Abstract
Abstract Various sulfoxides, such as dialkyl, alkyl-aryl, and diaryl sulfoxides, were readily oxidized into the corresponding sulfones, in excellent yields under mild conditions, by 2-nitrobenzene peroxysulfur intermediate yenerated in situ from 2-nitrobenzenesulfonyl chloride and potassium superoxide at −30 °C, in dry acetonitrile. Chemoselective oxidation of sulfoxides which contain both double bond and sulfinyl moiety to the sulfones, was observed under the same conditions.
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