DK163660B - Fremgangsmaade til fremstilling af benzylalkoholderivater eller farmaceutisk acceptable syreadditionssalte deraf - Google Patents
Fremgangsmaade til fremstilling af benzylalkoholderivater eller farmaceutisk acceptable syreadditionssalte deraf Download PDFInfo
- Publication number
- DK163660B DK163660B DK502682A DK502682A DK163660B DK 163660 B DK163660 B DK 163660B DK 502682 A DK502682 A DK 502682A DK 502682 A DK502682 A DK 502682A DK 163660 B DK163660 B DK 163660B
- Authority
- DK
- Denmark
- Prior art keywords
- compound
- iii
- lower alkyl
- formula
- benzyl alcohol
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 17
- 239000002253 acid Substances 0.000 title claims description 10
- 150000003839 salts Chemical class 0.000 title claims description 9
- 238000002360 preparation method Methods 0.000 title claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical class CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title description 17
- 150000001875 compounds Chemical class 0.000 claims description 54
- -1 thionyl halide Chemical class 0.000 claims description 45
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical class OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 23
- ANOUKFYBOAKOIR-UHFFFAOYSA-N 3,4-dimethoxyphenylethylamine Chemical compound COC1=CC=C(CCN)C=C1OC ANOUKFYBOAKOIR-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000006477 desulfuration reaction Methods 0.000 claims description 17
- 230000023556 desulfurization Effects 0.000 claims description 17
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 12
- 150000008062 acetophenones Chemical class 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 125000001589 carboacyl group Chemical group 0.000 claims description 7
- 150000001350 alkyl halides Chemical class 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 230000029936 alkylation Effects 0.000 claims description 4
- 238000005804 alkylation reaction Methods 0.000 claims description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical class CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims description 3
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 2
- 235000019445 benzyl alcohol Nutrition 0.000 claims description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 2
- 229910001507 metal halide Inorganic materials 0.000 claims description 2
- 150000005309 metal halides Chemical class 0.000 claims description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 2
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 2
- 235000011150 stannous chloride Nutrition 0.000 claims description 2
- 239000001119 stannous chloride Substances 0.000 claims description 2
- 239000011592 zinc chloride Substances 0.000 claims description 2
- 235000005074 zinc chloride Nutrition 0.000 claims description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 239000000203 mixture Substances 0.000 description 19
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 18
- 239000012279 sodium borohydride Substances 0.000 description 16
- 229910000033 sodium borohydride Inorganic materials 0.000 description 16
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 9
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 239000012458 free base Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-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
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 4
- 239000000370 acceptor Substances 0.000 description 4
- 150000007530 organic bases Chemical class 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000012448 Lithium borohydride Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000002252 acyl group Chemical group 0.000 description 3
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 3
- 229960004592 isopropanol Drugs 0.000 description 3
- LAIZPRYFQUWUBN-UHFFFAOYSA-L nickel chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ni+2] LAIZPRYFQUWUBN-UHFFFAOYSA-L 0.000 description 3
- 125000004043 oxo group Chemical group O=* 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- JYYYSCGHZVOHQN-UHFFFAOYSA-N 2-[2-(3,4-dimethoxyphenyl)ethylamino]-1-(4-phenylmethoxyphenyl)ethanol Chemical compound C1=C(OC)C(OC)=CC=C1CCNCC(O)C(C=C1)=CC=C1OCC1=CC=CC=C1 JYYYSCGHZVOHQN-UHFFFAOYSA-N 0.000 description 2
- TXFPEBPIARQUIG-UHFFFAOYSA-N 4'-hydroxyacetophenone Chemical compound CC(=O)C1=CC=C(O)C=C1 TXFPEBPIARQUIG-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- KANNOVLZBGBHEB-UHFFFAOYSA-N [2-[2-[2-(3,4-dimethoxyphenyl)ethylamino]-2-sulfanylideneacetyl]phenyl] acetate Chemical compound C(C)(=O)OC1=C(C=CC=C1)C(C(=S)NCCC1=CC(=C(C=C1)OC)OC)=O KANNOVLZBGBHEB-UHFFFAOYSA-N 0.000 description 2
- 239000002168 alkylating agent Substances 0.000 description 2
- 229940100198 alkylating agent Drugs 0.000 description 2
- 230000002152 alkylating effect Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000007529 inorganic bases Chemical class 0.000 description 2
- 239000002198 insoluble material Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 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
- ORZMSMCZBZARKY-UHFFFAOYSA-N 1,3,2$l^{6}-benzodioxathiole 2,2-dioxide Chemical compound C1=CC=C2OS(=O)(=O)OC2=C1 ORZMSMCZBZARKY-UHFFFAOYSA-N 0.000 description 1
- ZJABPUSDYOXUKS-UHFFFAOYSA-N 1-(2-phenylmethoxyphenyl)ethanone Chemical compound CC(=O)C1=CC=CC=C1OCC1=CC=CC=C1 ZJABPUSDYOXUKS-UHFFFAOYSA-N 0.000 description 1
- MKYMYZJJFMPDOA-UHFFFAOYSA-N 1-(4-phenylmethoxyphenyl)ethanone Chemical compound C1=CC(C(=O)C)=CC=C1OCC1=CC=CC=C1 MKYMYZJJFMPDOA-UHFFFAOYSA-N 0.000 description 1
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 1
- 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 1
- LRTKSVBUFDTGIM-UHFFFAOYSA-N 2-[2-(3,4-dimethoxyphenyl)ethylamino]-1-phenyl-1-phenylmethoxyethanol Chemical compound C1=C(OC)C(OC)=CC=C1CCNCC(O)(C=1C=CC=CC=1)OCC1=CC=CC=C1 LRTKSVBUFDTGIM-UHFFFAOYSA-N 0.000 description 1
- PVDMDEHDTVQALP-UHFFFAOYSA-N 2-[2-(3,4-dimethoxyphenyl)ethylamino]-1-phenyl-2-phenylmethoxyethanone Chemical compound C1=C(OC)C(OC)=CC=C1CCNC(C(=O)C=1C=CC=CC=1)OCC1=CC=CC=C1 PVDMDEHDTVQALP-UHFFFAOYSA-N 0.000 description 1
- XXZCIYUJYUESMD-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(morpholin-4-ylmethyl)pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)CN1CCOCC1 XXZCIYUJYUESMD-UHFFFAOYSA-N 0.000 description 1
