Simple preparation of 4-aryl- and 4-alkyl-2(5H)-furanones from β-substituted crotonic esters

Article abstract of DOI:10.1055/s-1992-26237

Treatment of β-aryl- or β-alkylcrotonic esters with selenium dioxide in acetic acid in the presence of a catalytic amount of perchloric acid gave 4-substituted 2(5H)-furanones in moderate to good yields.