NOVEL BENZOFURAN DERIVATIVE, MEDICINAL COMPOSITION CONTAINING THE SAME, AND USES OF THESE
申请人:Nakamura Tetsuya
公开号:US20090239860A1
公开(公告)日:2009-09-24
The present invention provides compounds represented by general formula (I):
or pharmaceutical acceptable salts thereof, wherein R
1
is hydrogen or lower alkyl; R
2
is lower alkyl, halo-lower alkyl, cycloalkyl, heterocycloalkyl, aryl, aralkyl, arylalkenyl, aryloxy-lower alkyl, heteroaryl, heteroaryl-lower alkyl, etc; R
3
, R
4
, R
5
and R
6
are each hydrogen, halogen, cyano, lower alkyl, halo-lower alkyl, lower alkoxy, hydroxy, aryl, etc; provided that at least one of R
3
, R
4
, R
5
and R
6
is other than hydrogen. Compound (I) of the present invention shows a potent adenosine A
2A
receptor antagonistic activity, and are useful for treating or preventing a disease mediated by adenosine A
2A
receptors such as motor function disorders, depression, anxiety disorders, cognitive function disorders, cerebral ischemia disorders, restless legs syndrome and the like.
本发明提供了通式(I)所表示的化合物或其药物可接受的盐,其中R1是氢或低碳基;R2是低碳基,卤代低碳基,环烷基,杂环烷基,芳基,芳基烷基,芳基烯基,芳氧基-低碳基,杂芳基,杂芳基-低碳基等;R3、R4、R5和R6均为氢、卤素、氰基、低碳基、卤代低碳基、低碳氧基、羟基、芳基等;其中至少有一个R3、R4、R5和R6不是氢。本发明的化合物(I)表现出强大的腺苷A2A受体拮抗活性,并且可用于治疗或预防由腺苷A2A受体介导的疾病,例如运动功能障碍、抑郁症、焦虑症、认知功能障碍、脑缺血性疾病、不宁腿综合征等。