Department of Chemistry, Texas A&M University, College Station, Texas 77843, USA.
ChemMatCARS, University of Chicago, Argonne, IL 60439, USA.
Chem Commun (Camb). 2023 Apr 6;59(29):4308-4311. doi: 10.1039/d3cc00549f.
We demonstrate that sequential disproportionation reactions can enable selective aggregation of two- or four electron-holes at a hypervalent iodine center. Disproportionation of an anodically generated iodanyl radical affords an iodosylbenzene derivative. Subsequent iodosylbenzene disproportionation can be triggered to provide access to an iodoxybenzene. These results demonstrate multielectron oxidation at the one-electron potential by selective and sequential disproportionation chemistry.
我们证明,顺序歧化反应可以使高价碘中心选择性聚集两个或四个电子。阳极生成的碘酰自由基的歧化反应得到碘代苯衍生物。随后的碘代苯歧化反应可以被触发,从而提供碘氧基苯。这些结果表明,通过选择性和顺序歧化化学,可以在单电子电位下进行多电子氧化。