Gelidium Species 0.000 description 2
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 2
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 229920001615 Tragacanth Polymers 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 235000010419 agar Nutrition 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 2
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
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- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- OGJKMZVUJJYWKO-CYBMUJFWSA-N stepharine Chemical compound C([C@H]1NCCC=2C=C(C(=C3C=21)OC)OC)C13C=CC(=O)C=C1 OGJKMZVUJJYWKO-CYBMUJFWSA-N 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229960001367 tartaric acid Drugs 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- CYTQBVOFDCPGCX-UHFFFAOYSA-N trimethyl phosphite Chemical compound COP(OC)OC CYTQBVOFDCPGCX-UHFFFAOYSA-N 0.000 description 1
- QOPBTFMUVTXWFF-UHFFFAOYSA-N tripropyl phosphite Chemical compound CCCOP(OCCC)OCCC QOPBTFMUVTXWFF-UHFFFAOYSA-N 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
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Abstract
本发明描述了具有下式的4,5-二取代γ-丁内酰胺的纯对映体,
根据本发明,可用4,5-二取代γ-丁内酰胺纯对映体(I)来制备(+)-(3R),(4S),(5S),(7R)-3-羟基-5-α-羟基苄基-1-甲基-4-苯基-吡咯烷-2-酮和它的纯对映体形式的衍生物。
Description
本发明涉及4,5-二取代γ-丁内酰胺的纯对映体,它们的制备方法,以及它们作为药学上有效化合物的中间体的应用。
本发明提供了具有通式(Ⅰ)的4,5-二取代γ-丁内酰胺的纯对映体,
式中
R1代表具有6-14个碳原子并且至多为五取代的芳基,取代基可以相同或不同,系至多各有8个碳原子的烷基、烷氧基和烷硫基,各6-12个碳原子的芳基、芳氧基和芳硫基,有7-14个碳原子的芳基、芳氧基和芳硫基,有7-14个碳原子的芳烷基,卤素,三氟甲基,三氟甲氧基,二氟甲氧基,三氟甲硫基,硝基,氰基,羧基,至多有8个碳原子的烷氧羰基,磺基,苯磺酰基,甲苯磺酰基,至多有8个碳原子的烷基磺酰基,羟基或下式基团,
其中
R3和R4可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基;
R1或代表选自以下的杂环:呋喃基、噻吩基、吡啶基、嘧啶基、吡嗪基、哒嗪基、喹啉基或异喹啉基,这些杂环基至多可为三取代的,取代基可以相同或不同,系选自至多各有6个碳原子的烷基、烷氧基或烷硫基,卤素,苯基,硝基,氰基和下式基团,
其中R3和R4的定义同前述,
R1或代表至多有10个碳原子并且可被以下基团取代的直链、支链或环状烷基或链烯基,取代基有卤素,有6-14个碳原子的芳基。呋喃基、噻吩基、吡啶基、嘧啶基、吡嗪基、哒嗪基、喹啉基,异喹啉基,羟基,至多各有6个碳原子的烷氧基和烷硫基、羧基,至多有6个碳原子的烷氧基羰基,磺基,至多有6个碳原子的烷基磺酰基,苯磺酰基,甲苯磺酰基或下式基团,
其中
R5和R6可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基,或其中
R5和R6与氮原子一起形成下述环状基团:吡咯烷子基、哌啶子基、哌嗪子基、吗啉代和硫代吗啉代,这些环状基团可被至多有4个碳原子的烷基或苯基取代,
R2代表至多有8个碳原子的直链、支链或环状烷基,
式(Ⅰ)中,5位的环碳原子有S构型,并且相对于5位上取代基COOR2,4位的取代基R1具顺式构型。
较优选的通式(Ⅰ)化合物是
式中
R1代表可被至多三取代的苯基或萘基,取代基可以相同或不同,系选自至多各有6个碳原子的烷基和烷氧基,甲硫基,苯基,苯氧基,苄基,氟,氯,溴,碘,三氟甲基,三氟甲氧基,二氟甲氧基,三氟甲硫基,硝基,氰基,至多有6个碳原子的烷氧基羰基,苯磺酰基,甲苯磺酰基,至多有6个碳原子的烷基磺酰基,羟基和下述基团,
其中
R3和R4可相同或不同,可以是氢,至多有6个碳原子的烷基,苯基,苄基,乙酰基,乙基羰基,苯甲酰基,至多有4个碳原子的烷基磺酰基,甲苯基磺酰基或苯基磺酰基,
R1或代表选自以下的杂环基:呋喃基、噻吩基、吡啶基、嘧啶基、喹啉基或异喹啉基,这些杂环基可被至多有4个碳原子的烷基或烷氧基、氟、氯、溴、硝基、氰基或下集团所取代:
其中R3和R4的定义同前述,
R1或代表至多有8个碳原子并且可被以下基团取代的直链,支链或环状烷基,取代基有氟、氯,溴,苯基,呋喃基、噻吩基、吡啶基、嘧啶基、喹啉基,异喹啉基,羟基,至多有4个碳原子的烷氧基或烷硫基,至多有4个碳原子的烷氧基羰基,至多有4个碳原子的烷基磺酰基,苯磺酰基,甲苯磺酰基或下式基团,
其中
R5和R6可相同或不同,可以是氢,至多有6个碳原子的烷基、苯基、苄基、乙酰基、乙基羰基,苯甲酰基,至多有4个碳原子的烷基磺酰基,甲苯基磺酰基或苯磺酰基,或
其中
R5和R6氮原子一起形成下述环状基团:吡咯烷子基、哌啶子基、N-甲基-或N-苯基-哌嗪子基或吗啉代,
R2代表至多有6个碳原子的直链或支链烷基,
式(Ⅰ)中,5位的环碳原子有S构型,并且相对于5位上取代基COOR2,4位的取代基R1有顺式构型。
最优选的通式(Ⅰ)化合物是
式中
R1代表被至多有4个碳原子的烷基或烷氧基或烷氧基、氟、氯、溴、三氟甲基、三氟甲氧基、三氟甲硫基、硝基、氰基、至多有4个碳原子烷氧基羰基、苯磺酰基、甲苯基磺酰基、至多有4个碳原子的烷基磺酰基、羟基或下式基团取代的苯基,
其中
R3和R4可相同或不同,可以是氢、至多有4个碳原子的烷基、苯基、苄基或乙酰基,
R1或代表呋喃基、噻吩基或吡啶基,或代表至多有6个碳原子并可被氟、氯、溴、苯基、噻吩基、吡啶基、呋喃基或至多有4个碳原子的烷氧基取代的直链、支链或环状烷基,
R2代表至多有4个碳原子的直链或支链烷基,
