MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202421073276 A) filed by Gharda Chemicals Limited on September 27, 2024, for Process For Racemization Of Chiral Amines.
Inventors include Bapu Chaudhari; Yashwant Dharap; Lakshmikant Nitlikar; Mithilesh Kumar; Prakash Vasant Korake; and Suresh Dilip Bagul.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: PROCESS FOR RACEMIZATION OF CHIRAL AMINES The present invention relates to a process of recycling of undesired isomers of chiral amines represented by compound of formula I to the racemic form of compound of formula I. The present invention further relates to an efficient process of recycling of undesired isomers of chiral amines wherein the yield of the process is more than 95%. Specifically , the present invention discloses a process wherein the undesired isomers are recycled comprising racemization and recovery of additional about 10-15% desired isomer (with continuous recycle of mother liquor obtained in every recycle to generate desired isomer) and continue recyclizing the subsequent lots of undesired isomers till the desired quantity up to 99% of the desired enantiomer is obtained and the eventual mother liquor also referred as discardable effluent is free of a chemical compound in any isomeric form of compound of Formula-I.
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