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 1
- ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2 ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 0.000 description 1
- YJLUBHOZZTYQIP-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=N2 YJLUBHOZZTYQIP-UHFFFAOYSA-N 0.000 description 1
- SMIOEQSLJNNKQF-UHFFFAOYSA-N 4-acetoxy acetophenone Chemical compound CC(=O)OC1=CC=C(C(C)=O)C=C1 SMIOEQSLJNNKQF-UHFFFAOYSA-N 0.000 description 1
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 1
- 229940073735 4-hydroxy acetophenone Drugs 0.000 description 1
- CONKBQPVFMXDOV-QHCPKHFHSA-N 6-[(5S)-5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-2-oxo-1,3-oxazolidin-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C[C@H]1CN(C(O1)=O)C1=CC2=C(NC(O2)=O)C=C1 CONKBQPVFMXDOV-QHCPKHFHSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 1
- AEMRFAOFKBGASW-UHFFFAOYSA-M Glycolate Chemical compound OCC([O-])=O AEMRFAOFKBGASW-UHFFFAOYSA-M 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-L Malonate Chemical compound [O-]C(=O)CC([O-])=O OFOBLEOULBTSOW-UHFFFAOYSA-L 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- JVLJNSDNQFPWRC-UHFFFAOYSA-N N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-hydroxyphenyl)-2-oxoethanethioamide Chemical compound OC1=C(C=CC=C1)C(C(=S)NCCC1=CC(=C(C=C1)OC)OC)=O JVLJNSDNQFPWRC-UHFFFAOYSA-N 0.000 description 1
- RFSKGUDICZTWPZ-UHFFFAOYSA-N N-[2-(3,4-dimethoxyphenyl)ethyl]-2-oxo-2-(2-phenylmethoxyphenyl)ethanethioamide Chemical compound C(C1=CC=CC=C1)OC1=C(C=CC=C1)C(C(=S)NCCC1=CC(=C(C=C1)OC)OC)=O RFSKGUDICZTWPZ-UHFFFAOYSA-N 0.000 description 1
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 229940064734 aminobenzoate Drugs 0.000 description 1
- 239000003472 antidiabetic agent Substances 0.000 description 1
- 229940125708 antidiabetic agent Drugs 0.000 description 1
- 229940072107 ascorbate Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 229940009098 aspartate Drugs 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
- RDHPKYGYEGBMSE-UHFFFAOYSA-N bromoethane Chemical compound CCBr RDHPKYGYEGBMSE-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000000496 cardiotonic agent Substances 0.000 description 1
- 230000003177 cardiotonic effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012230 colorless oil Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002024 ethyl acetate extract Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- FIMAYKDZLLQUDW-UHFFFAOYSA-N fluoro(dioxido)borane;trimethyloxidanium Chemical compound C[O+](C)C.C[O+](C)C.[O-]B([O-])F FIMAYKDZLLQUDW-UHFFFAOYSA-N 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000012280 lithium aluminium hydride Substances 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- BGAXCPSNMHVHJC-UHFFFAOYSA-N phenacyl acetate Chemical compound CC(=O)OCC(=O)C1=CC=CC=C1 BGAXCPSNMHVHJC-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/075—Ethers or acetals
- A61K31/085—Ethers or acetals having an ether linkage to aromatic ring nuclear carbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/08—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions not involving the formation of amino groups, hydroxy groups or etherified or esterified hydroxy groups
-
- 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
- A61K31/13—Amines
- A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/10—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/46—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C215/56—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups
- C07C215/58—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups with hydroxy groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain
- C07C215/60—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups with hydroxy groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain the chain having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/54—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C217/56—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms
- C07C217/60—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms linked by carbon chains having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/54—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C217/64—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by singly-bound oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/54—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C217/64—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by singly-bound oxygen atoms
- C07C217/66—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by singly-bound oxygen atoms with singly-bound oxygen atoms and six-membered aromatic rings bound to the same carbon atom of the carbon chain
- C07C217/70—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by singly-bound oxygen atoms with singly-bound oxygen atoms and six-membered aromatic rings bound to the same carbon atom of the carbon chain linked by carbon chains having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C235/32—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
- C07C235/34—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/23—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
Description
i
DK 163660 B
Den foreliggende opfindelse angår en særlig fremgangsmåde til fremstilling af benzylalkoholderivater med formlen
OH
)—r0CH3 lA)-- NH-CH-CH-—// M--0CH, (I)
\=J
hvor R1 betyder hydrogen eller phenyl-lavere alkyl, eller 5 farmaceutisk acceptable salte deraf.
BenzylalkohoIderivaterne (I) eller deres farmaceutisk acceptable syreadditionssalte er kendt for at være anvendelige som cardiotoniske eller anti-diabetiske midler, jvf. USA--patentskrift nr. 4.032.575.
10 Fra dette patentskrift er det kendt, at forbindelserne (I) kan fremstilles ved, at en a-halogen-monobenzyloxyacetophenon (A) kondenseres med 3,4-dimethoxyphenethylamin (B) til dannelse af en a-(3,4-dimethoxyphenethylamino)-monobenzyloxy-acetophenon (C), forbindelsen (C) eventuelt reduceres til 15 dannelse af en a-(3,4-dimethoxyphenethylaminomethyl)-mono-benzyloxybenzylalkohol (D), hvorpå forbindelsen (C) eller (D) underkastes katalytisk hydrogénering.
