TRIAZOLO-BENZODIAZEPINE DERIVATIVES

摘要

There are presented compounds of the formula I wherein R1 is a hydrogen atom or a lower alkyl group, R2 and R3 each are a hydrogen atom or a lower alkyl group, R4 is a halogen atom and either R5 is a hydrogen atom or a lower alkyl group and R6 is a lower alkyl or lower hydroxyalkyl group or R5 and R6 together with the nitrogen atom to which they are attached are a 3-membered to 7-membered heterocycle, and pharmaceutically acceptable acid addition salts thereof. The compounds and their salts are novel and possess valuable pharmacodynamic properties.