[EN] PROCESS FOR THE PREPARATION OF N-PROTECTED (5S)-5-(1,3-THIAZOLIDIN-3-YLCARBONYL)PYRROLIDIN-3-ONE<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE (5S)-5-(1,3-THIAZOLIDINE-3-YL-CARBONYL)PYRROLIDIN-3-ONE N-PROTÉGÉE
申请人:RANBAXY LAB LTD
公开号:WO2015019238A1
公开(公告)日:2015-02-12
The present invention provides a process for the preparation of an N-protected (55)-5-(l,3-thiazolidin-3-ylcarbonyl)pyrrolidin-3-one of Formula III. The invention also provides a process for the preparation of (25',45)-4-[4-(3-methyl-l-phenyl-lH-pyrazol-5- yl)piperazin-l-yl]pyrrolidin-2-yl}(l,3-thiazolidin-3-yl)methanone, or salts thereof, using the N-protected (55)-5-(l,3-thiazolidin-3-ylcarbonyl)pyrrolidin-3-one of Formula III. (III)