Det har vist sig, at benzylalkoholderivaterne med formlen I kan fremstilles på særlig fordelagtig måde.
20 I overensstemmelse hermed er fremgangsmåden ifølge opfindelsen ejendommelig ved, at a) et acetophenonderivat med formlen 0
r2o--I
(II) 2
DK 163660 B
2 hvor R betyder hydrogen, alkanoyl eller phenyl-lavere alkyl, omsættes med et thionylhalogenid, b) den fremkomne forbindelse omsættes med 3,4-dimethoxyphen-ethylamin til dannelse af et thioacetamidderivat med formlen
O
2 r^VV /TT0CH3 5 RO--I NH-CH2CH2_// X)-0CH3 (III) S/ \=/ 2 hvor R har den ovenfor angivne betydning, og c-1) forbindelsen (III) underkastes reducerende afsvovling, eller c-2) forbindelsen (III) ansættes med et lavere alkylhalogenid eller 10 et tri (lavere alkyl) oxoniurafluoroborat til dannelse af et acetophenondé-rivat med formlen .. I· S-R3 \ v E20--I N-CH2CH2_// 'V-OCHj (IV)
WJ
3 2 hvor R betyder lavere alkyl, og R har den ovenfor angivne betydning, og forbindelsen (IV) underkastes reducerende afsvovling, eller 15 c-3) forbindelsen (III) reduceres til dannelse af et benzyl- alkoholderivat med formlen
OH
i _^yV
RO--I NH-CH2CH2_// \\_OCH3 (V)
\=J
hvor R^· har den ovenfor angivne betydning, forbindelsen (V) omsættes med et lavere alkylhalogenid eller et tri(lavere 20 alkyl)oxoniumfluoroborat til dannelse af et benzylalkohol- derivat med formlen
DK 163660 B
3 OH ,
li S-R
-t-och3 RX0--I N-CH2CH2_// \\-OCH3 (VI) v=/ 1 3 hvor R og R har den ovenfor angivne betydning, og forbindelsen (VI) underkastes reducerende afsvovling.
2
Foretrukne eksempler på R i det acetophenonderivat (II), 5 der anvendes som udgangsmateriale ved den her omhandlede fremgangsmpde, indbefatter hydrogen, acetyl og propionyl, samt phenyl-lavere alkyl, såsom benzyl. Desuden anvendes thionylchlorid fortrinsvis som ovennævnte thionylhalogenid. Foretrukne eksempler på R3 er methyl og ethyl.
10 Omsætningen af acetophenonderivatet (II) med thionylhalo-genidet gennemføres ved opløsning af forbindelsen (II) i thionylhalogenidet og omrøring af opløsningen. Denne omsætning gennemføres fortrinsvis i nærværelse af en katalytisk mængde af en organisk base. Eksempler på egnede 15 sådanne organiske baser indbefatter pyridin, tri- ethylamin og dimethylanilin. En hensigtsmæssig mængde af det thionylhalogenid, der skal anvendes, ligger på ca.
3-10 mol pr. mol acetophenonderivat (II). Det foretrækkes at gennemføre omsætningen ved en temperatur mellem 10 20 og 50°C. Det på denne måde fremkomne reaktionsprodukt, der antages at være en blanding af nedenstående to forbindelser:
0 O
II II
cH-s-x c~s r1o--I i 03 r1o— I x hvor X betyder halogen, og R har den ovenfor angivne betydning, bør fortrinsvis anvendes i det efterfølgende trin 25 uden isolering og/eller rensning fra reaktionsopløsningen.
DK 163660 B
4
Omsætningen af ovennævnte produkt med 3f4-dimethoxypheneth-ylamin kan gennemføres i nærværelse eller fraværelse af en syreacceptor i et egnet opløsningsmiddel. Eksempler på egnede syreacceptorer indbefatter organiske baser, såsom pyri-5 din, triethylamin, dimethylanilin og N-methylpyrrolidin, og uorganiske baser, såsom kaliumcarbonat, natriumcarbonat, natriumhydrogencarbonat og natriumhydroxid. Et organisk opløsningsmiddel, f.eks. benzen, chloroform, methylenchlorid, ethylacetat og dimethylformamid, eller en blanding af det 10 organiske opløsningsmiddel og vand er egnet som opløsningsmidlet. Det foretrækkes at gennemføre omsætningen ved en temperatur mellem 0 og 30°C.
Benzylalkoholderivatet (I) kan fremstilles ud fra det på denne måde fremkomne thioacetamidderivat (III) ved en hvil-15 ken som helst af de ovennævnte fremgangsmåder c-1), c-2) og c-3) .
Ved fremgangsmåde c-1) fremstilles benzylalkoholderivatet (I) nemlig ved, at forbindelsen (III) underkastes reducerende afsvovling. Den reducerende afsvovling af forbindel-20 sen (III) kan gennemføres ved behandling af forbindelsen med et reduktionsmiddel i nærværelse af et metalhalogenid i et egnet opløsningsmiddel. Eksempler på egnede metalhå-logenider indbefatter nikkelchlorid, ferrochlorid, stanno-chlorid, zinkchlorid og cobaltchlorid.· Eksempler på egne-25 de reduktionsmidler indbefatter alkalimetalborhydrider, såsom natriumborhydrid og lithiumborhydrid. Alkanoler, såsom methanol, ethanol og propanol, tetrahydrofuran, dioxan og dimethoxyethan er egnede som opløsningsmidlet. Det foretrækkes at gennemføre omsætningen ved en temperatur mellem 30 20 og 50°C. Under denne omsætningsproces sker afsvovlingen af forbindelsen (III) og reduktionen af oxogruppen i nabostillingen samtidigt. Når der ved denne omsætning anvendes 2 en forbindelse (III) , hvor R betyder alkanoyl·, hydrolyseres alkanoylgruppen endvidere samtidigt med afsvovlings-
DK 163660B
5 og reduktionsreaktionerne til dannelse af benzylalkoholde- rivatet (I), hvor R betyder hydrogen.
