申请人:Chugai Seiyaki Kabushiki Kaisha
公开号:US04732906A1
公开(公告)日:1988-03-22
Dioxolobenzisoxazole derivatives of the formula ##STR1## wherein R.sub.1 is a phenyl group which may be substituted with a halogen atom, a lower alkyl group having 1-3 carbon atoms or a lower haloalkyl group, or a thienyl group; R.sub.2 is a hydrogen atom or a lower alkyl group having 1-4 carbon atoms; and X and Y which may be the same or different represent a hydrogen atom or a halogen atom, as well as non-toxic salts thereof wherein R.sub.2 is a hydrogen atom, a process for preparing the same and a pharmaceutical composition containing the same are disclosed. The derivatives have diuretic and uricosuric activities and, therefore, are useful as a drug for treating hyperuricemia or hypertension.
本发明公开了式子##STR1##的二氧杂苯并噁唑衍生物,其中R.sub.1是苯基,可以被卤素原子,具有1-3个碳原子的低烷基或低卤代烷基或噻吩基取代;R.sub.2是氢原子或具有1-4个碳原子的低烷基;X和Y可以相同也可以不同,表示氢原子或卤素原子,以及其无毒盐。其中R.sub.2是氢原子的衍生物具有利尿和尿酸排泄活性,因此可用作治疗高尿酸血症或高血压的药物。本发明还公开了制备上述化合物的方法和含有上述化合物的制药组合物。