BENZAZEPINE-N-ACETIC ACID DERIVATIVE,BENZOXYAZEPINE-N-ACETICACID DERIVATIVE,AND BENZOTHIAZEPINE-N-ACETIC ACID DERIVATIVE,ITS PRODUCTION,AND MEDICINE CONTAINING IT

摘要

Benzazepin-, benzoxazepin- and benzothiazepin-N-acetic acid derivs. of formula (I) and their salts are new. R1 = lower alkoxy(lower)alkyl (in which the alkoxy is opt. substd. by lower alkoxy) or phenyl(lower)alkyl, or phenoxy(lower)alkyl (opt. ring substd. by lower alkyl or alkoxy or halo) or naphthyl(lower)alkyl; A = CH2, O or S; R2, R3 = H or halogen; R4, R5 = H or a biolabile ester containing gp.