Inventors:
George Santroch - San Francisco CA
Ivo Jirkovsky - Montreal, CA
Assignee:
American Home Products Corporation - New York NY
International Classification:
C07D24136
C07D40300
C07D45100
A61K 31495
Abstract:
A compound of the formula ##STR1## in which R. sup. 1 is hydrogen, halogen, lower alkyl, lower alkoxy or trifluoromethyl; R. sup. 2 is hydrogen or lower alkyl having one to three carbon atoms; and R. sup. 5 is benzyl or lower alkyl; and a compound of the formula ##STR2## in which R. sup. 1 is hydrogen, halogen, lower alkyl, lower alkoxy or trifluoromethyl; R. sup. 2 is hydrogen or lower alkyl having one to three carbon atoms; and X is bromo or chloro, or hydrogen; as intermediates for pyrazino(2,3-3,4) pyrido (1,2-a) indoles which are useful for treating hypertension in mammals.