An isatin derivative represented by the general formula:
wherein R' represents a hydrogen atom, an alkyl group, an aryl group, an aralkyl group or a cycloalkyl group, R2 represents a branched-chain alkyl group, R3 represents a hydrogen atom, an alkyl group, an aralkyl group or a cycloalkyl group, R represents a halogen atom, an alkyl group, an alkoxy group, an amino group, an acylamino group or an alkoxycarbonyl group, n is an integer of from 0 to 2, and Y represents an alkylene group; or a pharmaceutically acceptable saltthereof.
The isatin derivatives and the pharmaceutically acceptable salts thereof possess anti-ulcer activities and thus are useful for prophylaxis and treatment of ulcer diseases in the digestive tract.
由通式代表的异atin衍
生物:
其中 R' 代表氢原子、烷基、芳基、芳烷基或环烷基,R2 代表支链烷基,R3 代表氢原子、烷基、芳烷基或环烷基,R 代表卤素原子、烷基、烷氧基、
氨基、酰
氨基或烷氧羰基,n 为 0 至 2 的整数,Y 代表亚烷基;或其药学上可接受的盐。
靛红衍
生物及其药学上可接受的盐具有抗溃疡活性,因此可用于预防和治疗消化道溃疡病。