Patents Examined by Paula J. Killos
  • Process for the preparation of shikimic acid and its derivatives
    Patent number: 6130354
    Abstract: The present invention discloses a process for the preparation of shikimic acid or its derivatives from quinic acid or its derivatives by dehydration with Vilsmeier reagent. The present invention further discloses intermediates produced by this process and their use in the synthesis of shikimic acid or its derivatives.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: October 10, 2000
    Assignee: Hoffman-La Roche Inc.
    Inventor: Hans-Jurgen Mair