Patents Assigned to Omnium Chimique
  • Vincadifformine synthesis process
    Patent number: 4220774
    Abstract: The preparation of vincadifformine and some derivatives thereof for use as a starting material for synthesis of the corresponding vincamine derivatives or for synthesis of bisindole alkaloids having clinically important antitumor properties.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: September 2, 1980
    Assignee: Omnium Chimique
    Inventor: Martin E. Kuehne