Oxazolinone derivative having intracellular phospholipase A2 inhibitor activity

摘要

A compound represented by general formula (I), and having an intracellular phospholipase A2 inhibitor activity, and a composition containing the same, wherein a and b represent each a carbon atom and the bond -- between the atoms a and b represents either a single or a double bond; X represents hydrogen, optionallysubstituted aryl, heteroaryl or aralkyl; Y represents hydrogen, optionally substituted aryl, aralkyl, carboxyl or a functional group related thereto; and Z represents hydrogen, optionally substituted alkyl, alkenyl, alkynyl, aralkyl, arylalkenyl, heteroarylalkyl, heteroarylalkenyl, aryloxyalkyl, aralkyloxyalkyl, arylcarbonyalkyl, arylsufonylalkyl, heteroarylsulfonylalkyl, aminoalkyl, carboxyalkyl or a functional group related thereto, alkyloxycarbonyl, aralkyloxycarbonyl, arylcarbonyl, alkylsulfonyl, arylsulfonyl or heteroarylsulfonyl; provided the case where X, Y and Z represent simultaneously hydrogen atoms is excluded.