Medicament for treating cerebral insufficiency diseases containing 2-(1-piperazinyl)-4-phenylcycloalkanopyrimidine derivatives, and process for the production thereof
申请人:DAINIPPON PHARMACEUTICAL CO., LTD.
公开号:EP0384228A1
公开(公告)日:1990-08-29
Medicament for the treatment of cerebral insufficiency diseases comprising as an active ingredient a compound of the formula:
wherein n is 3, 4, 5 or 6; R¹ is hydrogen atom, C₁-C₆ alkyl, C₃-C₈ cycloalkyl, hydroxy-(C₂-C₆) alkyl, unsubstituted or substituted aryl, heteroaryl, unsubstituted or substituted aryl-(C₁-C₆) alkyl, unsubstituted or substituted arylcarbonyl-(C₁-C₆) alkyl, or acyl; R² is hydrogen atom, halogen atom, C₁-C₆ alkyl, C₁-C₆ alkoxy, or trifluoromethyl; and R³ is hydrogen atom or C₁-C₆ alkyl, or an acid addition salt thereof, novel 2-(1-piperazinyl)-4-phenyl-cycloalkanopyrimidine derivatives having excellent cerebral function improving activity, processes for the preparation thereof.
用于治疗脑功能不全疾病的药物,其有效成分包括以下式子的化合物
其中 n 为 3、4、5 或 6;R¹ 是氢原子、C₁-C₆ 烷基、C₃-C₈ 环烷基、羟基-(C₂-C₆) 烷基、未取代或取代的芳基、杂芳基、未取代或取代的芳基-(C₁-C₆) 烷基、未取代或取代的芳羰基-(C₁-C₆) 烷基或酰基;R²是氢原子、卤素原子、C₁-C₆烷基、C₁-C₆烷氧基或三氟甲基;以及 R³是氢原子或 C₁-C₆烷基,或其酸加成盐,新型 2-(1-哌嗪基)-4-苯基环烷基嘧啶衍生物具有优异的改善脑功能活性,及其制备工艺。