申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US04908454A1
公开(公告)日:1990-03-13
A process is provided for producing a guanidinothiazole compound represented by the formula: ##STR1## wherein, R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen or an alkyl group having 1 to 3 carbon atoms; m represents 1 or 2; and n represents 2, 3 or 4. The process comprises reacting an aminothiazole compound of the formula: ##STR2## with a cyanamide or an amidinopyrazole, the compounds are useful as intermediates in the preparation of a gastric acid secretion inhibitor.
本发明提供了一种制备一种由下式表示的鸟氨酸噻唑化合物的方法:##STR1## 其中,R.sup.1和R.sup.2,可以相同也可以不同,均代表氢或具有1至3个碳原子的烷基;m代表1或2;n代表2、3或4。该方法包括将下式表示的氨基噻唑化合物:##STR2## 与氰胺或氨基嘧啶反应,所述化合物在制备胃酸分泌抑制剂的中间体方面是有用的。