申请人:Fisons Limited
公开号:US04006245A1
公开(公告)日:1977-02-01
There are provided compounds of formula I, ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.7 may be the same or different, and are hydrogen, hydroxy, alkoxy, alkoxy substituted by phenyl, acyl, amino, acylamino, alkenyl, halogen, or alkyl, provided that at least one of R.sup.1, R.sup.2, R.sup.3 and R.sup.7 are other than hydrogen and hydroxy, Or an adjacent pair of R.sup.1, R.sup.2, R.sup.3 and R.sup.7 represent a chain --COCH=CH--O--, X is a hydrocarbon chain containing from 2 to 10 carbon atoms and optionally substituted by a hydroxy group, and E is a carboxy group or a tetrazole group, And pharmaceutically acceptable derivatives thereof. The compounds are indicated for use as antagonists of SRS-A.
提供的化合物的化学式为I,其中R.sup.1、R.sup.2、R.sup.3、R.sup.4、R.sup.5和R.sup.7可以相同也可以不同,可以是氢、羟基、烷氧基、被苯基取代的烷氧基、酰基、氨基、酰胺基、烯基、卤素或烷基,但至少其中之一不是氢或羟基;或者R.sup.1、R.sup.2、R.sup.3和R.sup.7中的相邻一对代表一个链--COCH=CH--O--,X是含有2至10个碳原子的烃链,可选择地被羟基取代,E是一个羧基或四唑基,及其药用可接受的衍生物。这些化合物被指定用作SRS-A的拮抗剂。