申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:US05646310A1
公开(公告)日:1997-07-08
Described herein are benzopyran derivatives represented by the formula: ##STR1## wherein R, X and Y represent any of the following combinations: ______________________________________ R X Y ______________________________________ C.sub.2 F.sub.5 O H C.sub.2 F.sub.5 S H CF.sub.3 S F C.sub.2 F.sub.5 S F C.sub.3 F.sub.7 S F ______________________________________ PAL and pharmaceutically acceptable salts thereof. These compounds have an excellent potassium channel activity and are also excellent from the aspect of safety.
本文描述了由以下公式表示的苯并吡喃衍生物:##STR1## 其中R、X和Y代表以下任意组合之一: ______________________________________ R X Y ______________________________________ C.sub.2 F.sub.5 O H C.sub.2 F.sub.5 S H CF.sub.3 S F C.sub.2 F.sub.5 S F C.sub.3 F.sub.7 S F ______________________________________ PAL及其药学上可接受的盐。这些化合物具有优异的钾通道活性,并且从安全性方面也表现出色。