Abstract: A .beta.-carbolin-3-carboxylic acid derivative of the formula ##STR1## has valuable pharmacological properties when administered to patients, e.g. humans as a drug, have been shown to possess interesting tranquilizing activity.
Type:
Grant
Filed:
August 28, 1980
Date of Patent:
February 1, 1983
Assignees:
A/S Ferrosan, Scherling AG
Inventors:
Claus T. Braestrup, Mogens C. Nielsen, Joergen A. Christensen, Mogens Engelstoft, Henning Schou, Ulrich Eder, Gunter Neef, Andreas Huth, Dieter Rahtz, Ralph Schmiechen