Ammonium bromide as an effective and viable catalyst in the oxidation of sulfides using nitro urea and silica sulfuric acid |
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| Authors: | A Ghorbani-Choghamarani P Zamani |
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| Institution: | 1. Department of Chemistry, Faculty of Science, Ilam University, P.O. Box 69315516, Ilam, Iran
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| Abstract: | A new catalytic method for the chemoselective oxidation of sulfides to the sulfoxides has been studied. A variety of dialkyl, alkylaryl and diaryl sulfides were subjected to the oxidation reaction by a mixture of nitro urea, derived from urea nitrate, silica sulfuric acid (SiO2-OSO3H) and catalytic amounts of ammonium bromide in CH2Cl2 at room temperature. |
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