Ifølge fremgangsmåde c-2) fremstilles benzylalkoholderiva-tet (I) ved, at forbindelsen (III) alkyleres, og den frem-5 komne forbindelse (IV) underkastes reducerende afsvovling.
Alky leringen af forbindelsen (III) kan gennemføres ved behandling af denne med et alkyleringsmiddel i nærværelse eller fraværelse af en syreacceptor i et egnet opløsningsmiddel. Eksempler på egnede alky leringsmidler indbefatter 10 lavere alkylhalogenider, såsom methyliodid eller ethyl-bromid, og tri-(lavere alkyl)-oxoniumfluorborater, såsom trimethyloxoniumfluorborat eller triethyloxoniumfluor-borat. Eksempler på egnede syreacceptorer indbefatter uorganiske baser, såsom kaliumcarbonat, natriumcarbonat 15 eller natriumhydrogencarbonat, og organiske baser, såsom pyridin, triethylamin eller l,5-diazabicyclo[4,5,0]-5-un-decen. Methylenchlorid, acetone, chloroform, methanol, ethanol, ether, dimethyIformamid, tetrahydrofuran og lignende er egnede som opløsningsmidler. Det foretrækkes at 20 gennemføre omsætningen ved en temperatur mellem 0 og 30°C.
Ved denne omsætning fremstilles acetophenonderivatet (IV).
Den på denne måde fremkomne forbindelse (IV) kan fortrinsvis anvendes på det efterfølgende trin uden isolering og/-eller rensning fra reaktionsopløsningen.
25 Den reducerende afsvovling af forbindelsen (IV) kan gennemføres ved at behandle denne med et reduktionsmiddel i et egnet opløsningsmiddel. Eksempler på egnede reduktionsmidler indbefatter alkalimetalborhydrider, f.eks. natriumbor-hydrid og lithiumborhydrid, samt lithiumaluminiumhydridi 30 Alkanoler, f.eks. methanol, ethanol og propanol, tetrahydrofuran, dioxan og dimethoxyethan er egnede som opløsningsmidlet. Det foretrækkes at gennemføre reaktionen ved en temperatur mellem 0 og 30°C. Ved dette reaktionstrin fjernes alkylthiogruppen i forbindelsen (IV) samtidigt med reduk-
DK 163660 B
6 tionen af oxogruppen deri. Når der i dette trin anvendes 2 en forbindelse (IV) , hvor R betyder alkanoyl, hydrolyseres denne alkanoylgruppe også samtidigt med ovennævnte reaktioner .
5 Alternativt kan benzylalkoholderivatet (I) fremstilles ved fremgangsmåde c-3), dvs. ved at reducere forbindelsen (III) til dannelse af et benzylalkoholderivat (V), alkylere forbindelsen (V) til dannelse af et benzylalkoholderivat (VI) og underkaste forbindelsen (VI) reducerende afsvovling.
10 Reduktionen af forbindelsen (III) kan gennemføres ved at behandle« denne med et reduktionsmiddel i et egnet opløsningsmiddel. Eksempler på egnede reduktionsmidler indbefatter alkalimetalborhydrider/ såsom natriumborhydrid og lithium-borhydrid. Alkanoler, f.eks. methanol, ethanol og propanol, 15 tetrahydrofuran og dioxan er egnede som opløsningsmidler.
Det foretrækkes at gennemføre reaktionen ved en temperatur o mellem 0 og 30 C. Når der i dette reaktionstrin anvendes 2 en forbindelse (III), hvor R betyder alkanoyl, sker reduktionen af oxogruppen i forbindelsen (III) samtidigt med 20 hydrolysen af alkanoylgruppen.
Den efterfølgende alkylering af forbindelsen (V) og reducerende afsvovling af forbindelsen (VI) kan gennemføres under samme betingelser som anvendt ved henholdsvis alkylerin-gen af forbindelsen-'(III) eller-den.reducerende afsvovling 25 af forbindelsen (IV) ved fremgangsmåde c-2).
De benzylalkcholderivater (I), der fremstilles ved den her omhandlede fremgangsmåde, kan om nødvendigt omdannes til farmaceutisk acceptable syreadditionssalte deraf. Eksempler på egnede salte indbefatter uorganiske syreadditionssalte, 30 såsom hydrochlorid, hydrobromid, perchlorat, nitrat, sulfat og phosphat, og organiske syreadditionssalte, såsom acetat, propionat, glycolat, lactat, ascorbat, maleat, fumarat, ma-lonat, succinat, oxalat, citrat, methansulfonat, benzensul-
DK 163660 B
7 fonat, aminobenzoat, sulfaminat, aspartat, glutamat og ni-cotinat.
Den ovenfor beskrevne, her omhandlede fremgangsmåde· gør det muligt at fremstille benzylalkoholderivater (I) i et højt 5 udbytte uden uønskede sidereaktioner, og den er hensigtsmæssig til fremstilling af disse benzylalkoholderivater (I) i industriel målestok. Eftersom mellemprodukterne (III) ifølge opfindelsen er helt stabile og let kan isoleres og renses på konventionelle måder/ er den her omhandlede frem-10 gangsmåde endvidere også fordelagtig, fordi benzylalkohol-derivaterne (I) fremkommer i høj renhed uden forurening med uønskede biprodukter.
I den foreliggende beskrivelse og krav skal udtrykket "lavere alkyl" og "lavere alkanoyl" fortrinsvis betyde lige-15 kædet eller forgrenet alkyl og alkanoyl aoed 1-4 car-bonatomer.
