SYNTHETIC COMMUNICATIONS, cilt.31, sa.14, ss.2189-2194, 2001 (SCI-Expanded, Scopus)
beta -Dicarbonyl compounds were easily oxidised with manganese (III) acetate in acetic acid, to form the corresponding alpha -carboradicals, which attacked alkenes at reflux temperature to give new 5-carbamoyl-dihydrofurans in good yield.