Patents Represented by Attorney, Agent or Law Firm Kenneth W. Feist
  • Methods for the preparation of taxanes using oxazolidine intermediates
    Patent number: 6784304
    Abstract: Novel oxazolidines finding utility as intermediates in the preparation of C-13 acyloxy sidechain-bearing taxanes such as paclitaxel and analogs thereof. The present invention also relates to novel methods of coupling the oxazolidines to form the aforementioned taxanes, and to methods of preparing the oxazolidines.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: August 31, 2004
    Assignee: Bristol-Myers Squibb Company
    Inventors: John K. Thottathil, Ivan D. Trifunovich