METHOD FOR THE PREPARATION OF 4-FLUORO-ALPHA-[2-METHYL-1-OXOPROPYL]-y-OXO-N-BETA-DIPHENYLBENZENEBUTANAMIDE AND PRODUCTS THEREFROM
申请人:PAI Ganesh Gurpur
公开号:US20090298907A1
公开(公告)日:2009-12-03
A method for the preparation of 4-fluoro-α-[2-methyl-1-oxopropyl]-y-oxo-N-β-diphenylbenzenebutanamide also known as 2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxo-pentanoic acid phenylamide of the formula I containing about 0.1% or less of α-[2-methyl-1-oxopropyl]-γ-oxo-N-p-diphenylbenzene butanamide, about 0.05% or less of difluoro-α-[2-methyl-1-oxopropyl]-y-oxo-N-β-diphenylbenzene butanamide and about 0.1% or less of 3-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-ethoxy]-4-methyl-pent-2-enoic acid phenylamide.
[EN] NOVEL PROCESS FOR THE PREPARATION OF 4-FLUORO-ALPHA-[2-METHYL -1-OXOPROPYL]-GAMMA-OXO-N-ß-DIPHENYLBENZENEBUTANAMIDE AND PRODUCTS THEREFROM<br/>[FR] NOUVEAU PROCÉDÉ DE PRÉPARATION DU 4-FLUORO-ALPHA-[2-MÉTHYL-1-OXOPROPYL]-GAMMA-OXO-N-?-DIPHÉNYLBENZÈNEBUTANAMIDE ET DES PRODUITS À PARTIR DE CELUI-CI
申请人:ARCH PHARMALABS LTD
公开号:WO2009144736A1
公开(公告)日:2009-12-03
A novel process for the preparation of 4-fluoro-α-[2-methyl-1-oxopropyl]-γ-oxo-N-β-diphenylbenzenebutanamide also known as 2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxo-pentanoic acid phenylamide of the formula (I) containing about 0.1% or less of α-[2-methyl-1-oxopropyl]-γ-oxo-N-β-diphenylbenzene butanamide, about 0.05 % or less of difluoro -α-[2-methyl-1-oxopropyl]-γ-oxo-N-β-diphenylbenzene butanamide and about 0.1% or less of 3-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-ethoxy]-4-methyl-pent-2-enoic acid phenylamide.
METHOD FOR THE PREPARATION OF 4-FLUORO-ALPHA-[2-METHYL-1-OXOPROPYL]-GAMMA-OXO-N-BETA-DIPHENYLBENZENEBUTANAMIDE AND PRODUCTS THEREFROM
申请人:Pai Ganesh Gurpur
公开号:US20110060164A1
公开(公告)日:2011-03-10
A method for the preparation of 4-fluoro-α-[2-methyl-1-oxopropyl]-γ-oxo-N-β-diphenylbenzenebutanamide also known as 2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxo-pentanoic acid phenylamide of the formula I containing about 0.1% or less of α-[2-methyl-1-oxopropyl]-γ-oxo-N-β-diphenylbenzene butanamide, about 0.05% or less of difluoro-α-[2-methyl-1-oxopropyl]-γ-oxo-N-β-diphenylbenzene butanamide and about 0.1% or less of 3-[2-(4-Fluorophenyl)-2-oxo-1-phenyl-ethoxy]-4-methyl-pent-2-enoic acid phenylamide.
NOVEL PROCESS FOR THE PREPARATION OF 4-FLUORO-ALPHA-Ý2-METHYL -1-OXOPROPYL¨-GAMMA-OXO-N-ß-DIPHENYLBENZENEBUTANAMIDE AND PRODUCTS THEREFROM
申请人:Arch Pharmalabs Limited
公开号:EP2279167B1
公开(公告)日:2012-09-19
Preparation of an Atorvastatin Intermediate
申请人:O'Sullivan Susan
公开号:US20090221852A1
公开(公告)日:2009-09-03
The diketone of atorvastatin is prepared by first washing a reaction vessel with a non-ketonic solvent, especially tetrahydrofuran, to remove water. 4-fluorobenzaldehyde is then reacted with benzylidine isobutyryl acetanilide in the reaction vessel to form 4-fluoro-alpha-(2-methyl-1-oxopropyl)-gamma-oxo-N,beta-diphenylbenzene-butanainide