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In the presence of bis(acetylacetonato)oxovanadium(IV), dibenzothiophene was oxidized by hydrogen peroxide to form sulfoxide and sulfone products. The percentage of dibenzothiophene remaining after the oxidation and the ratio of these oxidation products, as determined by 1 H NMR spectroscopy, was largely dependent on the solvent used. Reactions in acetonitrile consumed more than 99% of the...
Vanadium bromoperoxidase isolated from marine algae has been shown to catalyze the oxidation of the pseudohalide thiocyanate by hydrogen peroxide: (1) thiocyanate was found to inhibit bromide peroxidation through preferential oxidation of thiocyanate over bromide; (2) oxidized thiocyanate generated by the V-BrPO/NCS - /H 2 O 2 system oxidizes 5-thio-2-nitrobenzoic acid to 5,5-dithiobis(2-nitrobenzoic...
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