Intellectual Property India Publishes Patent Application for “process For Preparation Of Lisdexamphetamine”

MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202521021725 A) filed by Embio Limited on March 11, 2025, for “process For Preparation Of Lisdexamphetamine”.

Inventors include Kotharkar Sandeep Anilrao; Dendukuri Venkata Padmanabha Kishore; Gole Pradeep Laxman; and Haldankar Siddhesh Suresh.

The application for the patent was published on September 18, 2026, under issue no. 38/2026.

Abstract: 5 Formula-I The present invention provides an efficient and improved process for the preparation of Lisdexamphetamine and its pharmaceutically acceptable salts. The process involves the conversion of l-norephedrine to (2S)-2-amino-1- phenylpropane via a chiral intermediate, (4S, 5R)-4-Methyl-5-Phenyl-2- 10 ...