A novel preparation of the sulphenylimine, 1,2-benzothiazine-4-one involving sequential nucleophilic displacement of a toluene-p-sulphonate group from an oxime tosylate and dealkylation of an arylalkyl sulphide is reported; a possible mechanism is presented.
S. Jones, P. D. Kennewell, R. Westwood and P. G. Sammes, J. Chem. Soc., Chem. Commun., 1990, 497 DOI: 10.1039/C39900000497
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