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Synthesis 1990; 1990(9): 847-849
DOI: 10.1055/s-1990-27033
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Phenyltrimethylammonium Tribromide for Selective Oxidation of Sulfides to Sulfoxides. A Convenient Synthesis of Sulfinyl-18O-Labelled Sulfoxide Carboxylic Acids

József Rábai* , István Kapovits, Béla Tanács, József Tamás
  • *Institute of Organic Chemistry, Eötvös University, H-1518 Budapest 112, P.O. Box 32, Hungary
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Publication Date:
17 September 2002 (online)

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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.