Hypervalent iodine(III): selective and efficient single-electron-transfer (SET) oxidizing agent
作者:Toshifumi Dohi、Motoki Ito、Nobutaka Yamaoka、Koji Morimoto、Hiromichi Fujioka、Yasuyuki Kita
DOI:10.1016/j.tet.2009.10.040
日期:2009.12
ethers, affording the corresponding aromatic cation radicals. Since then, hypervalent iodine(III) has been utilized as a selective and efficient SET oxidizing agent that enables a variety of direct C–H functionalizations of aromatic rings in electron-rich arenes under mild conditions. We have now extended the original method to work in a series of heteroaromatic compounds such as thiophenes, pyrroles,
1994年,我们首先确定了苯基碘(III)双(三氟乙酸盐)(PIFA)对苯基醚的单电子转移(SET)氧化能力,提供了相应的芳族阳离子自由基。从那时起,高价碘(III)已被用作一种选择性和高效的SET氧化剂,可在温和条件下在富电子芳烃中实现芳环的各种直接C–H官能化。现在,我们已经将原始方法扩展为可用于一系列杂芳族化合物,例如噻吩,吡咯和吲哚。本文总结了自本世纪初以来的调查和结果。