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Synlett 1990; 1990(10): 603-604
DOI: 10.1055/s-1990-21181
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Trifluoromethanesulfonic Anhydride, a Superior Reagent for the Conversion of Formamides to Isonitriles

J. E. Baldwin* , I. A. O'Neil
  • *Dyson Perrins Laboratory and Oxford Centre for Molecular Sciences, South Parks Rd, Oxford OX1 3QY, England
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Publication Date:
08 March 2002 (online)

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Trifluoromethanesulfonic anhydride (triflic anhydride) in the presence of diisopropylethylamine effects the conversion of formamides and vinyl formamides into isonitriles and vinyl isonitriles at -78 °C in high yield.