申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0206623A2
公开(公告)日:1986-12-30
@ The present invention provides compounds of formula (1):
and pharmaceutically acceptable salts thereof; where
A1 is halogen, nitro, amino, C1-6 alkyl or C3-4 alkoxy;
A2 is hydrogen, halogen, nitro, amino, C1-6 alkyl or C3-4 alkoxy;
m is 3 or 4;
A3 is hydrogen, C1-6 alkyl or CH2A4 wherein A4 is phenyl, pyridyl, N-oxopyridyl or pyrimidinyl, each optionally substituted by C1-6 alkyl, C1-6 alkoxy, halogen or (with the exception of N-oxopyridyl) hydroxy.
The compounds are useful as histamine H1-antagonists.
@ 本发明提供了式(1)化合物:
及其药学上可接受的盐;其中
A1 是卤素、硝基、氨基、C1-6 烷基或 C3-4 烷氧基;
A2 是氢、卤素、硝基、氨基、C1-6 烷基或 C3-4 烷氧基;
m 为 3 或 4;
A3 是氢、C1-6 烷基或 CH2A4,其中 A4 是苯基、吡啶基、N-氧代吡啶基或嘧啶基,各自可选被 C1-6 烷基、C1-6 烷氧基、卤素或(N-氧代吡啶除外)羟基取代。
这些化合物可用作组胺 H1 拮抗剂。