CARBOXYALKYL DIPEPTIDES,PROCESSES FOR THEIR PRODUCTION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

Compounds of the formula and the pharmaceutically acceptable salts thereof, wherein R1, R2 and R4 are independently selected from hydrogen and lower alkyl; R3 is hydrogen, lower alkyl or amino lower alkyl; A and B taken together with the carbons to which they are attached form an alkylene ring having six carbon atoms or A and B are hydrogen; and Z is +TR are disclosed. The compounds are useful as anti-hypertensive agents.