Nedenstående eksempler tjener til illustrering af fremgangsmåden ifølge den foreliggende opfindelse:
Eksempel 1 20 1) 4,97 g 4-benzyloxyacetophenon opløses i 15 ml thionyl- chlorid/ og 0,02 ml pyridin tilsættes. Blandingen omrøres ved s tuetemperatur i 5 timer. Blandingen koncentreres under formindsket tryk til fjernelse af overskud af thionylchlorid. Remanensen opløses i 30 ml benzen. Opløsningen sættes til en 25 blanding af 4,78 g 3,4-dimethoxyphenethylamin, 90 ml vandig 10%'s kaliumcarbonatopløsning og 50 ml benzen, og blandingen omrøres ved stuetemperatur i 4 timer. Benzenopløsningen skilles fra reaktionsblandingen, og det vandige lag ekstra-heres med ethylacetat. Benzenopløsningen og ethylacetateks-30 trakten forenes og vaskes successivt med vand, 10%’s saltsyre og vand. Det organiske lag tørres og inddampes under
DK 163660 B
8 formindsket tryk. Remanensen omkrystalliseres fra ethanol.
Der fremkommer 7,67 g 2-(4-benzyloxyphenyl)-2-oxo-N-(3,4--dimethoxyphenethyl)-thioacetamid i form af bleggule nåle. Udbytte: 80,1%. Smp.: 132 - 133°C.
5 2) 500 mg 2-(4-benzyloxyphenyl)-2-oxo-N-(3,4-dimethoxyphen- ethyl)-thioacetamid og 610 mg nikkelchlorid, hexahydrat opløses i 30 ml methanol, og 700 mg natriumborhydrid tilsættes ved stuetemperatur. Blandingen omrøres ved samme temperatur i 1,5 timer. Uopløselige materialer frafiltreres, og 10 filtratet koncentreres under formindsket tryk. Remanensen opløses i chloroform, vaskes med vand, tørres og inddampes dernæst under formindsket tryk. Remanensen behandles med ethanolisk saltsyre, og de krystallinske udfældede materialer opsamles ved filtrering. Der fremkommer 360 mg a-(3,4-15 -dime thoxyphenethylaminome thyl) -4-benzyloxybenzylalkohol- -hydrochlorid.
Udbytte: 70%. Smp.: 168 - 170°C.
Eksempel 2 2,0 g 2-(4-benzyloxyphenyl)-2-oxo-N-(3,4-dimethoxyphenethyl)-20 -thioacetamid opløses i 40 ml methylenchlorid, og 1,05 g triethyloxoniumfluorborat tilsættes. Efter omrøring af blandingen ved stuetemperatur i 1,5 time koncentreres blandingen under formindsket tryk. Remanensen opløses i 30 ml ethanol, og der tilsættes 2,1 g natriumborhydrid. Blandingen omrøres 25 ved stuetemperatur i 1 time. Vand hældes ud i reaktionsblandingen, og blandingen koncentreres under formindsket tryk.
De krystallinske, udfældede materialer opsamles ved filtrering, og krystallerne vaskes med vand og omkrystalliseres dernæst fra isopropanol. Der fremkommer 1,45 g a-(3,4-di-30 methoxyphenethylaminomethyl) -4-benzyloxybenzylalkohol (fri base) i form af farveløse nåle.
Udbytte: 77,5%. Smpi.: 114,5 - 116°C.
DK 163660 B
9
Eksempel 3 2,2 g 2-(4-benzyloxyphenyl)-2-oxo-N-(3,4-dimethoxyphenethyl)--thioacetamid opløses i 30 ml acetone, og 850 mg kalium-carbonat og 1,0 g methyliodid tilsættes. Blandingen’ omrøres 5 ved stuetemperatur natten over. Uopløselige materialer fra-filtreres, og filtratet koncentreres under formindsket tryk. Remanensen opløses i 50 ml methanol, og der tilsættes 300 mg natriumborhydrid. Blandingen omrøres ved stuetemperatur i 30 minutter. Dernæst behandles reaktionsblandingen på samme 10 måde som beskrevet i eksempel 2. Der fremkommer 1,65 g a- (3,4-dimethoxyphenethylaminomethyl) -4-benzyloxybenzylal-kohol (fri base) i form af farveløse nåle.
Udbytte: 80 %.
De fysisk-kemiske egenskaber af dette produkt er identiske 15 med de fysisk-kemiske egenskaber af den i eksempel 2 fremstillede forbindelse.
Eksempel 4 1) 8,0 g 2-(4-benzyloxyphenyl)-2-oxo-N-(3,4-dimethoxyphen-ethyl)-thioacetamid opløses i 150 ml methanol, og 500 ml 20 natriumborhydrid tilsættes. Blandingen omrøres ved stuetemperatur i 1 time. Blandingen koncentreres under formindsket tryk. Remanensen opløses i chloroform, vaskes med vand, tørres og inddampes under formindsket tryk. Remanensen omkrystalliseres fra isopropanol. Der fremkommer 7,5 g 2-(4-25 -benzyloxyphenyl) -2-hydroxy-N- (3,4-dimethoxyphenethyl) - thio acetamid i form af farveløse nåle.
Udbytte: 93%. Smp.: 82 - 84°C.
2) 1,0 g 2-(4-benzyloxyphenyl)-2-hydroxy-N-(3,4-dimethoxyphenethyl)-thioacetamid opløses i 20 ml methylenchlorid, og 30 460 mg triethyloxoniumfluorborat tilsættes. Efter omrøring af blandingen ved stuetemperatur i 30 minutter koncentreres blandingen under formindsket tryk. Remanensen opløses i en blanding af 20 ml methanol og 20 ml chloroform, og 440 mg
DK 163660 B
10 natriumborhydrid tilsættes. Blandingen omrøres ved stuetemperatur i 1 time. Dernæst behandles reaktionsblandingen på samme måde som beskrevet i eksempel 2. Der fremkommer 780 mg a-(3,4-dimethoxyphenethylaminomethyl)-4-benzyloxybenzylal-5 kohol (fri base) i form af farveløse nåle.
Udbytte: 84%.
De fysisk-kemiske egenskaber af dette produkt er identiske med de fysisk-kemiske egenskaber af den i eksempel 2 fremstillede forbindelse.
