申请人:Takeda Chemical Industries, Ltd.
公开号:US04880809A1
公开(公告)日:1989-11-14
Novel 1,4-disubstituted piperazine compounds represented by the formula (I): ##STR1## wherein A is a condensed polycyclic hydrocarbon group; R is a phenyl group substituted with a lower alkoxy group; X is methylene group, carbonyl group or thiocarbonyl group; and m is 2 or 3, and their salts are useful as a platelet activating factor antagonist.
新颖的1,4-二取代哌嗪化合物由以下公式(I)表示:##STR1## 其中A是一个紧凑的多环碳氢基团;R是一个被低烷氧基取代的苯基团;X是亚甲基基团、羰基或硫代羰基;m为2或3,它们的盐可用作血小板活化因子拮抗剂。