申请人:Mitsubishi Tanabe Pharma Corporation
公开号:EP2412711A1
公开(公告)日:2012-02-01
Disclosed is a compound which is useful in preventing and treating cardiac arrhythmia such as atrial fibrillation. A compound represented by formula (1) or a pharmaceutically acceptable salt of the same.
In formula (1), ring X represents benzene or pyridine; R1 represents an optionally substituted alkyl group; R2 represents an optionally substituted aryl group, an optionally substituted heterocyclic group, an optionally substituted arylalkyl group or an optionally substituted heterocyclic group-substituted alkyl group; R3, R4, R5, R6, R7, R8 and R9 represent each hydrogen or an alkyl group, provided that R3 and R5 may be bonded to each other to form, together with the carbon atom adjacent thereto, a cycloalkyl group; and m represents 0 or 1.
本发明公开了一种可用于预防和治疗心律失常(如心房颤动)的化合物。式(1)代表的化合物或其药学上可接受的盐。
在式(1)中,环 X 代表苯或吡啶;R1 代表任选取代的烷基;R2 代表任选取代的芳基、任选取代的杂环基、任选取代的芳烷基或任选取代的杂环基取代的烷基;R3、R4、R5、R6、R7、R8 和 R9 分别代表氢或烷基,但 R3 和 R5 可相互键合,与其相邻的碳原子一起形成环烷基;m 代表 0 或 1。