2-Nitro-4-trifluoromethylbenzene- and 2-nitrobenzene-sulphenate anions, generated by the base-catalysed hydrolysis of the corresponding disulphide or sulphenate ester, undergo S-methylation with methyl iodide but predominantly O-methylation with the ‘harder’ methylating agents, methyl fluorosulphonate and dimethyl sulphate. Sulphinate ions react similarly with methyl fluorosulphonate.
D. R. Hogg and A. Robertson, J. Chem. Soc., Perkin Trans. 1, 1979, 1125 DOI: 10.1039/P19790001125
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