式(Ⅰ)中,5位的环碳原子有S构型,并且相对于5位上取代基COOR2,4位的取代基R1有顺式构型。
而且,本发明还找到了通式(Ⅰ)的4,5-二取代γ-丁内酰胺的纯对映体的制备方法,该制法的特征在于将式(Ⅱ)的二氢吡嗪首先在惰性溶溶剂中用酸水解,然后在惰性溶剂中由所得酸性氨基酸盐与碱反应制备游离氨基酸,接着使游离酸环化,式(Ⅰ)中
R1代表具有6-14个碳原子并且至多为五取代的芳基,取代基可以相同或不同,系选自至多各有8个碳原子的烷基、烷氧基和烷硫基,各有6-12个碳原子的芳基、芳氧基和芳硫基,有7-14个碳原子的芳烷基,卤素,三氟甲基,三氟甲氧基,二氟甲氧基,三氟甲硫基,硝基,氰基,羧基,至多有8个碳原子的烷氧基羰基,磺基,苯磺酰基,甲苯磺酰基,至多有8个碳原子的烷基磺酰基,羟基或下式基团,
其中
R3和R4可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的烷芳基,有2-7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基,
R1或代表选自以下的杂环:呋喃基、噻吩基、吡啶基、嘧啶基、吡嗪基、哒嗪基、喹啉基或异喹啉基,这些杂环基可以至多为三取代的,取代基可相同或不同,系选自至多各有6个碳原子的烷基、烷氧基或烷硫基,卤素,苯基,硝基,氰基和下式基团,
其中R3和R4的定义同前述,
R1或代表至多有10个碳原子并且可被以下基团取代的直链、支链或环烷基或链烯基,取代基有卤素,有6-14个碳原子的芳基,呋喃基,噻吩基,吡啶基,嘧啶基,吡嗪基,哒嗪基,喹啉基,异喹啉基,羟基,至多各有6个碳原子的烷氧基和烷硫基,羧基,至多有6个碳原子的烷氧基羰基,磺基,至多有6个碳原子的烷基磺酰基,苯磺酰基,甲苯磺酰基或下式基团,
其中
R5和R6可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,在7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基,或其中
R5和R6与氮原子一起形成下述环状基团:吡咯烷子基、哌啶子基、哌嗪子基、吗啉代和硫代吗啉代,这些环状基团可被至多有4个碳原子的烷基或苯基取代,
R2代表至多有8个碳原子的直链、支链或环状烷基,
式(Ⅰ)中,5位的环碳原子有S构型,并且相对于5位上取代基COOR2,4位的取代基R1有顺式构型;
式中
R1和R2的定义同前述,
R7代表至多有4个碳原子的直链或支链烷基,
在式(Ⅱ)中,二氢吡嗪环的6位碳原子具有R构型,而式(Ⅱ)吡嗪环的3位碳原子具有S构型;如果R1比CH2COOR2基团有较高的优先选择顺序,则碳原子1′具有S构型,或者如果R1比CH2COOR2基团有较低的优先选择顺序则碳原子1′具有R构型。
当用(3S,6R,1′S)-2,5-二甲氧基-6-异丙基-3-(2′-甲氧基羰基-1′-苯基)-乙基-3,6-二氢-1′4-吡嗪作起始物质时,反应过程按下式进行:
适宜的溶剂是在反应条件下不发生变化的普通惰性溶剂。较优先选用水或醇类,例如甲醇、乙醇、丙醇或异丙醇,或醚类,例如乙醚、二噁烷或四氢呋喃,或氯代烃类,例如二氯甲烷、氯仿或四氯化碳,或者可用上述溶剂的混合物。
对于水解作用适合的酸类是无机酸,例如氢氯酸、氢溴酸、硫酸或磷酸,或者是有机羧酸或磺酸,例如甲-、乙-、甲苯-或苯-磺酸或乙酸或丙酸。
水解作用最好在氢氯酸水溶液或醇溶液中进行。
一般来讲水解作用的温度为0℃~+100℃,较优选的温度是+20℃~+60℃。
通常,反应正常压下进行。但是也可以在加压或减压下进行。
在水解中得到的谷氨酸盐可以被分离出。但是,氨基酸盐不必纯化而直接进行下一步反应,这已经证明是有益的。
为了使氨基酸析出,所得盐可在惰性溶剂中用碱处理。
适宜的溶剂是在反应条件下不发生变化的普通惰性溶剂。较优先选用水或醇类,例如甲醇、乙醇、丙醇或异丙醇,或醚类,例如乙醚、二噁烷或四氢呋喃,乙腈,二甲基甲酰胺、或六甲基磷酰三胺或上述溶剂的混合物。
适宜的碱是常用的碱性化合物。较优先选用无机碱,例如碱金属或碱土金属氢氧化物(如氢氧化钠、氢氧化钾、氢氧化钙或氢氧化钡),或碱金属碳酸盐(如碳酸钠、碳酸氢钠或碳酸钾)、氨、从氨得到的有机胺(例如二或三烷基胺,如三乙胺或二异丙胺),或其它叔胺(如吡啶、二甲基氨基吡啶、甲基吡啶或二甲基吡啶)。
优先选用氨或三乙胺的水溶液或醇溶液作为碱。
氨基酸盐与碱的反应一般在0℃~+100℃,最好在+20℃~+40℃下进行。
反应一般在在常压下进行,也可在加压或减压下进行。
游离氨基酸可被分离出,但是一般不经分离直接进行下步反应,这已经证明是有益的。
游离氨基酸的环化反应一般不用溶剂,在+50℃~+200℃,最好在+70℃~+120℃下进行。
环化反应可在常压、减压或加压下进行。一般在常压下进行反应。
根据本发明,可按下述方式进行,例如将上述二氢吡嗪用氢氯酸水溶液处理,然后将所得谷氨酸盐分离出,不必纯化再用氨水溶液处理,分离出游离氨基酸,在不用溶剂下加热,例如可在球管中进行加热。
用作起始物质的二氢吡嗪(式Ⅱ)是新的化合物,并可由通式(Ⅲ)化合物首先与强碱性金属有机化合物反应,制得(Ⅲ)的衍生物(此衍生物在6位上由金属有机化合物的金属单取代),然后使这些金属衍生物在惰性溶剂中与顺式取代丙烯酸酯(式Ⅳ)反应,最后用酸中和而制得,
式(Ⅱ)中
R1代表有6-14个碳原子并且至多为五取代的芳基,取代基可以相同或不同,系选自至多各有8个碳原子的烷基、烷氧基和烷硫基,各有6-12个碳原子的芳基,芳氧基和芳硫基,有7-14个碳原子的芳烷基,卤素,三氟甲基,三氟甲氧基,二氟甲氧基,三氟甲硫基,硝基,氰基,羧基,至多有8个碳原子的烷氧基羰基,磺基,苯磺酰基,甲苯磺酰基,至多有8个碳原子的烷基磺酰基,羟基或下式基团,
其中
R3和R4可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的烷芳基,有2-7个碳原子的酰基,至多有6个碳原子的烷基磺酰基、苯磺酰基或甲苯磺酰基,
R1或代表选自以下的杂环:呋喃基、噻吩基、吡啶基、嘧啶基、吡嗪基、哒嗪基、喹啉基或异喹啉基,这些杂环基至多为三取代的,取代基可相同或不同,系选自至多各有6个碳原子的烷基,烷氧基或烷硫基,卤素,苯基,硝基,氰基和下式基团,
其中R3和R4的定义同前述,
R1或代表至多有10个碳原子并且可被以下基团取代的直链、支链或环状烷基或链烯基,取代基有卤素,有6-14个碳原子的芳基,呋喃基、噻吩基、吡啶基、嘧啶基、吡嗪基、哒嗪基、喹啉基,异喹啉基,羟基,至多各有6个碳原子的烷氧基和烷硫基,羧基,至多有6个碳原子的烷氧基羰基,磺基,至多有6个碳原子的烷基磺酰基,苯磺酰基,甲苯磺酰基或下式基团,
其中
R5和R6可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基,或其中
R5和R6与氮原子一起形成下述环状基团:吡咯烷子基、哌啶子基、哌嗪子基、吗啉代和硫代吗啉代,这些环状基团可被至多4个碳原子的烷基或苯基取代,
R2代表至多有8个碳原子的直链、支链或环状烷基,
R7代表至多有4个碳原子的直链或支链烷基,
