1,5-Benzodiazepine derivatives represented by formula (I), salts thereof, and medicines containing the same as the active ingredient:
[wherein R1 represents a hydrogen atom, a lower alkyl group, a lower alkoxyl group, or a halogen atom; each of R2 and R3, which may be the same or different, represents a hydrogen atom, an alkenyl group, an alkyl group, a phenyl group, an acyl group, etc; and each of R4 and R5, which may be the same or different, represents a hydrogen atom, an alkyl group, a carboxyl group, etc.]. The compounds exhibit excellent gastrin and/or CCK-B receptor antagonism and are useful as remedies for gastric ulcer and gastrointestinal movement disorder.
由式(I)代表的 1,5-
苯并二氮杂卓衍
生物、其盐类以及以其为有效成分的药物:
[其中 R1 代表
氢原子、低级烷基、低级烷
氧基或卤素原子;R2 和 R3(可以相同或不同)分别代表
氢原子、
烯基、烷基、
苯基、酰基等;R4 和 R5(可以相同或不同)分别代表
氢原子、烷基、羧基等]。这些化合物具有优异的胃泌素和/或 CCK-B 受体拮抗作用,可用于治疗胃溃疡和胃肠运动紊乱。