申请人:NIPPON CHEMIPHAR CO., LTD.
公开号:EP0256890A2
公开(公告)日:1988-02-24
A pharmaceutical composition for protection of brain cells containing as an active component a piperazine derivative having the formula:
wherein R¹ is hydrogen or a lower alkyl group, R² is hydroxyl, an aralkyloxy group, a lower alkoxy group having 1-5 carbon atoms or a lower alkenyloxy group having 3-5 carbon atoms, R³ is hydrogen, an aralkyloxy group, a lower alkoxy group having 1-5 carbon atoms or a lower alkenyloxy group having 3-5 carbon atoms and R⁴ is hydrogen or a lower alkoxy group having 1-5 carbon atoms.
一种保护脑细胞的药物组合物,其活性成分为哌嗪衍生物,其式如下: 其中 R¹ 为氢或低级烷基,R² 为羟基、烷氧基、具有 1-5 个碳原子的低级烷氧基或具有 3-5 个碳原子的低级烯氧基,R³ 为氢、烷氧基、具有 1-5 个碳原子的低级烷氧基或具有 3-5 个碳原子的低级烯氧基,R⁴ 为氢或具有 1-5 个碳原子的低级烷氧基。