10 Eksempel 5 1) 5,34 g 4-acetoxyacetophenon, 20 ml thionylchlorid, 0,03 ml pyridin og 6,51 g 3,4-dimethoxyphenethylamin behandles på samme måde som beskrevet i eksempel 1, 1) . Der fås 8,5 g 2-(4-acetoxyphenyl)-2-oxo-N-(3,4-dimethoxyphenethyl)- 15 -thioacetamid i form af en bleggul olie.
Udbytte: 73%.
IR V (om”1): 1755, 1665 max.
Masse m/e: 387 (M+) NMR (CDCl3)<f: 2,30 (s, 3H, CH3COO-) , 3,00 (t, 2H, J=7,5 Hz, 20 -CH2-CH2-), 3,84 (s, 6H, -OCH3x2).
2) 1,94 g 2-(4-acetoxyphenyl)-2-oxo-N-(3,4-dimethoxyphen-ethyl)-thioacetamid, 1,14 g triethyloxoniumfluorborat og 1,0 g natriumborhydrid behandles på samme måde som beskrevet i eksempel 2. Der fremkommer 1,47 g a-(3,4-dimethoxy- 25 phenethylaminomethyl) -4-hydroxybenzylalkohol i form af farveløse prismer.
Udbytte: 92%. Smp.: 151 - 153°C.
Eksempel 6 1) 4,08 g 4-hydroxyacetophenon, 12 ml thionylchlorid, 30 0,06 ml pyridin og 6,51 g 3,4-dimethoxyphenethylamin behand les på samme måde som beskrevet i eksempel 1, 1) . Der frem-
DK 163660 B
11 kommer 3,1 g 2-(4-hydroxyphenyl)-2-oxo-N-(3,4-dimethoxyphen-ethyl)-thioacetamid i form af bleggule nåle.
Udbytte: 30%. Smp.: 179 - 180°C (omkrystallisation fra ethanol).
5 2) 1,0 g 2-(4-hydroxyphenyl)-2-oxo-N-(3,4-dimethoxyphen- ethyl)-thioacetamid, 1,37 g nikkelchlorid, hexahydrat og 1,1 g natriumborhydrid behandles på samme måde som beskrevet i eksempel 1, 2). Der fremkommer 230 mg a-(3,4-dimeth-oxyphenethylaminomethyl)-4-hydroxybenzylalkohol i form af 10 farveløse prismer.
Udbytte: 25%.
De fysisk-kemiske egenskaber af dette produkt er identiske med de fysisk-kemiske egenskaber af den i eksempel 5, 2) fremstillede forbindelse.
15 Eksempel 7 1,58 g 2-(4-hydroxyphenyl)-2-oxo-N-(3,4-dimethoxyphenethyl)--thioacetamid, 1,13 g triethyloxoniumfluorborat og 870 mg natriumborhydrid behandles på samme måde som beskrevet i eksempel 2. Der fremkommer 940 mg a-(3,4-dimethoxyphen-20 ethylaminomethyl)-4-hydroxybenzylalkohol i form af farveløse prismer.
Udbytte: 65%.
De fysisk-kemiske egenskaber af dette produkt er identiske med de fysisk-kemiske egenskaber af den i eksempel 5, 2) 25 fremstillede forbindelse.
Eksempel 8 1) 6,78 g 2-benzyloxyacetophenon, 21 ml thionylchlorid, 0,05 ml pyridin og 6,54 g 3,4-dimethoxyphenethylamin behandles på samme måde som beskrevet i eksempel 1, 1). Der frem-30 kommer 10,3 g 2-(2-benzyloxyphenyl)-2-oxo-N-(3,4-dimethoxyphenethyl) -thioacetamid i form af bleggule prismer.
DK 163660B
12
Udbytte: 79%. Smp.: 112 - 114°C.
2) 500 mg 2-(2-benzyloxyphenyl)-2-oxo-N-(3,4-dimethoxy- phenethyD-thioace tamid, 900 mg nikkelchlorid, hexahydrat og 700 mg natriumborhydrid behandles på samme måde som be-5 skrevet i eksempel 1, 2). Der fremkommer 165 mg a-(3,4-di-methoxyphenethylaminomethyl)-2-benzyloxybenzylalkohol-hy-drochlorid i form af farveløse nåle.
Udbytte: 32%. Smp.: 159 - 160°C.
Eksempel 9 10 2,0 g 2- (2-benzyloxyphenyl) -2-oxo-N- (3,4-dime thoxy phene thyl) - -thioacetamid, 1,13 g triethyloxoniumfluorborat og 870 mg natriumborhydrid behandles på samme måde som beskrevet i eksempel 2. Der fremkommer 1,65 g a-(3,4-dimethoxyphenethyl-aminomethyl)-2-benzyloxybenzylalkohol (fri base) i form af 15 farveløse nåle.
Udbytte: 82%. Smp.: 95 - 97°C (omkrystallisation fra iso-propanol).
Eksempel 10 2,2 g 2-(2-benzyloxyphenyl)-2-oxo-N-(3,4-dimethoxyphenethyl)-20 -thioacetamid, 850 mg kaliumcarbonat, 1,0 g methyliodid og 300 mg natriumborhydrid behandles på samme måde som beskrevet i eksempel 3. Der fremkommer 1,1 g a-(3,4-dimethoxy-phenethylaminomethyl)-2-benzyloxybenzyllakohol (fri base) i form af farveløse nåle.
25 Udbytte: 53%.
De fysisk-kemiske egenskaber af dette produkt er identiske med de fysisk-kemiske egenskaber af den i eksempel 9 fremstillede forbindelse« * Eksempel 11 30 1) 2,73 g 2-hydroxyacei:ophenon, 8 ml thionylchlorid, 0,03 ml pyridin og 2,53 g 3,4-dimethoxyphenethylamin behandles på
DK 163660 B
13 samme måde som beskrevet i eksempel 1, 1). Der fremkommer 4,0 g 2-(2-hydroxyphenyl)-2-oxo-N-(3,4-dimethoxyphenethyl)--thioacetamid i form af bleg-rødbrune nåle.
