2(5H)-FURANONES SUBSTITUTED IN THE 5 AND OR IN THE 4 POSITION, AS ANTI-INFLAMMATORY AGENTS

摘要

2078771 9116055 PCTABS00007 Compounds of formula (1), and compounds of formula (2) in which R1 is H, alkyl of 1 to 20 carbons, alkylene having one or more double bonds, alkyne having one or more triple bonds, arylalkyl, arylalkylene having one or more double bonds or arylalkyne having one or more triple bonds; R2 is H, alkyl of 1 to 20 carbons, alkylene having one or more double bonds, alkyne having one or more triple bonds, arylalkyl, arylalkylene having one or more double bonds or arylalkyne having one or more triple bonds; R3 is H, alkyl of 1 to 20 carbons, arylalkyl, or halogene, and X is H or alkyl of 1 to 20 carbons, CO-X*, CO-O-X*,, CO-NH-X*,, or PO(OX*,)2 or PO(OX*,)X*,, where X*, independently is H, alkyl of 1 to 20 carbons, phenyl, or substituted phenyl, are disclosed. However, in the compounds of the invention illustrated by formula (2), R1 and R3 both cannot be hydrogen. The compounds have anti-inflammatory activity.