申请人:Hosaka Toshihiro
公开号:US20060135597A1
公开(公告)日:2006-06-22
There are disclosed a large conductance calcium-activated K channel opener comprising a compound of the formula (I):
wherein ring A is a 5-membered heterocyclic ring containing any one of O, N or S, which ring may be substituted by R
4
,
R
1
is aryl, heterocyclic or heterocycle-substituted carbonyl; R
2
is hydrogen, halogen, carboxy, amino, alkyl, alkoxycarbonyl, alkenyl or cycloalkyl; R
3
is aryl, heterocyclic or alkyl; and R
4
is hydrogen or alkyl, each of substituents may be substituted, or a pharmaceutically acceptable salt thereof as an active ingredient.
揭示了一种大导电性钙激活K通道开放剂,包括式(I)的化合物:其中环A是一个含有O、N或S中的任何一种的5元杂环,该环可以被R4取代,R1是芳基、杂环或杂环取代的酰基;R2是氢、卤素、羧基、氨基、烷基、烷氧羰基、烯基或环烷基;R3是芳基、杂环或烷基;R4是氢或烷基,每个取代基都可以被取代,或其药用可接受的盐作为活性成分。