The novel benzazepines of the formula < IMG > I wherein either R1 signifies hydrogen, lower alkyl, 4-pyridyl or the group -(CH2)n-NR6R7 and R2 and R3 together signify an additional bond or R1 and R2 together signify the oxo group and R3 signifies hydrogen or lower alkyl, R4 signifies phenyl, o-halophenyl or 2-pyridyl, R5 signifies halogen or nitro and either R6 signifies hydrogen or lower alkyl and R7 signifies hydrogen, lower alkyl, lower alkenyl or lower alkynyl or R6 and R7 together with the nitrogen atom signify 4-(lower alkyl)-1-piperazinyl or 4-morpholinyl and n signifies the number 0 or 1, and their pharmaceutically acceptable acid addition salts possess interesting psychotropic properties; thus, pronounced anxiolytic properties have been established in the case of certain representative members of this class of substance. The above benzazepines of formula I can be manufactured starting from partly novel starting materials according to various processes and can be used in the form of medicaments.
BENZAZEPINES