Patents Assigned to Boehringer Ingelheim Internatioal GmbH
  • Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositions
    Patent number: 9199998
    Abstract: The present invention relates to substituted quinazolines of formula (I) wherein X and Y are defined as in claim 1, the tautomers, stereoisomers, mixtures and salts thereof, which have valuable pharmacological properties, particularly an inhibitory effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: December 1, 2015
    Assignee: Boehringer Ingelheim Internatioal GmbH
    Inventors: Waldemar Pfrengle, Markus Frank, Thomas Klein