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Keywords:

  • hypervalent compounds;
  • iodine reagents;
  • oxidation;
  • radicals
Thumbnail image of graphical abstract

A single-electron transfer (SET) is the key step in new reactions using the hypervalent iodine compound 2-iodoxybenzoic acid (IBX) 1 as a reagent. Efficient oxidations of alcohols, oxidation of the benzylic position, or introduction of α,β-double bonds into carbonyl compounds are other new applications of this reagent.