Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Activation of Superoxide. Facile Oxidation of Sulfoxides into Sulfones with a Peroxysulfur Intermediate Generated in situ from 2-Nitrobenzenesulfonyl Chloride and Superoxide
Yong Hae KimHyeon Kyu Lee
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1987 Volume 16 Issue 8 Pages 1499-1502

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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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