Patents Assigned to Arzneimettelwerk Dresden GmbH
  • Patent number: 5684160
    Abstract: The invention is directed to 3-aminopyrroles of formula I, which are largely new, to methods for the preparation and to their use as medicinal agents and preparations, as well as to anti-convulsive or analgesic preparations containing these 3-aminopyrroles.Disubstituted and monosubstituted amino groups are claimed as 3-amino substituents.The invention pursues the objective of developing largely new 3-aminopyrroles, which have CNS activity, particularly ones which anti-convulsive or analgesic properties, as well as methods for their preparation and their use as medicinal preparations.Pursuant to the invention, the synthesis is carried out by cyclizing open-chain precursors, such as aminoacrylic acid derivative, or by modifying pyrroles.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: November 4, 1997
    Assignee: Arzneimettelwerk Dresden GmbH
    Inventors: Peter Scharfenberg, Jurgen Liebscher, Alexander Knoll, Aleksej Uschmajew, Andreas Rolfs, Dieter Lohman, Gottfried Faust, Eveline Morgenstern