申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP1719756A1
公开(公告)日:2006-11-08
The invention provides a compound or its pharmaceutically-acceptable salt of formula (I):
wherein A1 is a hydrogen, etc.; j and k are 0 or 1;
is a double bond, etc.;
is a double bond, etc.;
one of W1 and W2 is E-O-W, etc., and the other is a hydrogen atom, etc.; E is a divalent group derived from a benzene ring, etc., by removing two hydrogen atoms therefrom; W is a group of formula (II-1):
which has a histamine-H3 receptor antagonistic effect or a histamine-H3 receptor inverse-agonistic effect and is useful for prevention or remedy of metabolic system diseases, circulatory system diseases or nervous system diseases.
本发明提供了一种式 (I) 的化合物或其药学上可接受的盐:
其中 A1 是氢等;j 和 k 是 0 或 1;
是双键等;
是双键等
W1和W2中的一个是E-O-W等,另一个是氢原子等;E是从苯环等中去掉两个氢原子而得到的二价基团;W是式(II-1)的基团:
W 是式 (II-1) 的基团,具有组胺-H3 受体拮抗作用或组胺-H3 受体逆拮抗作用,可用于预防或治疗代谢系统疾病、循环系统疾病或神经系统疾病。