Journal
ORGANIC LETTERS
Volume 13, Issue 10, Pages 2584-2585Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol200695y
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Funding
- NIH [GM 008500, RR02002]
- NSF [CHE 7904825, PGM 8018643]
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A smooth and efficient oxidation of isonitriles to isocyanates by sulfoxides is catalyzed by trifluoroacetic anhydride. With use of DMSO as the oxidant and 5 mol.% TFAA (dichloromethane, -60 to 0 degrees C), the process is complete in a few minutes, forming dimethyl sulfide as the only byproduct. The newly formed Isocyanates may be used directly or Isolated In high purity by solvent evaporation.
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