式(Ⅱ)中,二氢吡嗪环的3位碳原子有S构型,而6位碳原子有R构型,如果R1比CH2COOR2基团有较高的优先选择顺序,则侧链的1位碳原子有S构型,或如果R1比CH2COOR2基团有较低的优先选择顺序,则侧链的1位碳原子有R构型;
式(Ⅲ)中
R7的定义同前述,并且二氢吡嗪环的3位碳原子有R构型;
式(Ⅳ)中
R1和R2的定义同前述。
由德国专利公开说明书(DOS)2,934,252得知,2-氨基酸或丝氨酸的纯对映体可由式(Ⅲ)的内酰亚胺醚通过烷基化或与羰基化合物反应而制得。
还已知式(Ⅲ)的内酰亚胺醚与反式取代的α、β-不饱和羧酸酯反应,得到2,3-苏型氨基酸,以其为原料,可以制得4,5-反式-取代的γ-丁内酰胺〔Chem.Scripta 25,105(1985)〕。
根据本技术领域已知,不希望顺式取代的α-,β-不饱和羧酸酯(式Ⅳ)有选择地与式(Ⅲ)的内酰亚胺醚反应,以得到式(Ⅱ)二氢吡嗪纯对映体,(Ⅱ)本身代表具有顺式构型的式(Ⅰ)γ-丁内酰胺纯对映体的前体。
当用(3R)-2,5-二甲氧基-3-异丙基-3,6-二氢-1,4-吡嗪和顺式-肉桂酸甲酯作为起始物质时,反应过程可按下式进行:
用作起始物质的通式(Ⅲ)化合物是已知的,参见德国专利公开说明书(DOS)2,934,252。
用作为起始物质的丙烯酸酯式(Ⅳ)是已知的,或者可用已知的方法制备。例如参见Houben-weyl“Methoden der Organischen Chemie”第4版,5卷/1b分册,728页~。
适宜的溶剂是在反应条件下不发生变化的普通惰性有机溶剂。较优先选用的包括醚类,如乙醚、四氢呋喃、二噁烷、乙二醇-或二甲醚,或酰胺类,如二甲基甲酰胺、六甲基磷酰三胺或二甲基乙酰胺,或二甲基亚砜。也可以使用上述溶剂的混合物。
适宜的强碱性金属有机化合物是普通的碱金属有机化合物。较优先选用碱金属醇化物,如甲醇钠、甲醇钾、乙醇钠、乙醇钾或叔丁醇钾,或锂有机化合物,如正、异或叔丁基锂或苯基锂,或碱金属氨化物,如氨基化钠、二异丙基氨基锂、四甲基哌啶锂,或双(三甲基甲硅烷基)氨基化钠。
中和反应适合的酸是普通的无机或有机酸。较优先选用的包括无机酸,如氢氯酸、氢溴酸、硫酸或磷酸,或有机羧酸或磺酸,如乙酸、丙酸、酒石酸或柠檬酸和甲磺酸或乙磺酸。
反应温度一般是-80℃~0℃,最好是-70℃~-20℃。
反应一般是常压下进行,也可在加压或减压下进行。
如果把3位碳原子上具有R构型的2,5-二甲氧基-3-异丙基-3,6-二氢-1,4-吡嗪用相应的S-对映体代替作为起始物质,则预期可制得具有(6S),(3R),(1′R)构型的化合物(Ⅱ)。
本发明4,5-二取代γ-丁内酰胺的纯对映体(式Ⅰ)是药学上有效化合物的非常有价值的中间体。
例如,从欧洲专利说明书172,514中已知,由黄皮用药部分〔Clausena Lansium(lour)Skeels〕的水溶液萃取物中分离出的黄皮酰胺(Clausen amide)〔(±)-(3S*),(4R*),(5R*),(7S*)-3-羟基-α-羟基苄基-1-甲基-4-苯基-吡咯烷-2-酮〕为外消旋物。按照本发明可以利用4,5-二取代γ-丁内酰胺(Ⅰ)的纯对映体合成(+)-(3R),(4S),(5S),(7R)-3-羟基-5α-羟基苄基-1-甲基-4-苯基-吡咯烷-2-酮及其衍生物的纯对映体形式。
在步骤(C)中式(Ⅱ)化合物还原成式(Ⅹ)化合物的反应,与已经描述过的式(Ⅴ)化合物还原成式(Ⅱb)化合物的方法相同,并在相同的条件下进行。
在步骤(D)中式(Ⅹ)化合物氧化成式(Ⅲ)化合物的反应,与已经描述过的式(Ⅱa)化合物氧化成式(Ⅴ)化合物的方法相同,并在相同的条件下进行。
式(Ⅵ)起始化合物可由文献中了解,或利用文献中已知的方法制备,参见G.H.Cocolas.W.H.Hartung,J.Am.Chem.Soc.79,5203(1957);F.Zymalkowski,P.Pachaly,Chem,Ber.100,1137(1967)。
在动物试验中,(+)黄皮酰胺(Clausen amide)对大脑缺氧症具有明显的预防作用,并具有明显的预防遗忘症的作用,这些作用比吡烷酮醋胺的效果大得多,在脑治疗剂和nootropics方面,吡烷酮醋胺是结构上最有关的化合物。
服用高剂量的动物在行为上没有表现出任何明显的变化。因此,对缺氧的预防作用显然在是由非特异性的镇静作用所引起,预防缺氧症的作用可以减少对氧气的需求。已知(+)黄皮酰胺的急性毒性是非常低的。
本发明包括药用配方以及制备上配方的方法。该药用配方含有本发明的化合物和无毒、惰性、药学上适用的赋形剂,或由本发明的有效化合物组成。
无毒、惰性和药学上适用的赋形剂可以是固体、半固体或液态稀释剂、填料或各类配方辅助剂。
可以使用的药用配方最好是片剂、包衣片剂、胶囊剂、丸剂、颗粒剂、栓剂、溶液、悬浮液剂和乳液剂、糊剂、软膏剂、凝胶剂、乳油剂、洗剂、粉剂和喷雾剂。
片剂、包衣片剂、胶囊剂、丸剂和颗粒剂除含有常用的赋形剂外还有一种或多种有效化合物。常用的赋形剂有例如(a)填料和膨胀剂,如淀粉、乳糖、蔗糖、葡萄糖、甘露糖醇和硅酸,(b)粘合剂,如羧甲基纤维素、藻酸盐、明胶、聚乙烯吡咯烷酮,(c)致湿剂,如甘油,(d)崩解剂,如琼脂,碳酸钙和碳酸钠,(e)溶液阻滞剂,如石蜡和(f)吸收加速剂,如季铵化合物,(g)润湿剂,如鲸蜡醇、甘油单硬脂酸酯,(h)吸附剂,如高岭土和膨润土和(i)润滑剂如滑石、硬脂酸钙和硬脂酸镁以及固态聚乙二醇,或(a)至(i)所列物质的混合物。
片剂、包衣片剂、胶囊剂、丸剂和颗粒剂可带有常用的包衣和外壳,并可有选择地含有不透明剂。上述制剂还可以是仅在肠道的某一位置,最好以延缓方式释放有效化合物的组合物。使用例如聚合物质和蜡类作为包埋化合物,可以制得上述组合物。
有效化合物可以有选择地与一种或多种上述赋形剂一起使用,也可以制成微胶囊的形式。
栓剂除了含有有效化合物外,还可以含有常用的水可溶或水不溶的赋形剂,例如聚乙二醇、脂肪(如可可脂肪)和高级酯(如C14醇和C16脂肪酸形成的酯),或上述物质的混合物。
软膏剂、糊剂、乳油剂和凝胶剂除了含有有效化合物外还含有常用的赋形剂,例如动物和植物油脂、蜡、石蜡、淀粉、西黄著胶、纤维素衍生物、聚乙二醇、硅氧烷、膨润土、硅酸、滑石和氧化锌,或上述物质的混合物。
粉剂和喷雾剂除了含有有效化合物外还含有常用的赋形剂,例如乳糖、滑石、硅胶、氢氧化铝、硅酸钙和聚酰胺粉末或上述物质的混合物。喷雾剂还可含有常用的推进剂,例如氯代氟代烃类。
溶液剂和乳液剂除了含有有效化合物外还含有常用的赋形剂,例如溶剂、增溶剂和乳化剂,如水、乙醇、异丙醇、碳酸乙酯、乙酸乙酯、苄醇、二甲基甲酰胺,油类,特别是棉籽油、花生油、玉米油、橄榄油、蓖麻油和芝麻油,甘油,甘油甲缩醛、四氢糠醇、聚乙二醇和脱水山梨(糖)醇的脂肪酸酯,或上述物质的混合物。
肠胃外给药时,溶液剂和乳化剂还应为无菌的并与血液等渗的形式。
悬浮剂除了含有有效化合物外还含有常用的赋形剂,例如液体稀释剂(如水、乙醇、丙二醇),悬浮剂(如乙氧基化的异硬脂酰醇、聚氧乙烯脱水山梨(糖)醇、和脱水山梨(糖)醇酯、微晶纤维素、偏氢氧化铝、膨润土、琼脂和西黄著胶,或上述物质的混合物)。
上述配方形式还可含有着色剂、防腐剂以及气味和味道改进添加剂,例如薄荷油和桉树油,和甜味剂,如糖精。