Udbytte: 58%. Smp.: 166 - 168°C (omkrystallisation fra eth-5 anol).
2) 1,58 g 2-(2-hydroxyphenyl)-2-oxo-N-(3,4-dimethoxyphen- ethyl)-thioacetamid, 1,13 g triethyloxoniumfluorborat og 1,4 g natriumborhydrid behandles på samme måde som beskrevet i eksempel 2. Der fremkommer 850 mg a-(3,4-dimethoxy-10 phenethylaminomethy1)-2-hydroxybenzylalkohol i form af en farveløs olie.
Udbytte: 58%.
Oxalat af produktet: Smp.: 175 - 176°C.
Eksempel 12 15 1) 1,78 g 2-acetoxyacetophenon, 6 ml thionylchlorid, 0,02 ml pyridin og 1,27 g 3,4-dimethoxyphenethylamin behandles på samme måde som beskrevet i eksempel 1, 1). Der fremkommer 1,37 g 2-(2-acetoxyphenyl)-2-oxo-N-(3,4-dimethoxy-phenethyl)-thioacetamid i form af en bleggul olie.
20 Udbytte: 35,4%.
IRp^13 (cm"1): 1760, 1670
IumX ♦
Hasse m/e: 387 (M+) NMR (CDC13) s · 2,20 (s, 3H, CH-jCOO-) , 2,94 (t, 2H, J=7,5 Hz, -CH2-CH2-), 3,85 (s, 6H,-OCH3x2).
25 2) 2-(2-Acetoxyphenyl)-2-oxo-N-(3,4-dimethoxyphenethyl)- -thioacetamid, triethyloxoniumfluorborat og natriumbor-hydrid behandles på samme måde som beskrevet i eksempel 2.
Der fremkommer a- (3,4-dime thoxy phenethy laminomethy 1)-2--hydroxybenzylalkohol.
30 De fysisk-kemiske egenskaber af dette produkt er identiske med de fysisk-kemiske egenskaber af den i eksempel 11, 2) fremstillede forbindelse.
Claims (3)
1. Fremgangsmåde til fremstilling af benzylalkoholderivater med formlen OH 1 'T°CE3 Έ^Ο--I NH-CH2CH 2J! νθΟΗ3 (I) A=/ 5 hvor R^ betyder hydrogen eller phenyl-lavere alkyl, eller farmaceutisk acceptable syreadditionssalte deraf, kende-t.e g n e t ved, at a) et acetophenonderivat med formlen \ r1o--t (II) 2 10 hvor R betyder hydrogen, alkanoyl eller phenyl-lavere alkyl, omsættes med et thionylhalogenid, b) den fremkomne forbindelse omsættes med 3,4-dimethoxyphen-ethylamin til dannelse af et thioacetamidderivat med formlen 0 II J-r-0CH3 R10--I NH-CH2CH
2-J! ^V0CH3 (111) \=J 15 hvor R har den ovenfor angivne betydning, og c-1) forbindelsen (III) underkastes reducerende afsvovling eller c-2) forbindelsen (III) omsættes med et lavere alkylhaloge-nid eller et tri(lavere alkyl)oxoniumfluoroborat til dannelse af et acetophenonderivat med formlen DK 163660 B 15 0 ? . *1 S-R3 /-t0CH3 R10--j N-CH2CH2 —P \y_0CH3 (IV) X=J 3 2 hvor R betyder lavere alkyl, og R har den ovenfor angivne betydning, og forbindelsen (IV) underkastes reducerende afsvovling, eller 5 c-3) forbindelsen (III) reduceres til dannelse af et benzyl- alkoholderivat med formlen ,--^-och3 rX0 —— I nh-ch2ch2-// '\_och3 (V) \=/ hvor R·*· har den ovenfor angivne betydning, forbindelsen (V) ansættes med et lavere alkylhalogenid eller et tri (lavere alkyl) oxonium-10 fluoroborat til dannelse af et benzylalkoholderivat med formlen OH ^ f^VV 1-r0CH3 R1©--I N-CH2CH2—(j n_OCH3 (VI) \=J 1 3 hvor R og R har den ovenfor angivne betydning, og forbindelsen (VI) underkastes reducerende afsvovling, hvorefter, d) om ønsket, det på denne måde fremkomne benzylalkoholderi-15 vat (I) omdannes til et farmaceutisk acceptabelt syreadditionssalt deraf. Fremgangsmåde ifølge krav 1,kendetegnet ved, at den reducerende afsvovling af forbindelsen (III) gennemføres ved anvendelse af et alkalimetalborhydrid som reduk-20 tionsmiddel i nærværelse af et metalhalogenid, valgt blandt nikkelchlorid, ferrochlorid, stannochlorid, zinkchlorid og DK 163660 B 16 cobaltchlorid, i et opløsningsmiddel, alkyleringen af forbindelsen (III) eller forbindelsen (V) gennemføres i nærværelse eller fraværelse af en syreacceptor i et opløsningsmiddel .
