Patents Assigned to Dr. Karl Thomae Gesellschaft mit beschranter Haftung
  • Vinylogous carboxamides
    Patent number: 4536402
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is phenyl, halo- and/or methyl-substituted phenyl or pyridinyl;R.sub.2 is hydrogen, straight or branched alkyl of 1 to 4 carbon atoms, 2- or 3-hydroxy-(alkyl of 2 to 3 carbon atoms) or 2- or 3-dimethylamino-(alkyl of 2 to 3 carbon atoms);R.sub.3 is hydrogen or alkyl of 1 to 3 carbon atoms; andR.sub.4 is hydrogen, chlorine or methyl.The compounds are useful as anticonvulsants.
    Type: Grant
    Filed: November 29, 1984
    Date of Patent: August 20, 1985
    Assignee: Dr. Karl Thomae Gesellschaft mit beschranter Haftung
    Inventors: Wolfhard Engel, Eckhart Bauer, Gunter Trummlitz, Peter Danneberg, Joachim Kahling