Patents Represented by Attorney, Agent or Law Firm McDonnell Boehnen Hulbert & Hulbert
  • One step synthesis of 1,2,3-triazole carboxylic acids
    Patent number: 6642390
    Abstract: Disclosed is a one step method for preparing a 1,2,3-triazole carboxylic acid by treating an azide with a &bgr;-ketoester in the presence of a base.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: November 4, 2003
    Assignee: Lexicon Pharmaceuticals, Inc.
    Inventors: Hartmuth C. Kolb, Cullen Cavallaro, Zhi-Cai Shi, Alexander Gontcharov, Zhi-Min Wang, Paul F. Richardson, Ramanaiah C. Kanamarlapudi