Benzolactam compounds of the general formula ##STR1## or isomers thereof as well as salts thereof inclusive of hydrates and/or solvates forms thereof, and benzolactam compounds of the general formula ##STR2## wherein each of the symbols is as defined in the specification. The compound (I) exhibit antiamnesic activity, and are useful as brain function-improving drugs. The compounds (a) and (b) are useful as an intermediate for said compounds (I). Futher, the compound (a) show diuretic or antiulcer activity, and are useful as a diuretic or antiulcer agent.
通式为##STR1##的苯并内酰胺化合物及其异构体,以及包括
水合物和/或溶剂化合物形式的盐,以及通式为##STR2##的苯并内酰胺化合物,其中每个符号如规范中所定义。化合物(I)表现出抗遗忘活性,并且可用作改善脑功能的药物。化合物(a)和(b)可用作所述化合物(I)的中间体。此外,化合物(a)表现出利尿或抗溃疡活性,并且可用作利尿剂或抗溃疡剂。