申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP1795527A1
公开(公告)日:2007-06-13
A compound represented by, e.g. the formula (I):
[wherein X, Y, Z, and W each independently represent optionally substituted methine; A, B, and D each independently represent -C(O)-, etc.; Q represents a methine or a nitrogen; and R represents the formula (II-1), optionally substituted with lower alkyl, etc.;
(wherein R6 represents a lower alkyl, etc; and R7 and R8 each independently represents a lower alkyl, etc.)] or a pharmaceutically acceptable salt of the compound. The compounds and salt have antagonistic activity against a histamine H3 receptor or inverse agonistic activity against a histamine H3 receptor. They are useful in the prevention or treatment of metabolic diseases, circulatory diseases, or neurotic diseases.
如式(I)所代表的化合物:
[其中 X、Y、Z 和 W 各自独立地代表任选取代的甲烷;A、B 和 D 各自独立地代表-C(O)-等;Q 代表甲烷或氮;R 代表式(II-1),任选被低级烷基等取代;
(其中 R6 代表低级烷基等;R7 和 R8 各自独立地代表低级烷基等)]或该化合物的药学上可接受的盐。这些化合物和盐对组胺 H3 受体具有拮抗活性,或对组胺 H3 受体具有反向激动活性。它们可用于预防或治疗代谢性疾病、循环系统疾病或神经性疾病。