AMINOTHIAZOLE DERIVATIVE, MEDICAMENT CONTAINING THE SAME, AND INTERMEDIATE FOR PREPARATION OF SAID COMPOUND

摘要

An aminothiazole derivative represented by general formula (I), wherein R1, R2 and R3 represent each hydrogen, hydroxy, lower alkyl, lower alkoxy, etc.; R4 represents hydrogen or lower alkyl; R5 represents hydrogen, halogeno or lower alkyl; m is an integer of from 0 to 4; A represents substituted amino, substituted imino, a heterocycle, etc.; and B represents imino or oxygen. Because of having a potent effect of promoting the movements of the digestive tracts and a high safety, the compound is useful as an excellent drug for ameliorating the movements of the digestive tracts.