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

• Main Authors: CHERKUPALLY, Prabhakar, REVU, Satyanarayana, SRINIVASAN, Thirumalai Rajan, SAJJA, Eswaraiah
• Format: Patent
• Language: English; French
• Published: 06.12.2018
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

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. La présente invention concerne un procédé amélioré pour la préparation de (2S)-2-[(4R)-2-oxo-4-propyltétrahydro-1H-pyrrol-1-yl]butanamide de formule 1, ses intermédiaires, des nouveaux composés de sel d'intermédiaires du composé de formule 1. L'invention concerne en outre l'utilisation de nouveaux sels dans la préparation du composé de formule 1. La présente invention concerne en outre un procédé de préparation du composé de formule 1.