申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0234707A1
公开(公告)日:1987-09-02
The invention provides a compound of formula (1):-
or a pharmaceutically acceptable acid addition salt thereof in which
R1 is hydrogen, C1-4alkyl, C1-4alkoxy, halogen or amino;
n is 2, 3 or 4;
m is 2, 3 or 4; and
R2 is hydrogen or CH2R3 where
R3 is hydrogen, C1-6alkyl, or C3-8cycloalkyl; phenyl optionally substituted by one or more C1-6alkyl, C1-6alkoxy, nitro or hydroxy groups or halogen atoms, or a methylenedioxy group; pyridyl or pyridyl-N-oxide optionally substituted by one or more C1-6alkyl, C1-6alkoxy, hydroxymethyl or hydroxy groups or halogen atoms; or a pyridone group in which the nitrogen atom is substituted by C1-6alkyl.
The compounds are useful as histamine H1-antagonists.
本发明提供了式(1)化合物
或其药学上可接受的酸加成盐,其中
R1是氢、C1-4烷基、C1-4烷氧基、卤素或氨基;
n 是 2、3 或 4
m 是 2、3 或 4;以及
R2 是氢或 CH2R3,其中
R3 是氢、C1-6-烷基或 C3-8 环烷基;苯基,任选被一个或多个 C1-6 烷基、C1-6-烷氧基、硝基或羟基或卤素原子取代,或亚甲基二氧基;吡啶基或吡啶基-N-氧化物,任选被一个或多个 C1-6 烷基、C1-6-烷氧基、羟甲基或羟基或卤素原子取代;或吡啶酮基团,其中氮原子被 C1-6 烷基取代。
这些化合物可用作组胺 H1 拮抗剂。