A novel nitrogenous fused bicyclic compound represented by the following general formula [1] or a pharmacologically acceptable salt of the compound. They have excellent SK channel blocking activity and are useful as a medicine. [I] (In the formula, R
0
represents hydrogen, halogeno, etc.; R
1
represents a group represented by the formula (a) or (b); A represents a group represented by the formula (X) or (Y); D
1
, D
2
and D
3
each represents N or CH; R
2
represents halogeno or optionally halogenated lower alkyl, etc.; R
3
represents hydrogen or lower alkyl; and Q represents lower alkylene.)
A compound according to Formula I: or a pharmaceutically-acceptable salt thereof, wherein R1, R3, A, B and D are as defined in the specification; pharmaceutical compositions thereof, and methods of use thereof.
A novel nitrogenous fused bicyclic compound represented by the following general formula [1] or a pharmacologically acceptable salt of the compound. They have excellent SK channel blocking activity and are useful as a medicine. [I] (In the formula, R0 represents hydrogen, halogeno, etc.; R1 represents a group represented by the formula (a) or (b); A represents a group represented by the formula (X) or (Y); D1, D2 and D3 each represents N or CH; R2 represents halogeno or optionally halogenated lower alkyl, etc.; R3 represents hydrogen or lower alkyl; and Q represents lower alkylene.)
一种由以下通式[1]代表的新型含氮融合双环化合物或其药理学上可接受的盐。它们具有优异的 SK 通道阻断活性,可用作药物。[I](式中,R0 代表氢、卤素等;R1 代表由式(a)或(b)表示的基团;A 代表由式(X)或(Y)表示的基团;D1、D2 和 D3 各自代表 N 或 CH;R2 代表卤素或任选卤化的低级烷基等;R3 代表氢或低级烷基;Q 代表低级亚烷基)。