Patents Assigned to Dr. Reddy's Laboratories, Incorporated
  • Processes for the preparation of sitagliptin and pharmaceutically acceptable salts thereof
    Patent number: 8309724
    Abstract: There is provided an improved process for the preparation of Sitagliptin of Formula II by reduction of compound of Formula VIII to Formula IX followed by deprotection of Formula IX to afford Sitagliptin of Formula II.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: November 13, 2012
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Incorporated
    Inventors: Pratap Reddy Padi, Babu Ireni, Srinivas Polavarapu, Shailaja Padamata, Kavitha Nerella, Vijaya Anand Ramasamy, Ranga Reddy Vangala