CAS: 125971-57-5; 2-Benzylidene-4-Methyl-3-Oxo-N-Phenylpentanamide

相似化合物

134430-88-9 125971-57-5 25775-89-7

上下游产品

4-methyl-3-oxo-N-phenylpentanamide benzaldehyde aniline 3-amino propanoic acid 1,2-bis(4-fluorophenyl)-2-hydroxyethan-1-one 2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide (3R,5R)-7-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-phenylcarbamoylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid t-butyl ester tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate

Isobutyrylacetic Acid置于哌啶,溶剂黄146,三乙胺体系中,用 正己烷,甲苯 用作溶剂,化学反应 4.0H,反应生成4-甲基-3-氧代-N-苯基-2-(苯甲烯基)戊酰胺
参考文献:一种阿托伐他汀钙异构体的制备方法
标题:一种阿托伐他汀钙异构体的制备方法
摘要:本发明涉及了阿托伐他汀钙异构体[r‑(R*,R*)]‑2‑(3‑氟苯基)‑β,δ‑二羟基‑5‑(1‑甲基乙基)‑2‑苯基‑4‑[(苯胺基)羰基]‑1H‑吡咯‑1‑庚酸钙盐(简称imp‑1)与[r‑(R*,R*)]‑3‑(2‑氟苯基)‑β,δ‑二羟基‑5‑(1‑甲基乙基)‑3‑苯基‑4‑[(苯胺基)羰基]‑1H‑吡咯‑1‑庚酸钙盐(简称imp‑2)的制备方法.本发明提供了一种阿托伐他汀钙异构体的制备方法,为该药物的质量研究提供了对照品的制备方法,从而对阿托伐他汀钙的安全用药提供重要的指导意义.

专利信息

专利号:US-5998633-A
优先权日:1996-07-29
标 题:Process for the synthesis of protected esters of (S)-3,4-dihydroxybutyric acid
发明人：JACKS THOMAS E; BUTLER DONALD E
权利人:WARNER LAMBERT CO
摘要:The invention is an improved process for the preparation of a compound of formula I wherein R and R 1 are each independently alkyl of from 1 to 3 carbon atoms; and R 2 is alkyl of from 1 to 8 carbon atoms. ##STR1##

专利号:US-5155251-A
优先权日:1991-10-11
标题:Process for the synthesis of (5R)-1,1-dimethylethyl-6-cyano-5-hydroxy-3-oxo-hexanoate
发明人：BUTLER DONALD E; LE TUNG V; MILLAR ALAN; NANNINGA THOMAS N
权利人:WARNER LAMBERT CO
摘要:An improved process for the preparation of (5R)-1,1-dimethylethyl-6-cyano-5-hydroxy-3-oxo-hexanoate is described where a halo hydroxyester or other activated dihydroxyester is converted in two steps to the desired product.

专利号:US-5248793-A
优先权日:1990-10-17
标 题:Process for the synthesis of (4R-cis)-1,1-dimethylethyl 6-iodomethyl or 6-(phenyl-substituted)sulfonyloxymethyl-2,2-dimethyl-1,3-dioxane-4-acetate
发明人：MILLAR ALAN; BUTLER DONALD E
权利人:WARNER LAMBERT CO
摘要:An improved process for the preparation of (4R-cis)-1,1-dimethylethyl 6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate is described where a hydroxy ester derivative is converted in two steps to the desired product, as well as valuable intermediates used in the process.

专利号:US-5103024-A
优先权日:1990-10-17
标题:Process for the synthesis of (4r-cis)-1,1-dimethylethyl 6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate
发明人：MILLAR ALLAN; BUTLER DONALD E
权利人:WARNER LAMBERT CO
摘要:An improved process for the preparation of (4R-cis)-1,1-dimethylethyl 6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate is described where a hydroxy ester derivative is converted in two steps to the desired product, as well as valuable intermediates used in the process.

专利号:US-5280126-A
优先权日:1988-02-22
标题 :Process for trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-one inhibitors of cholesterol synthesis
发明人：BUTLER DONALD E; DEERING CARL F; MILLAR ALAN; NANNINGA THOMAS N; ROTH BRUCE D
权利人:WARNER LAMBERT CO
摘要:An improved process for the preparation of trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-ones by a novel synthesis is described where 1,6-heptadien-4-ol is converted in eight operations to the desired products, as well as an improved process for the preparation of (2R-trans) and trans-(±)-5-(4-fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1H-pyrrole-3-carboxamide by a novel synthesis where 4-methyl-3-oxo-N-phenylpentanamide is converted in eight operations to the desired product or alternatively 4-fluoro-α-[2-methyl-1-oxopropyl]-Y-oxo-N,β-diphenylbenzenebutaneamide is converted in one step to the desired product, and additionally, a process for preparing (2R-trans)-5-(4-fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1H-pyrrole-3-carboxamide from (R)-4-cyano-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]butanoic acid, as well as other valuable intermediates used in the processes.

专利号:US-5216174-A
优先权日:1988-02-22
标题:Process for trans-6-[12-(substituted-pyrrol-1-yl)alkyl]pyran-2-one inhibitors of cholesterol synthesis
发明人：BUTLER DONALD E; DEERING CARL F; MILLAR ALAN; NANNINGA THOMAS N; ROTH BRUCE D
权利人:WARNER LAMBERT CO
摘要:An improved process for the preparation of trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-ones by a novel synthesis is described where 1,6-heptadien4-ol is converted in eight operations to the desired products, as well as an improved process for the preparation of (2R-trans) and trans-(±)-5-(4-fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-(tetrahydro4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1H-pyrrole-3carboxamide by a novel synthesis where 4-methyl-3-oxoN-phenylpentanamide is converted in eight operations to the desired product or alternatively 4-fluoro-α-[2methyl-1-oxopropyl]-γ-oxo-N,β-diphenylbenzenebutaneamide is converted in one step to the desired product, and additionally, a process for preparing (2R-trans)-5-(4-fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1Hpyrrole-3-carboxamide from (R)-4-cyano-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]butanoic acid, as well as other valuable intermediates used in the processes.