Aryl alkenoic acid derivatives as leukotriene antagonists
申请人:Miles Inc.
公开号:US05266713A1
公开(公告)日:1993-11-30
Aryl alkenoic acid derivatives, and physiologically acceptable salts thereof, are provided which are potent leukotriene antagonists and may be used for the treatment of circulatory diseases and preferably for respiratory diseases such as asthma. The derivatives have a general formula I ##STR1## in which X is --S--, W is CH.dbd.CH; o is 1 to 4; n is 2 to 6; m is 0 to 2; T and Z, same or different, represent oxygen or a direct bond; R.sup.2 and R.sup.3, represent hydrogen, or fluorine; A represents carboxyl, CO.sub.2 R.sub.4.sup.4, wherein R.sup.4 is lower alkyl R is ##STR2## wherein Y represents carboxyl, CO.sub.2 R.sup.4, wherein R.sup.4 is lower alkyl R.sup.7 and R.sup.8, same or different, represent H or lower alkyl; R.sup.9 represents --OH, --O-alkyl, NH.sub.2 or a NHCH.sub.2 CO.sub.2 H group; and R.sup.10 R3 is H.