Oxidation by hydrogen peroxide or peracids to give S-oxides is a characteristic reaction of sulphides and thiocarbonyl compounds.1~2 Relatively little is known, however, about the relative ease of oxidation of a sulphide and a thiocarbonyl sulphur in the same molecule. If the two groups interact by resonance as in dithiocarboxylates2 or in thia~anthione,~ the ... Published on 01 January 1983. Downloaded by google on 16/02/2016 09:17:33. ... View Article Online / ...