Thermal decomposition of arenesulphenyl carboxylates in an inert medium gives the carboxylic acid anhydride, the acid, and products derived from the aryl arene S-sulphinate. A mechanism involving formation of an intermediate thiosulphonium salt, Ar[graphic omitted](SAr)O·COR RCO2–, is proposed. Decomposition of 2,4-dinitrobenzenesulphenyl acetate in benzene gives 2,4-dinitrophenyl phenyl sulphide in good yield.
P. A. Bell, D. R. Hogg and A. Robertson, J. Chem. Soc., Perkin Trans. 1, 1978, 1246 DOI: 10.1039/P19780001246
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