[EN] PROCESSES FOR PREPARATION OF MONTELUKAST SODIUM AND PURIFICATION OF DIOL INTERMEDIATE<br/>[FR] MÉTHODES DE PRÉPARATION DE MONTÉLUKAST DE SODIUM ET DE PURIFICATION D'UN INTERMÉDIAIRE DIOL
申请人:IND SWIFT LAB LTD
公开号:WO2012077133A1
公开(公告)日:2012-06-14
A process for preparation of montelukast sodium through novel montelukast amine salts is provided, wherein the amine is selected from 1- (l-naphthyl)ethylamine, S-methyl-L-cysteine, diallylamine or isomers thereof. A process for purification of 2-(2-(3-(S)-(3-(7-chloro-2-quinolinyl)-ethenyl)phenyl)-3-hydroxylpropyl)-phenyl-2-propanol is also provided, which uses a halogenated hydrocarbon and a nitrile as solvent.
提供一种通过新颖的蒙特鲁卡斯特胺盐制备蒙特鲁卡斯特钠的方法,其中所选的胺来自1-(1-萘基)乙胺,S-甲基-L-半胱氨酸,二烯基胺或其异构体。还提供了一种用卤代烃和腈作为溶剂的纯化2-(2-(3-(S)-(3-(7-氯-2-喹啉基)-乙烯基)苯基)-3-羟基丙基)-苯基-2-丙醇的方法。