BICYCLIC COMPOUNDS, THEIR PRODUCTION AND USE

摘要

New bicyclic compounds of the formula: (II') wherein R1 and R2 are the same or different and each represents hydrogen, hydroxyl or lower alkoxy R3 is hydrogen or lower alkyl, R4 is hydrogen, lower alkyl amino-lower-alkyl or acylamino-lower-alkyl, R7 is hydrogen or benzyloxycarbonyl, and m and n are each 1 or 2, or salts thereof are disclosed. The compounds (II) are useful for producing derivatives which exhibit inhibitory activity of angiotensin converting enzyme and bradykinin decomposing enzyme.