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Phenyltrimethylammonium Tribromide for Selective Oxidation of Sulfides to Sulfoxides. A Convenient Synthesis of Sulfinyl-<sup>18</sup>O-Labelled Sulfoxide Carboxylic Acids
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1990
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Selective OxidationOrganic GeochemistryChemical EngineeringIsotope EnrichmentEngineeringAdvanced Oxidation ProcessVarious SulfidesCatalytic SynthesisOrganic ChemistryConvenient SynthesisCatalysisPhenyltrimethylammonium TribromideChemistryDesulfurizationRedox ChemistryDeoxygenationSynthetic ChemistryLabelled Sulfoxides
Various sulfides can be oxidized selectively to the corresponding sulfoxides in high yields using phenyltrimethylammonium tribromide in aqueous pyridine solution. This method allows 18O- labelled sulfoxides to be prepared with no loss of isotope enrichment of the (18O)water used.