A 1-benzhydryl-4-cinnamylpiperazine derivative represented by the following formula (I)
wherein R1 represents a hydrogen atom or a methoxy groups, and R2 represents a hydrogen or flourine atom, or a pharmaceutically acceptable acid addition salt thereof. The compound (I) is prepared by selectively reducing the corresponding 1-benzhydryl-4-cinnamoylpiperazine derivative and optionally converting the product into its acid addition salt. The compound (I) is useful for improvement of cerebrovasculan disease in a human.
由下式(I)代表的 1-二苯甲基-4-
肉桂基哌嗪衍
生物
其中 R1 代表氢原子或甲氧基,R2 代表氢原子或面粉碱原子,或其药学上可接受的酸加成盐。化合物(I)是通过选择性还原相应的 1-二苯甲基-4-肉桂酰基
哌嗪衍
生物,并选择性地将产物转化为其酸加成盐而制备的。化合物(I)可用于改善人类的脑血管疾病。