Imidazole derivatives, process for their preparation and their pharmaceutical use
申请人:BEECHAM GROUP PLC
公开号:EP0387431A1
公开(公告)日:1990-09-19
Compounds of formula (I) and pharmaceutically acceptable salts thereof:
wherein
R₁ and R₂ are independently hydrogen or C₁₋₆ alkyl;
Z is a group of sub-formula (a), (b), (c), (d) or (e):
wherein
Xa to Xe are selected from hydrogen, halogen and hydroxy;
R₃ is hydrogen and R₄ is hydrogen or C₁₋₆ alkyl, or R₃ and R₄ together are a bond;
R₅ to R₁₁ are independently selected from hydrogen or C₁₋₆ alkyl; and R₆ together with R₄ may be C₂₋₇ polymethylene when R₃ is hydrogen, or R₁₀ and
R₁₁ may together be C₂₋₇ polymethylene;
having 5-HT₃ receptor antagonist activity, processes for their preparation and their use as pharmaceuticals.
化合物式(I)及其药学上可接受的盐:其中,R₁和R₂独立地为氢或C₁₋₆烷基;Z是亚式(a)、(b)、(c)、(d)或(e)的基团:其中,Xa到Xe选择自氢、卤素和羟基;R₃为氢,R₄为氢或C₁₋₆烷基,或R₃和R₄一起为键;R₅到R₁₁独立地选择自氢或C₁₋₆烷基;当R₃为氢时,R₆与R₄可以是C₂₋₇聚亚甲基,或者R₁₀和R₁₁可以一起是C₂₋₇聚亚甲基;具有5-HT₃受体拮抗剂活性,制备它们的方法以及它们作为药物的用途。