在上述药用配方中,具有治疗作用的有效化合物的含量为混合物总重量的0.1~99.5%较好,最好为0.5~95%。
上述药用配方中除含有本发明的化合物外,还可含有其它药学上有效的化合物。
上述药用配方可用已知方法按照常用的方式进行制备,例如将一种或多种有效化合物与一种或多种赋形剂混合。
在静脉内给药时,一般给药量为0.001~1毫克/公斤体重,最好为0.01~0.5毫克1/公斤体重,证明可获得有效的结果;在口服给药时,用量为0.01~20毫克/公斤体重,最好为0.1~10毫克/公斤体重。
但是,由于下述因素的影响可能需要使用与上述不同的用量,例如体重和给药方式的影响,对于药物的个体反应,配方和给药的时间或间隔。因此,在某些情况下使用小于上述剂量可满足要求,而另一些情况下要使用大于上述限制的剂量。当使用较大量时,建议将用量分成普通的单个剂量在一天内给药。
使用具有(4R)、(5R)构型并由具有(6S)、(3R)、(1′R)-构型的化合物Ⅱ制备的式(Ⅰ)化合物作为起始物质,可制得(-)-(3S),(4R),(5R),(7S)-3-羟基-5-α-羟基苄基-1-甲基-4-苯基-吡咯烷-2-酮。
例如,根据本发明所述,由(4S,5S)-5-甲氧羰基-4-苯基-吡咯烷-2-酮按照下述反应过程可以制得(+)-(3S),(4R),(5R),(7S)-3-羟基-5-α-羟基苄基-1-甲基-4-苯基-吡咯烷-2-酮,
因此,在上式步骤(A)中,(4S,5S)-5-甲氧基羰基-4-苯基-吡咯烷-2-酮(Ⅴ)用甲基化剂在合适的溶剂中,于-20℃~+80℃,最好0℃~40℃下进行甲基化反应。甲基化剂有例如溴代甲烷、碘代甲烷、对-甲苯磺酸甲酯、重氮甲烷或硫酸二甲酯;如果需要,甲基化反应可在碱,例如钠、氢化钠、氨基化钠、丁基锂或二异丙基氨基化锂存在下进行,合适的溶剂有例如乙醚、四氢呋喃、二甲基甲酰胺、六甲基磷酰三胺或这些溶剂的混合物。
步骤(A)的甲基化反应最好在四氢呋喃和六甲基磷酰三胺的混合溶剂中,在二异丙基氨基化锂作为碱存在下,用碘代甲烷进行。
在步骤(B)中,式(Ⅵ)还原生成(4S,5S)-5-羟基甲基-1-甲基-4-苯基吡咯烷-2-酮(Ⅶ),还原反应最好用配位金属氢化物在惰性溶剂中,于-30℃~+10℃下,最好-20℃~0℃进行。配位金属氢化物有例如氢化锂-硼酸三乙酯、氢化锂-硼酸三(1-甲基丙基)酯或硼氢化钠;惰性溶剂有例如醚类,如乙醚、四氢呋喃或二噁烷。
在步骤〔C〕中,式(Ⅶ)氧化成(4S,5S)-5-甲酰基-1-甲基-4-苯基-吡咯烷-2-酮(Ⅷ),氧化反应是用二甲基亚砜作为氧化剂,并加有三氟乙酸酐,在氯代烃(例如二氯甲烷或氯仿)或在醚(如乙醚、二噁烷或四氢呋喃)中,在-80℃~0℃,最好在-60℃~0℃下进行。
在步骤〔D〕中,甲酰化合物(Ⅷ)在适当溶剂(例如醚类,如乙醚或四氢呋喃)中,于-20℃~+50℃,最好在-10℃~+30℃下与溴化苯基镁反应,制得(4S,5S,7S)-5-羟基-甲基苯基-1-甲基-4-苯基吡咯烷-2-酮(Ⅸ)。
在步骤〔E〕中,式(Ⅸ)氧化成(4S,5S)-5-苯甲酰基-1-甲基-4-苯基-吡咯烷-2-酮(Ⅹ),氧化反应在与前面叙述的步骤〔C〕中由式(Ⅶ)氧化成式(Ⅷ)的相同条件下进行。
在步骤〔F〕中,式(Ⅹ)还原成(4S,5S.7R)-5-羟基甲基苯基-1-甲基-4-苯基吡咯烷-2-酮(Ⅺ),还原反应在与前面叙述的步骤〔B〕中由式(Ⅵ)还原成式(Ⅶ)的相同条件下进行。
在步骤〔G〕中,式(Ⅺ)羟基化,得到(3R,4R,5S,7R)-3-羟基-5-羟基甲基苯基-1-甲基-4-苯基吡咯烷-2-酮〔(+)-黄皮酰胺〕(Ⅻ)。羟基化反应是用氧化剂在亚磷酸酯和碱存在下,在惰性有机溶剂中,于-80℃~0℃进行。氧化剂有例如过氧化钼/吡啶或氧,亚磷酸酯有例如亚磷酸三烷基酯,如正磷酸三甲基酯、亚磷酸三乙基酯或亚磷酸三丙基酯,碱有例如有机金属碱,如二异丙基氨基化锂或叔丁基锂,惰性有机溶剂有例如醚类,如乙醚、四氢呋喃或六甲基磷酰三胺或它们的混合物。
制备实例
实例1
(3S,6R,1′S)-2,5-二甲氧基-6-异丙基-3-〔2′-甲氧基羰基-1′-苯基〕-乙基-3,6-二氢-1,4-吡嗪
将20克(108.4毫摩尔)(3R)-2,5-二甲氧基-3-异丙基-3,6-二氢-1,4-吡嗪在120毫升无水四氢呋喃中的溶液冷却至-70℃,在氮气流下加入70毫升(108.4毫摩尔)1,6N正丁基锂在己烷中的溶液。将混合物在-70℃下搅拌10分钟,再加入19.36克(119.2毫摩尔)顺式肉桂酸甲酯在60毫升无水四氢呋喃中的溶液。此混合物在-70℃下搅拌12小时,在-20℃下搅拌1小时,再加入6.83毫升(108.4毫摩尔)冰醋酸溶解在10毫升无水四氢呋喃中的溶液,让反应混合物升温至室温,倒入300毫升冰水中。用150毫升乙酸乙酯萃取三次,合并有机萃取液,用MgSO4干燥并过滤,真空下除去溶剂。得到33.1克(理论值的88%)粗的标题化合物,为浅黄色油状物。在硅胶(Amicon,粒度20~45微米)上快速层析(洗脱液为甲苯/乙酸乙酯=20/1),得到4.9克(理论值的13%)6R,3S,1′R-异构体〔Rf(甲苯∶乙酸乙酯=9∶1)为0.36〕;27.4克(理论值的73%)纯的标题化合物,它的Rf(甲苯∶乙酸乙酯=9∶1)值为0.46,为淡黄色油状物。
1H-NMR(CDCl3,250MHZ):δ=0.57 and 0.89(各d,J=6.9Hz,(CH3)2C,2H);2.1(m;(CH3)2CH,1H);ABM信号(δA=2.91,δB=3.18,JAB=15.6Hz,JAH=JBM=6.8Hz,2H,2′-H);3.08(t,J=3.1Hz,1H,C(3)-H);3.61,3.65 and 3.72(各s,各3H,OCH3);3.9(dt,J=6,8Hz,J=3.1Hz,1H,C(1′)-H);4.34(t,J=3.1Hz,1H,C(6)-H);7.0-7.25(m,5H,芳香H)。
质谱M+347
C19H26N2O4(346.4) 计算值:C 65.9 H 7.6 N 8.1
测定值:C 66.5 H 7.7 N 8.0
实例2
(4S,5S)-5-甲氧基羰基-4-苯基吡咯烷-2-酮
13.7克(39.5毫摩尔)实例1化合物在317毫升0.25N氢氯酸中剧烈搅拌48小时。混合物用100毫升乙醚萃取三次(回收起始物质)。水溶液冷冻干燥,将余下的残留物悬浮在5毫升水中,并用约2.8毫升浓氨水调节PH值为10。将混合物用100毫升乙酸乙酯萃取五次,加入NaCl直至饱和,用MgSO4干燥,真空下除去溶剂。将此粗氨基酸酯混合物放入球管中于100℃/0.1毫米汞柱保持10小时。得到5克(理论值的58%)标题化合物,其〔α〕20 D=209.05(C=0.54,MeOH),Rf=0.20(乙酸乙酯),为残余物。
1H-NMR(CDCl3,200mHz):δ=2.78(dd,J=7.5Hz,J=2Hz,2H,C(3)-H);3.30(s,3H,OCH3);3.99(q,J=7.5Hz,1H,C(4)-H);4.58(d,J=7.5Hz,1H,C(5)-H);6.85(br,1H,NH);7.19-7.35(m,5H,C6H5).
