申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:EP0110996A1
公开(公告)日:1984-06-20
Imidazole derivatives represented by the general formula (1), wherein R1 and R4 each represents a hydrogen atom or a lower alkyl group, R2 and R3 each represents a hydrogen atom, a halogen atom, a hydroxy group, a lower alkyl group, a lower alkoxy group, an aralkyloxy group, a nitro group or an amino group, A represents -0-, -S-, -CH=CH- or -CH=N-, Z represents an aryl group, a thienyl group, a pyridyl group or a furyl group, with the aromatic (or heterocyclic) rings being optionally substituted by 1 to 3 same or different substituents selected from among halogen, lower alkyl, cyclic alkyl, lower alkoxy, hydroxy, carboxy, lower alkoxycarbonyl, carboxy lower alkoxy, di(lower alkyl)-amino lower alkoxy, and nitro, pharmaceutically acceptable acid addition salts thereof, a process for their preparation, and a medicinal composition containing them. These compounds have an effect of inhibiting biosynthesis of thromboxane A2, an effect of suppressing aggregation of thrombocytes, a vasodilative effect, and an effect of protecting liver disorder.
由通式(1)代表的咪唑衍生物,其中 R1 和 R4 分别代表氢原子或低级烷基,R2 和 R3 分别代表氢原子、卤素原子、羟基、低级烷基、低级烷氧基、芳氧基、硝基或氨基,A 代表-0-、-S-、-CH=CH- 或-CH=N-,Z 代表芳基、噻吩基、吡啶基或呋喃基、芳环(或杂环)可任选被 1 至 3 个相同或不同的取代基取代,这些取代基可从卤素、低级烷基、环烷基、低级烷氧基、羟基、羧基、低级烷氧基羰基、羧基低级烷氧基、二(低级烷基)-氨基低级烷氧基和硝基中选择。这些化合物具有抑制血栓素 A2 生物合成的作用、抑制血小板聚集的作用、扩张血管的作用以及保护肝脏功能紊乱的作用。