[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF (2S)-2-[(4R)-2-OXO-4-PROPYLTETRAHYDRO-1H-PYRROL-1-YL] BUTANAMIDE AND ITS INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE (2S)-2-[(4R)-2-OXO-4-PROPYLTÉTRAHYDRO-1H-PYRROL-1-YL]BUTANAMIDE ET DE SES INTERMÉDIAIRES
申请人:MSN LABORATORIES PRIVATE LTD R&D CENTER
公开号:WO2018220646A1
公开(公告)日:2018-12-06
The present invention relates to an improved process for the preparation of (2S)-2- [(4R)-2-oxo-4-propyltetrahydro-1H-pyrrol-1-yl] butanamide compound of formula- 1, its intermediates, novel salt compounds of intermediates of the compound of formula- 1. Further the use of novel salts in the preparation of the compound of formula- 1. The present invention also relates to the novel process for the preparation of the compound of formula- 1.
本发明涉及一种改进的制备(2S)-2-[(4R)-2-氧代-4-丙基四氢-1H-吡咯-1-基]丁酰胺化合物的方法,其化学式为1,以及该化合物的中间体、中间体的新型盐化合物。此外,本发明还涉及新型盐在制备化合物1中的应用。本发明还涉及制备化合物1的新型方法。