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Abstract
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Selectfluor ® acts as a safe and efficient reagent for the oxidation of urazoles, alcohols and also sulfides via releasing the electrophile F under the solvent-free conditions. In room temperature, this reagent cannot oxidize the substrates alone and requires KBr as the catalyst. In the proposed mechanism, Selectfluor ® converts the Br - to the Br-F and the lone-pair electron of substrates attack to Br-F to perform the oxidation reaction. This procedure offers some advantages; for example short reaction time, simple work-up, good yield and matching with some green chemistry approaches.
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