[EN] IMPROVED PROCESS FOR THE PREPARATION OF EZETIMIBE<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'ÉZÉTIMIBE
申请人:PHARMATHEN SA
公开号:WO2012155932A1
公开(公告)日:2012-11-22
The present invention provides an improved process for the preparation of compound of Formula II, which is a key intermediate for the preparation of Ezetimibe, through stereoselective addition of an organometallic reagent to novel aldehyde intermediates under chiral catalysis.
本发明提供了一种改进的工艺,通过手性催化剂下的有机金属试剂的立体选择性加成到新型醛中间体,制备出公式II化合物的关键中间体,从而制备出依智泰嗪。