申请人:Hongu Mitsuya
公开号:US20100256165A1
公开(公告)日:2010-10-07
A large conductance calcium-activated K channel opener comprising as an active ingredient a nitrogen-containing 5-membered heterocyclic compound represented by the following formula (I):
wherein X represents N—R
4
, O or S, R
1
and R
2
each independently represent hydrogen, halogen, carboxyl, amino, lower alkyl, lower alkoxycarbonyl, lower alkenyl, cyclo-lower alkyl, carbamoyl, aryl, heterocyclic or heterocyclic-substituted carbonyl group, R
3
represents aryl, heterocyclic or lower alkyl group, and R
4
represents hydrogen or lower alkyl group,
or a pharmaceutically acceptable salt thereof.
一种大导电性钙激活的K通道开放剂,其作为活性成分是一种含氮的5元杂环化合物,表示为以下式子(I):其中X代表N—R4,O或S,R1和R2各自独立地表示氢、卤素、羧基、氨基、低碳基、低碳氧基羰基、低烯基、环-低碳基、氨基甲酰基、芳基、杂环或杂环取代的羰基基团,R3表示芳基、杂环或低碳基团,R4表示氢或低碳基团,或其药学上可接受的盐。