3. Fremgangsmåde ifølge krav 2, kendetegnet ved, at den reducerende afsvovling af forbindelsen (III) gennemføres ved en temperatur mellem 20 og 50°C, omsætningen af forbindelsen (III) eller forbindelsen (V) med lavere alkyl-halogenid eller tri(lavere alkyl)oxoniumfluoroborat gennemføres ved en temperatur mellem 0 og 30°C, og den reducerende afsvovling af forbindelsen (IV) eller (VI) gennemføres ved en temperatur mellem 0 og 30°C.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56181951A JPS5883661A (ja) | 1981-11-12 | 1981-11-12 | ベンジルアルコ−ル誘導体の製法 |
JP18195181 | 1981-11-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK502682A DK502682A (da) | 1983-05-13 |
DK163660B true DK163660B (da) | 1992-03-23 |
DK163660C DK163660C (da) | 1992-08-17 |
Family
ID=16109721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK502682A DK163660C (da) | 1981-11-12 | 1982-11-11 | Fremgangsmaade til fremstilling af benzylalkoholderivater eller farmaceutisk acceptable syreadditionssalte deraf |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5883661A (da) |
KR (1) | KR870000471B1 (da) |
AT (1) | AT382866B (da) |
CA (1) | CA1196342A (da) |
CH (1) | CH650247A5 (da) |
DK (1) | DK163660C (da) |
ES (1) | ES517297A0 (da) |
HU (1) | HU189190B (da) |
IT (1) | IT1191227B (da) |
SE (1) | SE454775B (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4579972A (en) * | 1983-04-28 | 1986-04-01 | Smithkline Beckman Corporation | Intermediates for preparing secondary amines |
JPH0735693U (ja) * | 1993-12-14 | 1995-07-04 | 協和電機化学株式会社 | ガラス扉の突き合わせ部密封用シール |
US7985168B2 (en) | 2009-03-25 | 2011-07-26 | Graa Innovations, Llc | Power stride apparatus and method of training therefor |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5310974B2 (da) * | 1974-06-10 | 1978-04-18 | ||
JPS6241829Y2 (da) * | 1980-03-28 | 1987-10-26 |
-
1981
- 1981-11-12 JP JP56181951A patent/JPS5883661A/ja active Granted
-
1982
- 1982-11-05 CA CA000415011A patent/CA1196342A/en not_active Expired
- 1982-11-08 CH CH6482/82A patent/CH650247A5/de not_active IP Right Cessation
- 1982-11-09 SE SE8206352A patent/SE454775B/sv not_active IP Right Cessation
- 1982-11-11 DK DK502682A patent/DK163660C/da not_active IP Right Cessation
- 1982-11-11 HU HU823632A patent/HU189190B/hu not_active IP Right Cessation
- 1982-11-11 AT AT0409882A patent/AT382866B/de not_active IP Right Cessation
- 1982-11-11 ES ES517297A patent/ES517297A0/es active Granted
- 1982-11-11 KR KR828205098A patent/KR870000471B1/ko active
- 1982-11-11 IT IT68332/82A patent/IT1191227B/it active
Also Published As
Publication number | Publication date |
---|---|
SE8206352D0 (sv) | 1982-11-09 |
KR870000471B1 (ko) | 1987-03-11 |
IT1191227B (it) | 1988-02-24 |
ATA409882A (de) | 1986-09-15 |
JPS5883661A (ja) | 1983-05-19 |
HU189190B (en) | 1986-06-30 |
SE454775B (sv) | 1988-05-30 |
AT382866B (de) | 1987-04-27 |
JPS6121620B2 (da) | 1986-05-28 |
CA1196342A (en) | 1985-11-05 |
IT8268332A0 (it) | 1982-11-11 |
CH650247A5 (en) | 1985-07-15 |
KR840002343A (ko) | 1984-06-25 |
DK502682A (da) | 1983-05-13 |
ES8401013A1 (es) | 1983-12-01 |
SE8206352L (sv) | 1983-05-13 |
ES517297A0 (es) | 1983-12-01 |
DK163660C (da) | 1992-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2611244B2 (ja) | チアゾリジンジオン誘導体の製造法 | |
AU2007237482B2 (en) | Synthesis of acylaminoalkenylene amides useful as substance p antagonists | |
US5225585A (en) | Production of fluoxetine and new intermediates | |
KR940007746B1 (ko) | 치환된 펜에틸아민 유도체의 제조방법 | |
JPS6317832B2 (da) | ||
JP3850838B2 (ja) | トランス−4−アミノ−1−シクロヘキサンカルボン酸誘導体の製造方法 | |
FI91064C (fi) | Menetelmä terapeuttisesti vaikuttavien 3-(N-asyylietyyli-aminoalkyyli)-kromaanien ja -1,4-dioksaanien valmistamiseksi | |
DK163660B (da) | Fremgangsmaade til fremstilling af benzylalkoholderivater eller farmaceutisk acceptable syreadditionssalte deraf | |
US3960856A (en) | Process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2-benzothiazine 1,1-dioxide | |
SU786895A3 (ru) | Способ получени производных тиазолидин-,тиазан-или морфолинкарбоновых кислот или их кислотно-аддитивных солей | |
HU181742B (en) | Process for producing new azetidinone derivatives | |
JPH0372623B2 (da) | ||
HU220971B1 (hu) | Eljárás 0-(3-amino-2-hidroxi-propil)-hidroximsav-halogenidek előállítására | |
US3551498A (en) | Dehydrogenation of 10,11-dihydro-5h-dibenzo(a,d)cycloheptene-5-one | |
NO124687B (da) | ||
JPS6355512B2 (da) | ||
FR2597103A1 (fr) | Procede de preparation de derives d'oxazinobenzothiazine 6,6-dioxyde | |
US3183255A (en) | Esters of diphenyl acetohydroxamic and alpha-hydroxy-diphenyl acetohydroxamic acids aith tertiary amino alcohols | |
SU1304747A3 (ru) | Способ получени основных простых эфиров оксимов или их солей | |
WO1992015562A2 (en) | Preparation of omega-substituted alkanamide | |
KR890001241B1 (ko) | 4-아세틸 이소퀴놀리논 화합물의 제조방법 | |
KR850000742B1 (ko) | 티아졸린 유도체의 제조방법 | |
SU430554A1 (ru) | Способ получения производных 2,3-бензоксазепина | |
CA3214107A1 (en) | New process for the synthesis of 5-{5-chloro-2-[(3s)-3- [(morpholin-4-yl)methyl]-3,4-dihydroisoquinoline-2(1h)- carbonyl]phenyl}-1,2-dimethyl-1h-pyrrole-3-carboxylic acid derivatives and its application for the production of pharmaceutical compounds | |
JP3721540B2 (ja) | ピロリジン誘導体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |