Patents Represented by Attorney Didercio van Eyl

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  • Condensation reagents and a process for their preparation
    Patent number: 7064216
    Abstract: The present invention relates to new bromo- and chlorothiazolium salts of the formula (I) in which R1, R2, R3, R4, n and X? have the meaning indicated in the disclosure, a process for their preparation, their use as condensation reagents, particularly as peptide coupling reagents, and intermediates for the preparation of these compounds.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: June 20, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Rudolph, Ralf Wischnat