申请人:ZERIA PHARMACEUTICAL CO., LTD.
公开号:EP0598123A1
公开(公告)日:1994-05-25
A piperazine derivative represented by general formula (I) and a salt thereof, wherein B represents phenyl or pyridyl; m represents an integer of 2 or 3; p represents an integer of 1 or 2; R¹ represents hydrogen or halogen; and A represents -COOR², -Y-(CH₂)n-R³, (a), (b) or (c), wherein R² represents hydrogen or lower alkyl, Y represents sulfur, oxygen, NH or <-CONH- wherein <- represents a linkage with (CH₂)m; n represents an integer of 0 to 3; R³ represents cyano, amino, hydroxymethyl, 1H-tetrazolyl, 1-imidazolylcarbonyl, etc.; X represents CH or nitrogen; and R⁶ represents hydrogen or lower alkoxy. The compound has potent antihistaminic and antiallergic activities and high safety, and hence is excellent as antihistaminic, antiallergic and antiasthmatic drugs.
通式(I)代表的哌嗪衍生物及其盐,其中 B 代表苯基或吡啶基;m 代表 2 或 3 的整数;p 代表 1 或 2 的整数;R¹ 代表氢或卤素;和 A 代表-COOR²、-Y-(CH₂)n-R³、(a)、(b)或(c),其中 R² 代表氢或低级烷基,Y 代表硫、氧、NH 或 <-CONH- 其中 <- 代表与 (CH₂)m 连接;n 代表 0 至 3 的整数;R³ 代表氰基、氨基、羟甲基、1H-四唑基、1-咪唑羰基等。X 代表 CH 或氮;R⁶ 代表氢或低级烷氧基。该化合物具有很强的抗组胺和抗过敏活性,安全性高,因此是抗组胺、抗过敏和抗哮喘药物的极佳选择。