申请人:Meiji Seika Kaisha, Ltd.
公开号:US05194617A1
公开(公告)日:1993-03-16
2,3-disubstituted-4-hydroxyquinoline derivatives of the general formula (I): ##STR1## [wherein R.sup.1 represents a hydrogen atom or R.sup.3 CO-- (wherein R.sup.3 is a lower alkyl group); R.sup.2 represents a hydrogen atom, --CH.sub.3 or --C.sub.2 H.sub.5 ; A represents ##STR2## and W represents a hydrogen atom, or 1- 4 halogen atoms or alkyl groups which are substituted at the nucleus and may be the same or different] have a strong antagonistic action on leukotriene D.sub.4.
通式(I)的2,3-二取代-4-羟基喹啉衍生物:##STR1##其中R.sup.1代表氢原子或R.sup.3 CO-(其中R.sup.3是较低的烷基基团);R.sup.2代表氢原子,-CH.sub.3或-C.sub.2 H.sub.5;A代表##STR2##,W代表氢原子,或1-4个在核上取代的卤素原子或烷基基团,可以相同也可以不同]对白三烯D.sub.4具有强烈的拮抗作用。