Poly(4-vinylpyridinium tribromide) as metal-free, green and recoverable oxidizing polymer for the ch

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Poly(4-vinylpyridinium wibromide) was prepared from poly(4-vinylpyridin) and used for the selective oxidation of a variety of sulfides to the corresponding sulfoxides.The oxidation reaction was carried out heterogeneously in acetone/water,as green solvent,at room temperature.
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