申请人:BEECHAM GROUP PLC
公开号:EP0315390A2
公开(公告)日:1989-05-10
Compounds of formula (I) and pharmaceutically acceptable salts thereof:
wherein
X is N or CH;
R₁ and R₂ are the same or different and are hydrogen, halogen, CF₃, C₁₋₆ alkyl, C₁₋₇ acyl, C₁₋₇ acylamino, or amino, aminocarbonyl or aminosulphonyl, optionally substituted by one or two C₁₋₆ alkyl or C₃₋₈ cycloalkyl groups, or by C₄₋₅ polymethylene or by phenyl, C₁₋₆ alkylsulphonyl, C₁₋₆ alkylsuphinyl, C₁₋₆ alkoxy, C₁₋₆ alkylthio, hydroxy or nitro; or R₁ and R₂ taken together are methylenedioxy or ethylenedioxy;
Z is a group of formula (a), (b) or (c)
wherein
n is 2 or 3; p is 1 or 2; g is 1 to 3; r is 1 to 3; and R₃ or R₄ is C₁₋₄ alkyl;
having 5-HT₃ receptor antagonist activity, a process for their preparation and their use as pharmaceuticals.
式 (I) 的化合物及其药学上可接受的盐类:
其中
X 是 N 或 CH;
R₁ 和 R₂ 相同或不同,并且是氢、卤素、CF₃、C₁₋₆ 烷基、C₁₋₇酰基、C₁₋₇ 氨基酰基或氨基、氨基羰基或氨基磺酰基、可选择被一个或两个 C₁₋₆ 烷基或 C₃₋₈ 环烷基、或 C₄₋₅ 聚亚甲基或苯基取代、C₁₋₆ 烷基磺酰基、C₁₋₆ 烷基丁酰基、C₁₋₆ 烷氧基、C₁₋₆ 烷硫基、羟基或硝基;或 R₁ 和 R₂ 合在一起为亚甲基二氧基或亚乙基二氧基;
Z 是式(a)、(b)或(c)的基团
其中
n 是 2 或 3;p 是 1 或 2;g 是 1 至 3;r 是 1 至 3;以及 R₃ 或 R₄ 是 C₁₋₄ 烷基;
具有 5-HT₃受体拮抗剂活性的化合物、其制备方法和药物用途。