[EN] PROCESS FOR THE PREPARATION OF TENELIGLIPTIN AND ITS NOVEL INTERMEDIATES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE TENELIGLIPIN ET NOUVEAUX INTERMÉDIAIRES CORRESPONDANTS
申请人:MICRO LABS LTD
公开号:WO2015173779A1
公开(公告)日:2015-11-19
The present invention relates to a novel process for the preparation of Teneligliptin or its pharmaceutically acceptable salts and its hydrates thereof. The invention also relates to novel intermediates used in the synthesis of Teneligliptin and their preparation.
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF TENELIGLIPTIN HYDROBROMIDE HYDRATE<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'HYDRATE DE BROMHYDRATE DE TENELIGLIPTINE
申请人:ACCORD LIFE SPEC PRIVATE LTD
公开号:WO2021001695A1
公开(公告)日:2021-01-07
The present invention provides an improved process for the preparation of Teneligliptin HBr more particularly relates to a process for the preparation of Teneligliptin 2.5HBr hydrate salt.
[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.