The present invention relates to an aminothiazole derivative represented by the following formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represents a hydrogen atom, a hydroxy group, a lower alkyl group, a lower alkoxy group or the like; R.sup.4 represents a hydrogen atom or a lower alkyl group; R.sup.5 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.
本发明涉及以下式(I)所表示的
氨基
噻唑衍
生物:其中R.sup.1、R.sup.2和R.sup.3分别独立地表示氢原子、羟基、较低的烷基基团、较低的烷氧基团或类似物;R.sup.4表示氢原子或较低的烷基基团;R.sup.5表示氢原子、卤原子或较低的烷基基团;m代表0到4的整数,A代表取代的
氨基团、取代的
亚胺基团、杂环基团或类似物;B代表
亚胺基团或氧原子,包含它的药物以及制备该化合物的中间体。该化合物对胃肠道运动障碍具有强大的恢复作用,同时具有很高的安全性,因此可用作优秀的胃动力药。