申请人:——
公开号:US20040127527A1
公开(公告)日:2004-07-01
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):
1
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,包括以下式子(I)所表示的含氮5元杂环化合物作为活性成分:1其中,X代表N-R4,O或S,R1和R2各自独立地代表氢、卤素、羧基、氨基、低级烷基、低级烷氧羰基、低级烯基、环状低级烷基、氨基甲酰基、芳香族、杂环或杂环取代的羰基基团,R3代表芳香族、杂环或低级烷基基团,R4代表氢或低级烷基基团,或其药学上可接受的盐。