Oxidative decarboxylation of arylacetic acids mediated by peroxysulfur intermediate generated from 2-nitrobenzenesulfonyl chloride and superoxide

Article abstract of DOI:10.1016/S0040-4039(97)10706-7

The oxidative decarboxylation of aryl, α, α-diaryl, or arylalkylacetic acids has been achieved by a 2-nitrobenzenesulfonyl peroxy radical intermediate (I) generated by the reaction of 2-nitrobenzenesulfonyl chloride with potassium superoxide at -20°C in dry acetonitrile.