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Synlett 1999; 1999(9): 1397-1398
DOI: 10.1055/s-1999-2861
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Trifluoromethanesulfonic Acid Catalyzed Preparation of Symmetrical Diaryl Sulfoxides from Arenes and Thionyl Chloride

George A. Olah* , Eric R. Marinez, G. K. Surya Prakash
  • *Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, Los Angeles, CA 90089-1661
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Publication Date:
31 December 1999 (online)

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The preparation of symmetrical diaryl sulfoxides from thionyl chloride and arenes catalyzed by trifluoromethanesulfonic acid is described. The reaction is characterized by its mildness, high yields, selectivity, and ease of workup.

trifluoromethanesulfonic acid - thionyl chloride - sulfoxide - arenes