申请人:Tanabe Seiyaku Co., Ltd.
公开号:EP0306226A2
公开(公告)日:1989-03-08
A novel benzofuran derivative of the formula:
wherein R¹ is hydrogen atom, a lower alkoxy group or a halogen atom, one of R² and R³ is a lower alkyl group and the other is a lower alkyl group or a phenyl-lower alkyl group, or R² and R³ combine together with adjacent nitrogen atom to form a heteromonocyclic group, Ring A is a substituted or unsubstituted phenyl group, Y is oxygen atom or sulfur atom and n is an integer of 2 or 3, and processes thereof are disclosed.
The compound (I) or a pharmaceutically acceptable salt thereof has a potent inhibitory activity against reflective contractions of urinary bladder.
一种新型苯并呋喃衍生物,其式如下
其中 R¹ 是氢原子、低级烷氧基或卤原子,R² 和 R³ 中的一个是低级烷基,另一个是低级烷基或苯基-低级烷基,或者 R² 和 R³ 与相邻的氮原子结合在一起形成杂环基,环 A 是取代或未取代的苯基,Y 是氧原子或硫原子,n 是 2 或 3 的整数。
化合物(I)或其药学上可接受的盐对膀胱反射性收缩具有强效抑制活性。