AMINOTHIAZOLE DERIVATIVES, DRUG CONTAINING THE SAME AND INTERMEDIATE IN THE PRODUCTION OF THE COMPOUNDS

摘要

The present invention relates to an aminothiazole derivative represented by the following formula (I): <CHEM> wherein R<1>, R<2> and R<3> each independently represents a hydrogen atom, a hydroxy group, a lower alkyl group, a lower alkoxy group or the like; R<4> represents a hydrogen atom or a lower alkyl group; R<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.