AMINOTHIAZOLE DERIVATIVES, DRUG CONTAINING THE SAME AND INTERMEDIATE IN THE PRODUCTION OF THE COMPOUNDS
申请人:ZERIA PHARMACEUTICAL CO., LTD.
公开号:EP0870765A1
公开(公告)日:1998-10-14
The present invention relates to an aminothiazole derivative represented by the following formula (I):
wherein R1, R2 and R3 each independently represents a hydrogen atom, a hydroxy group, a lower alkyl group, a lower alkoxy group or the like; R4 represents a hydrogen atom or a lower alkyl group; R5 represents a hydrogen atom, a halogen atom or a lower alkyl group; m stands for an integer of 0 to 4, A represents a substituted amino group, a substituted imino group, a heterocyclic group or the like; and B stands for an imino group or an oxygen atom, a medicament containing it and an intermediate for the preparation of said compound. The compound has strong restoration effects on dysmotility in the gastrointestinal tract and at the same time has high safety so that it is useful as an excellent gastroprokinetic.
本发明涉及下式(I)所代表的氨基噻唑衍生物:
其中 R1、R2 和 R3 各自独立地代表氢原子、羟基、低级烷基、低级烷氧基或类似基团;R4 代表氢原子或低级烷基;R5 代表氢原子、卤素原子或低级烷基;m 代表 0 至 4 的整数;A 代表取代的氨基、取代的亚氨基、杂环基团或类似基团;B 代表亚氨基或氧原子。该化合物对胃肠道运动障碍有很强的修复作用,同时具有很高的安全性,因此可作为一种很好的胃动力药。