(C12H13NO3,219.24) 计算值:C 65.7 H 6.0 N 6.4
测定值:C 65.5 H 6.1 N 6.4
实例3
(4S,5S)-N-甲基-5-甲氧基羰基-4-苯基吡咯烷-2-酮
在干燥烧瓶中,将5克(22.8毫摩尔)实例2标题化合物溶解在50毫升无水四氢呋喃和15毫升无水六甲基磷酰三胺中,氮气下用气灯烧,再冷至-70℃。在此温度下,滴加25.1毫摩尔二异丙基氨基化锂在THF/己烷中的溶液(由15.7毫升1.55N BuLi的己烷溶液和3.5毫升二异丙基胺的15毫升THF溶液制得),将此混合物在-70℃下再搅拌20分钟,滴加4.2毫升(0.114摩尔)碘代甲烷在5毫升无水THF中的溶液,此混合物在-70℃下搅拌1小时,并在30分钟内升温至室温。一旦所有的起始物质反应完全(DC检测),就把反应混合物倒入200毫升磷酸盐缓冲剂中(PH=7,PH检测),并用100毫升乙酸乙酯萃取四次(最后加入氯化钠)。干燥(MgSO4)并在旋转蒸发器中蒸发,得到标题化合物的粗品,再与乙酸乙酯一起在硅胶上过滤。得到5.05克(理论值的94.6%)纯的标题化合物,为无色固体,其Rf=0.3(乙酸乙酯),〔α〕20 D=205.95(C=0.38,MeOH),熔点100℃。
红外(KBr):ν=1736,1690cm-1
1H-NMR(250MHz,CDCl3):δ=ABX信号(δ=2.70,δB=2.95,JAB=17.5Hz,JAX=10Hz,JBX=11Hz,2H,C(3)-H);2.89(S,3H,N-CH3);3.30(s,3H,OCH3);3.91(q,J=10Hz,1H,C(4)-H);4.39(d,J=9-10Hz,1H,C(5)-H);7.18-7.38(m,5H,C6H5)。
C13H15NO3(233.27) 计算值:C 66.9 H 6.5 N 6.0
测定值:C 67.1 H 6.5 N 6.0
实例4
(4S,5S)-5-羟基甲基-1-甲基-4-苯基吡咯烷-2-酮
在-15℃-20℃,于氮气流下,将25.6毫摩尔LiB(Et)3H(THF的1M溶液,25.6毫升)滴加到3克(12.8毫摩尔)实例3标题化合物在33毫升无水四氢呋喃的溶液中。混合物在-20℃搅拌1小时,在0℃搅拌1小时,将反应混合物倒入200毫升冰冷却的2N氢氯酸中,剧烈搅拌30分钟,用200毫升乙酸乙酯萃取二次。水溶液相用氯化钠饱和,再用200毫升乙酸乙酯萃取二次。收集有机萃取液,用少量水洗涤,MgSO4干燥,在旋转蒸发器中蒸发。用少量乙醚使残余物形成结晶,然后用戊烷沉淀,直到在滴入点上不再看到混浊为止。抽吸过滤并干燥后,得到2.07克(理论值的79%)标题化合物,熔点93~95℃。
红外(KBr):ν=3324,1687cm-1.
1H-NMR CDCl3,300MHz):δ=ABM系统之AB部分
δA=2.59,δB=2.97(各dd,JAB=15Hz,JAM=7.5Hz,JBM=9Hz,2H,C(3)-H);2.97(s,3H,N-CH3);ABM系统之AB部分,δA=3.36,δB=3.62(各dd,JAB=11.2Hz,JAM=JBM=3hz,2H,C(7)-H);3.72-3.85(m,2H,C(4)-H,C(5)-H);7.32(m,5H,C6H5).
