申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04692444A1
公开(公告)日:1987-09-08
This invention provides a benzene-fused heterocyclic compound of the formula: ##STR1## wherein R.sup.1 is halogen, nitro, amino, hydroxy, lower alkyl, lower alkoxy or acylamino, X is --S--, ##STR2## n is an integer of 1 or 2 and A is a group of the formula: ##STR3## in which R.sup.2 is hydrogen, lower alkyl, lower alkynyl, carboxy(lower)alkyl or protected carboxy(lower)alkyl, or pharmaceutically acceptable salts thereof. This compound possesses diuretic, uricosuric, and vasodilative activities and therefore is useful as a diuretic agent, uricosuric agent and anti-hypertensive agent. This invention further provides processes for the preparation of this compound and pharmaceutical composition comprising compound of the above formula.
本发明提供了一种公式为:## STR1 ##的苯并杂环化合物,其中R1是卤素,硝基,氨基,羟基,低烷基,低烷氧基或酰基氨基,X是--S--,## STR2 ##,n为1或2的整数,A是公式的基团:## STR3 ##其中R2是氢,低烷基,低炔烃基,羧基(低)烷基或受保护的羧基(低)烷基,或其药学上可接受的盐。该化合物具有利尿,尿酸排泄和扩张血管的活性,因此可用作利尿剂,尿酸排泄剂和降压剂。本发明还提供了制备该化合物的方法和包含上述公式的化合物的制药组合物。