申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04829067A1
公开(公告)日:1989-05-09
Novel benzo-furan(or -thiophene) derivative of the formula: ##STR1## wherein R.sup.1 is hydrogen atom, a lower alkyl group, a cycloalkyl group, a phenyl-lower alkyl group or a substituted or unsubstituted phenyl group, R.sup.2 is hydrogen atom, a lower alkyl group, an acyl group or phenyl group, R.sup.3 is hydrogen atom, a halogen atom, nitro group, a lower alkoxy group, amino group or an acylamino group, R.sup.4 is a group of the formula: ##STR2## A is a lower alkylene group optionally substituted with hydroxy group, B is single bond or a lower alkylene group, one of R.sup.5 and R.sup.6 is hydrogen atom or a lower alkyl group and the other is a lower alkyl group or a phenyl-lower alkyl group, or R.sup.5 and R.sup.6 combine together with adjacent nitrogen atom to form a heteromonocyclic group, R.sup.7 is a lower alkyl group, X is oxygen atom or sulfur atom, Y is oxygen atom, imino group, a lower alkylimino group or a phenyl-lower alkylimino group and a salt thereof are disclosed. Said compound (I) and a salt thereof have a potent inhibitory activity against reflective contraction of urinary bladder.
一种新型苯并呋喃(或噻吩)衍生物的化学式如下:##STR1## 其中R.sup.1是氢原子、低碳烷基、环烷基、苯基-低碳烷基或取代或未取代的苯基,R.sup.2是氢原子、低碳烷基、酰基或苯基,R.sup.3是氢原子、卤素原子、硝基、低碳氧基、氨基或酰氨基,R.sup.4是下式的基团:##STR2## A是可选择地取代羟基的低碳烷基,B是单键或低碳烷基,R.sup.5和R.sup.6中的一个是氢原子或低碳烷基,另一个是低碳烷基或苯基-低碳烷基,或者R.sup.5和R.sup.6与相邻的氮原子结合形成杂单环基团,R.sup.7是低碳烷基,X是氧原子或硫原子,Y是氧原子、亚胺基、低碳烷基亚胺基或苯基-低碳烷基亚胺基以及其盐。所述化合物(I)及其盐对尿道膀胱反射收缩具有强大的抑制活性。