C12H15NO2(205.26) 计算值:C 70.2 H 7.4 N 6.8
测定值:C 70.0 H 7.4 N 6.8
实例5
(4S,5S)-5-甲酰基-1-甲基-4-苯基吡咯烷-2-酮
在-60℃和氮气流下,于10分钟内将2.97毫升三氟乙酸酐在5.6毫升无水二氯甲烷中的溶液滴入1.9毫升(28毫摩尔)无水二甲基亚砜在14毫升无水二氯甲烷的溶液中。混合物在此温度下搅拌15分钟。在温度不超过-60℃的情况下,将2.9克(14毫摩尔)实例4标题化合物在25毫升二氯甲烷中的溶液滴到上述混合物中。在-60℃下连续搅拌90分钟,把混合物温热至-30℃,5~10分钟,再冷至-60℃。在此温度下慢慢加入5.6毫无水三乙胺,混合物在-60℃下搅拌30分钟,温热至室温。加入60毫升水,分离各相,水相用25毫升二氯甲烷萃取三次。收集有机萃取液,用300毫升水洗涤二次,硫酸镁干燥,在旋转蒸发器中蒸发。得到2.83(理论值100%)标题化合物,Rf=0.5(乙酸乙酯(根据1H-NMR谱纯度为91%)。干燥(24小时,高真空)后,得到的粗品可直接进行下步反应。
红外(CHCl3):ν=1734,1689cm-1
1H-NMR(300MHz,CDCl3):δ=2.79(dd,J=5.3Hz,J=9.7Hz,2H,C(3)-H);2.91(s,3H,N-CH3);4.02(q,J=9.7Hz,1H,C(4)-H);4.30(dd,J=1Hz,J=9.7Hz,1H,C(5)-H);7.3(m,5H,C6H5);9.17(d,J=1Hz,1H,CHO)。
实例6
(4S,5S,7S)-5-羟基甲基苯基-1-甲基-4-苯基-吡咯烷-2-酮
将2.48克(1.67毫升,0.0156毫尔)溴代苯在4.4毫升无水四氢呋喃中的溶液在氮气下滴加到0.39克镁屑中,并使四氢呋喃缓缓地沸腾。然后加入10毫升无水四氢呋喃,把混合物加热回流,直至所有的镁溶解(1~2小时)。
将溶液冷至0℃,在激烈搅拌下将2.47克(0.012摩尔)实例5标题化合物在25毫升无水四氢呋喃中的溶液滴入,并使温度不超过5℃。有时必须加入无水四氢呋喃以便改善搅拌的状态。将反应混合物在0~5℃下搅拌1小时,倒入35毫升0.5NHCl/冰中,用30毫升乙酸乙酯萃取四次,用30毫二氯甲烷萃取二次。收集乙酸乙酯和二氯甲烷萃取液,并分别用20毫升水洗涤二次,再合并,用硫酸镁干燥。蒸去溶剂(真空下)后留下的残余物用10毫升乙醚研磨,直到结晶。然后慢慢地加入50毫升戊烷,混合物在冰箱中放置过夜。抽滤收集固体物,得到2.5克(理论值的74.3%)标题化合物,熔点210~212℃,〔α〕20 D=173.1(C=0.5,MeOH)。
红外(KBr):ν=3362(br),1654cm-1
1H-NMR(300MHz,d6-DMSO):δ=2.21(S,3H,NCH3);2.24(dd,ABM系统之A部分,JAB=15.7Hz,JAM=9.4Hz,1H,cis-C(3)-H);3.05(dd,ABM系统之B部分,JBM=12.7Hz,1H,trans-C(3)-H);3.80(dt,ABM系统之M部分,JAM=9.4Hz,JB=12.7Hz,J4.5=8.5Hz,1H,C(4)-H);4.15(dd,J=8.5Hz,J=1Hz,1H,C(5)-H);4.26(dd,J=6Hz,J=1Hz,1H,C(7)-H);5.35(d,J=6Hz,1H,OH);7.15-7.5(m,10H,C6H5).
C18H19NO2(281.4) 计算值:C 76.8 H 6.8
测定值:C 76.5 H 6.8
实例7
(4S,5S)-5-苯甲酰基-1-甲基-4-苯基吡咯烷-2-酮
在-60℃和氮气流下,将1.8毫升三氟乙酸酐在34毫升无水二氯甲烷中的溶液于10分钟内滴到1.2毫升(0.0171摩尔)无水二甲基亚砜在8.7毫升无水二氯甲烷的溶液中。将混合物在此温度下再搅拌15分钟,并滴入2.4克(0.0085摩尔)实例6标题化合物在约70毫升无水二氯甲烷中的溶液,滴加时温度不得超过-60℃。于-60℃继续搅拌90分钟,将混合物温热至-30℃,9~10分钟,再冷却至-60℃。在该温度下,慢慢地加入3.4毫升三乙胺,混合物在-60℃下搅拌20分钟,再温热至室温。加入37毫升水,分离各相,水溶液相用25毫升二氯甲烷萃取三次。合并有机萃取液,用30毫升水洗涤二次,用硫酸镁干燥,旋转蒸发器蒸发。残余物置于旋转蒸发器中与20毫升的乙醚一起蒸发二次蒸发。得到2.3克(理论值的100%)标题化合物,为固体,熔点115~116℃,Rf=0.25(乙酸乙酯)。根据1H-NMR谱测定,粗产品是较纯的,可直接用于下步反应。
红外(KBr):ν=1695,1682cm-1
1H-NMR(300MHz,CDCl3):δ=2.78 and 2.91(ABM系统之AB部分,JAB=16.5Hz,JAM=JBM=3.3Hz,2H,C(3)-H);2.88(s,3H,M-CH3);4.02(q,J=8.3Hz,1H,C(4)-H);5.42(d,J=8.3Hz,1H,C(5)-H);7.0,7.21,7.59,7.50(各m,10H,C6H5)。
实例8
(4S,5S,7R)-5-羟基甲基苯基-1-甲基-4-苯基-吡咯烷-2-酮
在-15℃~-20℃和氮气流下,将8.3毫摩尔LiB(Et)3I(8.3毫升,1M四氢呋喃溶液)滴到2.3克(8.2毫摩尔)实例7标题化合物在20~27毫升无水四氢呋喃的溶液中。混合物在0℃下搅拌1小时,反应混合物倒入10毫升冰冷却的1N盐酸中,并用20毫升乙酸乙酯萃取二次。水溶液相用氯化钠饱和,用20毫升乙酸乙酯再萃取二次。合并的有机萃取液用MgSO4干燥,在旋转蒸发器中蒸发。残余物溶解在二氯甲烷中,并用10毫升水洗涤二次。有机相干燥(MgSO4),在旋转蒸发器中蒸发。用10毫升乙醚使残余物结晶,然后边搅拌边慢慢加入戊烷,直到滴入点不再混浊为止。抽气过滤,收集沉淀并干燥。得到1.6克(理论值的72%)标题化合物,熔点189~195℃。根据1H-NMR测定,产物纯度为95%,可直接用于下一步的反应。
为了分析,用丙酮重结晶,熔点197~198℃。
红外(KBr):ν=3251,1692cm-1。
1H-NMR(300MHz,DMSO):δ=1.97 and 2.05(ABM信号,βJAB=13.5Hz,JAM=8.2Hz,JBM=13Hz,2H,C(3)-H);2.91(s,3H,N-CH3);3.82(dt,JAM=J4.5=8.2Hz,JBM=13Hz,1H,C(4)-H);4.27(dd,J=8.2Hz,J=1.5Hz,1H,C(5)-H);4.65(dd,J=1.5Hz,J=3.5Hz,1H,C(7)-H);5.34(d,J=3.5Hz,1H,C-(7)-OH);6.70,7.11,7.25(各m,10H,C6H5).
C18H19HO2(281.4) 计算值:C 76.8 H 6.8 N 5.0
测定值:C 77.0 H 6.9 N 5.0
实例9
(3R,4S,5S,7R)-3-羟基-5-羟基甲基苯基-1-甲基-4-苯基吡咯烷-2-酮〔(+)-黄皮酰胺〕
将0.44克(1.57毫摩尔)实例8标题化合物在12.25毫升无水四氢呋喃和3.25毫升无水六甲基磷酰三胺的溶液放入烧瓶中,在真空中用气炬烧,并充入高纯度氮,冷至-70℃。在此温度下,把0.0038摩尔LDA在4.5毫升无水THF/己烷中的溶液(由0.553毫升二异丙胺的2毫升THF溶液,-20℃~0℃下加入2.6毫升1.5N正丁基锂的己烷溶液制备)滴加入。混合物在-70℃~-60℃下搅拌1小时,加入0.13毫升新蒸馏出的亚磷酸三甲酯(溶解在少量无水四氢呋喃中),并通入(50~100毫升/分钟)干燥氧(用H2SO4和P4O10干燥)。根据DC检测〔SiO2;EA/MeOH:2/1;标题化合物的Rf=0.37,起始物质的Rf=0.37,用钼磷酸喷雾剂(Messrs,Merck,Darmstadt)显色〕,一旦产物与起始物质比例不再变化(2~3小时),就把混合物倒入用冰冷却的15毫升0.5NHCl中,如果需要,酸化pH值为3~4。
分离各相,水溶液相用10毫升乙酸乙酯萃取四次。合并有机萃取液,用10毫升水洗涤三次,用MgSO4干燥,在旋转蒸发器中蒸发。残余物溶解在5~10毫升乙醚中,搅拌,直到开始结晶,边搅拌边慢慢加入戊烷,直到滴入点不再混浊为止。此混合物在冰箱中放置过夜,抽气过滤。得到约0.4克粗的固体,其中除标题化合物处还有约35%~40%的起始物质。为了纯化,将其用甲醇重结晶二次。得到的标题化合物纯度约为95%。用氧化铝(中性)层析,损失较少并可回收纯的起始物质。为此,将粗产物吸附在硅胶上(溶解在温热的MeOH中,加入5份重量硅胶,用放置蒸发器蒸发,并与乙酸乙酯一起在放置蒸发器中进一步蒸发数次,直至得到无MeOH的干粉状产物)。将吸附物与Al2O3(中性,50份重量)一起装入柱中,起始物质首先用乙酸乙酯洗脱(快速层析,用DC检测和HPLC分析。然后用乙酸乙酯/甲醇混合液(40/1,20/1然后用10/1)洗脱标题化合物。先用乙醚结晶,结晶体与水充分搅拌,通过滤。在高真空下干燥(30~40℃,24小时)后,得到0.22克(理论值的46.1%)(+)-黄皮酰胺(为含1/4摩尔H2O的水合物),熔点236~237.5℃,可信样品(±)-黄皮酰胺:236℃~237℃)。纯度约为98%(根据1H-NMH测定,含有约2%起始物质)。可回收0.1克纯的起始物质。〔α〕20 D=+123.19(C=0.46,DMSO/H O=9/1,体积百分比)
红外(KBr):ν=3402,3321,1689cm-1.
