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Synlett 1991; 1991(3): 191-192
DOI: 10.1055/s-1991-20675
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Observations on the Reaction of Dithioketals with para-lodotoluene Difluoride: A Novel Route to gem-Difluoro Compounds

William B. Motherwell* , John A. Wilkinson
  • *Department of Chemistry, Imperial College of Science, Technology and Medicine, South Kensington, London, SW7 2AY, England
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Publication Date:
07 March 2002 (online)

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Reaction of dithioketals with 4-methyliodobenzene difluoride [4-(difluoroiodo)toluene] provides a simple, mild, and convenient method for conversion to the corresponding gem-difluoro compounds. The method is particularly suited to substrates which involve stabilised carbocationic intermediates.