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1. (WO2018220646) AN IMPROVED PROCESS FOR THE PREPARATION OF (2S)-2-[(4R)-2-OXO-4-PROPYLTETRAHYDRO-1H-PYRROL-1-YL] BUTANAMIDE AND ITS INTERMEDIATES THEREOF

Pub. No.:    WO/2018/220646    International Application No.:    PCT/IN2018/050344
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Wed May 30 01:59:59 CEST 2018
IPC: A61K 31/00
A61K 31/4015
C07C 209/04
C07C 231/18
C07D 207/26
Applicants: MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
SRINIVASAN, Thirumalai Rajan
Inventors: SRINIVASAN, Thirumalai Rajan
SAJJA, Eswaraiah
REVU, Satyanarayana
CHERKUPALLY, Prabhakar
Title: AN IMPROVED PROCESS FOR THE PREPARATION OF (2S)-2-[(4R)-2-OXO-4-PROPYLTETRAHYDRO-1H-PYRROL-1-YL] BUTANAMIDE AND ITS INTERMEDIATES THEREOF
Abstract:
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.