1H-NMR(300MHz,DMSO):δ=3.01,(s,3H,N-CH3);3.50(dd,J=8Hz,J=10.5Hz,1H,C(4)-H);3.82(dd,J=10Hz,J=7Hz,1H,C(3)-H);4.30(dd,J=8Hz,J=2Hz,1H,C(5)-H);4.65(dd,J=2Hz,J=3Hz,1H,C(7)-H);5.39(d,J=7Hz,1H C(3)-OH);5.45(d,J=3Hz,1H,C(7)-OH);6.61-6.64(m,2H,芳香H);7.03-7.28(m,8H,芳香H)。
C18H19NO3+1/4H2O(315.37) 计算值:C 71.6 H 6.5
测定值:C 71.6 H 6.4
Claims (10)
1、通式(Ⅰ)的4,5-二取代γ-丁内酰胺的纯对映体,
式中
R1代表具有6-14个碳原子并且至多为五取代的芳基,取代基可以相同或不同,系选自至多各有8个碳原子的烷基、烷氧基和烷硫基,各有6-12个碳原子的芳基、芳氧基和芳硫基,有7-14个碳原子的芳烷基,卤素,三氟甲基,三氟甲氧基,二氟甲氧基,三氟甲硫基,硝基,氰基,羧基,至多有8个碳原子的烷氧基羰基,磺基,苯磺酰基,甲苯磺酰基,至多有8个碳原子的烷基磺酰基,羟基或下式基团,
其中
R3和R4可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基;
R1或代表自以下的杂环:呋喃基、噻吩基、吡啶基、嘧吡基、吡嗪基、哒嗪基、喹啉基或异喹啉基,这些杂环基可至多为三取代的,取代基可相同或不同,系选自至多各有6个碳原子的烷基、烷氧基或烷硫基,卤素,苯基,硝基,氰基和下式基团,
其中R3和R4的定义同前述,
R1或代表至多有10个碳原子并且可被以下基团取代的直链、支链或环状烷基或链烯基,取代基有卤素,有6-14个碳原子的芳基,呋喃基,噻吩基、吡啶基、嘧啶基、吡嗪基、哒嗪基、喹啉基、异喹啉基,羟基,至多各有6个碳原子的烷氧基和烷硫基,羧基,至多有6个碳原子的烷氧基羰基,磺基,至多有6个碳原子的烷基磺酰基,苯磺酰基,甲苯磺酰基或下式基团,
其中
R5和R6可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12碳原子的芳基,有7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基成甲苯磺酰基,或其中
R5和R6与氮原子一起形成下述环状基团:吡咯烷子基、哌啶子基、哌嗪子基、吗啉代和硫代吗啉代,这些环将基团可被至多有4个碳原子的烷基或苯基取代,
R2代表至多有8个碳原子的直链、支链或环状烷基,
式(1)中,5位的环碳原子有S构型,并且相对于5位上取代基COOR2,4位的取代基R1有顺式构型。
2、权利要求1所述的通式(1)化合物,其中
R1代表至多为三取代的苯基或萘基,取代基可相同或不同,系选自至多各有6个碳原子的烷基和烷氧基,甲硫基,苯基,苯氧基,苄基,氟,氯,溴,碘,三氟甲基,三氟甲氧基,二氟甲氧基,三氟甲硫基,硝基、氰基,至多有6个碳原子的烷氧基羰基,苯磺酰基,甲苯磺酰基,至多有6个碳原子的烷基磺酰基,羟基和下述基团,
其中
R3和R4可相同或不同,可以是氢,至多有6个碳原子的烷基,苯基,苄基,乙酰基,乙基羰基,苯甲酰基,至多有4个碳原子的烷基磺酰基,甲苯磺酰基或苯磺酰基,
R1或代表选自以下的杂环基:呋喃基、噻吩基、吡啶基、嘧啶基、喹啉基或异喹啉基,这些杂环基可被取代,取代基为至多有4个碳原子的烷基或烷氧基,氟,氯,溴,硝基,氰基或下述基团,
其中R3和R4的定义同前述,
R1或代表至多有8个碳原子并且可被以下基团取代的直链、支链或环状烷基,取代有氟,氯,溴,苯基,呋喃基,噻吩基,吡啶基,嘧啶基,喹啉基,异喹啉基,羟基,至多有4个碳原子的烷氧基或烷硫基,至多有4个碳原子的烷氧基羰基,至多有4个碳原子的烷基磺酰基,苯磺酰基,甲苯磺酰基或下式基团,
其中
R5和R6可相同或不同,可以是氢,至多有6个碳原子的烷基,苯基,苄基,乙酰基,乙基羰基,苯甲酰基,至多有4个碳原子的烷基磺酰基,甲苯磺酰基或苯磺酰基,或
其中
R5和R6与氮原子一起形成下述环状基团:吡咯烷子基、哌啶子基、N-甲基-或N-苯基-哌嗪子基或吗啉代,
R2代表至多有6个碳原子直链或支链烷基,
式(Ⅰ)中,5位的环碳原子有S构型,并且相对于5位上取代基COOR2,4位取代基R1有顺式构型。
3、通式(Ⅰ)的化合物,
式中
R1代表可以被取代的苯基,取代基为至多有4个碳原子的烷基或烷氧基、氟、氯、溴、三氟甲基、三氟甲氧基、三氟甲硫基、硝基、氰基、至多有4个碳原子烷氧基羰基、苯磺酰基、甲苯磺酰基、至多有4个碳原子的烷基磺酰基、羟基或下式基团,
其中
R3和R4可相同或不同,可以是氢,至多有4个碳原子的烷基、苯基、苄基或乙酰基,
R1或代表呋喃基、噻吩基成吡啶基,或代表至多有6个碳原子并可被氟、氯、溴、苯基、噻吩基、吡啶基、呋喃基或至多有4个碳原子的烷氧基取代的直链、支链或环状烷基,
R2代表至多有4个碳原的直链或支链烷基,
式(Ⅰ)中,5位的环碳原子有S构型,并且相对于5位上取代基COOR2,4位的取代基R1有顺式构型。
4、(3R,4S,5S,7R)-3-羟基-5-羟基甲基苯基-1-甲基-4-苯基吡咯烷-2-酮〔(+)-黄皮酰胺〕。
5、通式(Ⅰ)的4,5-二取代γ-丁内酰胺纯对映体的制备方法,其特征在于将式(Ⅱ)的二氢吡嗪首先在惰性溶性溶剂中用酸水解,然后在惰性溶剂中由所得酸性氨基酸盐与碱反应制备游基氨基酸,接着环化游离酸;
式(Ⅰ)中
R1代表具有6-14个碳原子并且至多为五取代的芳基,取代基可以相同成不同,系选自至多各有8个碳原子的烷基、烷氧基和烷硫基,各有6-12个碳原子的芳基、芳氧基和芳硫基,有7-14个碳原子的芳烷基,卤素,三氟甲基,三氟甲氧基,二氟甲氧基,三氟甲硫基,硝基,氰基,羧基,至多有8个碳原子的烷氧基羰基,磺基,苯磺酰基,甲苯磺酰基,至多个有8个碳原子的烷基磺酰基,羟基或下式基团,
其中
R3和R4可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的烷芳基,有2-7个碳原子的酰基至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基,
R1或代表选自以下的杂环:呋喃基、噻吩基、吡啶基、嘧啶基、吡嗪基、哒嗪基、喹啉基或异喹啉基,这些杂环基至多为三取代的,取代基可相同或不同,系选自至多各有6个碳原子的烷基、烷氧基或烷硫基、卤素,苯基,硝基,氰基和下式基团,
其中R3和R4的定义同前述,
R1或代表至多有10个碳原子的并且可被以下基团取代的直链、支链或环状烷基或链烯基,取代基有卤素,6-14个碳原子的芳基,呋喃基,噻吩基,吡啶基、嘧啶基、吡嗪基,哒嗪基、喹啉基、异喹啉基、羟基,至多有6个碳原子的烷氧基和烷硫基,羧基,至多有个碳原子的烷氧基羰基,磺基,至多有6个碳原子的烷基磺基酰基,苯磺酰基,甲苯磺酰基或下式基团,
其中
