[EN] PROCESS FOR THE PREPARATION OF (4R)-1-(TERT-BUTOXYCARBONYL)-4-HYDROXY-L-PROLINE<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE (4R)-1-(TERT-BUTOXYCARBONYL)-4-HYDROXY-L-PROLINE
申请人:SUN PHARMACEUTICAL IND LTD
公开号:WO2016079699A1
公开(公告)日:2016-05-26
The present invention provides a process for the preparation of (4R)-1-(tert- butoxycarbonyl)-4-hydroxy-L-proline of Formula IV. The present invention also provides a process for the preparation of (2S,4S)-4-[4-(3-methyl-1-phenyl-1H-pyrazol-5-yl) piperazin-1-yl] pyrrolidin-2-yl}(1,3-thiazolidin-3-yl) methanone of Formula II, or salts thereof, using (4R)-1-(tert-butoxycarbonyl)-4-hydroxy-L-proline of Formula IV.
本发明提供了一种制备式为IV的(4R)-1-(tert-丁氧羰基)-4-羟基-L-脯氨酸的方法。本发明还提供了一种使用式为IV的(4R)-1-(tert-丁氧羰基)-4-羟基-L-脯氨酸制备式为II的(2S,4S)-4-[4-(3-甲基-1-苯基-1H-吡唑-5-基)哌嗪-1-基]吡咯烷-2-基}(1,3-噻唑烷-3-基)甲酮或其盐的方法。