Trifluoromethylation of α-haloketones

J Am Chem Soc. 2012 Oct 3;134(39):16167-70. doi: 10.1021/ja307783w. Epub 2012 Sep 21.

Abstract

The C-X bond (X = Br, Cl) of α-haloketones is smoothly trifluoromethylated with the fluoroform-derived CuCF(3) reagent recently developed in our laboratories. This is the first nucleophilic α-trifluoromethylation reaction of carbonyl compounds and a rare example of CF(3)-C(sp(3)) coupling. The transformation employs only low-cost chemicals and cleanly occurs in up to 99% yield at room temperature, thereby providing an unprecedentedly easy entry to valuable 2,2,2-trifluoroethylketones.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Chlorofluorocarbons, Methane / chemistry*
  • Halogens / chemistry*
  • Ketones / chemistry*
  • Stereoisomerism
  • Substrate Specificity
  • Temperature

Substances

  • Chlorofluorocarbons, Methane
  • Halogens
  • Ketones
  • fluoroform