The Oxidation of Heterocyclic Thiones

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Abstract
The treatment of a variety of heterocyclic thiones with hydrogen peroxide in acetic acid produces either heteroaromatic cations or the corresponding "oxo" compound. The results may be correlated with structural and electronic features. Benzo substitution or the presence of strongly electron withdrawing groups in the molecule favors the latter product, whereas the presence of a σ trivalent nitrogen atom in the molecule favors the former.

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