申请人:Sumitomo Chemical Company, Limited
公开号:US04001412A1
公开(公告)日:1977-01-04
1-Substituted-1,2-dihydrothieno[2,3-d]-pyrimidin-2-ones of the formula, ##STR1## wherein R is lower alkyl or cyclopropylmethyl, R.sub.1 is halogen, lower alkyl or nitro, R.sub.2 is hydrogen or lower alkyl and R.sub.3 is hydrogen or halogen, are obtained by treating a trihaloacetamidothiophene derivative with ammonia. These compounds have excellent pharmacological activities such as uricosuric activity.
该公式化合物为1-取代的1,2-二氢噻吩[2,3-d]-嘧啶-2-酮,其化学式为##STR1## 其中R为较低的烷基或环丙基甲基,R.sub.1为卤素、较低的烷基或硝基,R.sub.2为氢或较低的烷基,R.sub.3为氢或卤素。通过将三卤乙酰胺基噻吩衍生物与氨反应,可以获得这些化合物。这些化合物具有优异的药理活性,如尿酸排泄作用。