R5和R6可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基,或其中
R5和R6与氮原子一起形成下述环状基团:吡咯烷子基、哌啶子基、哌嗪子基、吗啉代和硫代吗啉代,这些环状基团可被至多有4个碳原子的烷基或苯基取代,
R2代表至多有8个碳原子的直链、支链或环状烷基,
式(Ⅰ)中,5位的环碳原子有S构型,并且相对于5位上取代基COOR2,4位的取代基R1有顺式构型;
式(Ⅱ)中
R1和R2的定义同前述,
R7代表至多有4个碳原子的直链或支链烷基,
在式(Ⅱ)中,二氢吡嗪环的6位碳原子具有R构型,而式(Ⅱ)吡嗪环的3位碳原子具有S构型;如果R1比CH2COOR2基团有较高的优先选择顺序,则碳原子1′具有S构型,或者如果R1比CH2COOR2基团有较低的优先选择顺序,则碳原子1′具有R构型。
6、通式(Ⅱ)二氢吡嗪,
式中
R1代表具有6-14个碳原子并且至多为五取代的芳基,取代基可以相同或不同,系选自至多各8个碳原子的烷基、烷氧基和烷硫基,各有6-12个碳原子的芳基、芳氧基和芳硫基,有7-14个碳原子的芳烷基,卤素,三氟甲基,三氟甲氧基,二氟甲氧基,三氟甲硫基,硝基,氰基,羧基,至多有8个碳原子的烷氧羰基,磺基,苯磺酰基,甲苯酰酰基,至多有8个碳原子的烷基磺酰基,羟基或下式基团,
其中
R3和R4可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-14个碳原子的芳基,有7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基,
R1或代表选自以下的杂环:呋喃基、噻吩基、吡啶基、嘧啶基、吡嗪基、哒嗪基、喹啉基或异喹啉基,这些杂环基至多为三取代的,取代基可相同或不同,系选自至多各有有6个碳原子的烷基、烷氧基或烷硫基,卤素,苯基,硝基,氰基和下式基团,
其中R3和R4的定义的同前述,
R1或代表至多有10个碳原子并且可被以下基团取代的直链、支链或环状烷基或链烯基,取代基有卤素,有6-12个碳原子的芳基,呋喃基,噻吩基,吡啶基,嘧啶基,吡嗪基,哒嗪基,喹啉基或异喹啉基,羟基,至多有6个碳原子的烷氧基和烷硫基,羧基,至多有6个碳原子的烷氧羰基、磺基、至多有6个碳原子的烷基磺酰基,苯磺酰基,甲苯磺酰基或下式基团,
其中
R5和R6可相同或不同,可以是氢,至多有8个碳原子的烷基,有6-12个碳原子的芳基,有7-14个碳原子的芳烷基,至多有7个碳原子的酰基,至多有6个碳原子的烷基磺酰基,苯磺酰基或甲苯磺酰基,
或其中
R5和R6与氮原子一起形成下述环状基团:吡咯烷子基、哌啶子基、哌嗪子基、吗啉代和硫代吗啉代,这些环状基团可被至多有4个碳原子的烷基或苯基取代,
R2代表至多有8个碳原子的直链、支链或环状烷基,
R7代表至多有4个碳原子的直链或支链烷基,
式(Ⅱ)中,二氢吡嗪环的3位碳原子有S构型,而6位碳原子有R构型,如果R1比CH2COOR2基团有较高的优先选择顺序,则侧链的碳原子1有S构型,或如果R1比CH2COOR2基团有较低的优先选择顺序,则侧链的碳原子1有R构型。
8、根据权利要求1所述的4,5-二取代γ-丁内酰胺纯对映体(通式Ⅰ)可用于治疗疾病。
9、根据权利要求4所述的(+)-黄皮酰胺可用于治疗疾病。
10、(+)-黄皮酰胺可用来制备预防缺氧症和遗忘症的药物。
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DE19863616989 DE3616989A1 (de) | 1986-05-21 | 1986-05-21 | Enantiomerenreine 4,5-disubstituierte (gamma)-butyrolactame, verfahren zu ihrer herstellung und ihre verwendung |
DEP3616989.7 | 1986-05-21 |
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1986
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-
1987
- 1987-05-12 EP EP87106840A patent/EP0246534B1/de not_active Expired - Lifetime
- 1987-05-12 AT AT87106840T patent/ATE147729T1/de not_active IP Right Cessation
- 1987-05-12 DE DE3752001T patent/DE3752001D1/de not_active Expired - Fee Related
- 1987-05-14 US US07/050,604 patent/US4847287A/en not_active Expired - Lifetime
- 1987-05-19 CA CA000537333A patent/CA1341159C/en not_active Expired - Fee Related
- 1987-05-19 JP JP62120333A patent/JPH0830058B2/ja not_active Expired - Lifetime
- 1987-05-20 KR KR870004987A patent/KR870011089A/ko not_active Application Discontinuation
- 1987-05-21 CN CN87103770A patent/CN1017892B/zh not_active Expired
-
1995
- 1995-09-27 JP JP7273539A patent/JPH08225542A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH08225542A (ja) | 1996-09-03 |
CN1017892B (zh) | 1992-08-19 |
CA1341159C (en) | 2001-01-02 |
US4847287A (en) | 1989-07-11 |
EP0246534A3 (de) | 1989-05-24 |
JPH0830058B2 (ja) | 1996-03-27 |
ATE147729T1 (de) | 1997-02-15 |
EP0246534B1 (de) | 1997-01-15 |
KR870011089A (ko) | 1987-12-19 |
EP0246534A2 (de) | 1987-11-25 |
DE3616989A1 (de) | 1987-11-26 |
JPS6322066A (ja) | 1988-01-29 |
DE3752001D1 (de) | 1997-02-27 |
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