A piperazine derivative represented by the formula (1):
wherein n is an integer of 1 to 8; R1 represents hydrogen or C1-10 alkyl; A represents CH or nitrogen; Ar1 represents phenyl or substituted phenyl; and Y represents a group represented by the formula Y1-Y2-Ar2 or Y3-Y4(Ar5)-Ar6 or a pharmaceutically acceptable salt of the derivative. The novel piperazine derivative has MC4 receptor antagonistic activity.
一种由式(1)代表的
哌嗪衍
生物:
其中 n 为 1 至 8 的整数;R1 代表氢或 C1-10 烷基;A 代表 CH 或氮;Ar1 代表苯基或取代苯基;Y 代表由式 Y1-Y2-Ar2 或 Y3-Y4(Ar5)-Ar6 所代表的基团或该衍
生物的药学上可接受的盐。新型
哌嗪衍
生物具有 MC4 受体拮抗活性。