Due to similar reactivity in comparison with aromatic organometallic reagents, diaryliodonium salts are currently in broad usage as less toxic, highly efficient, stable and mild electrophilic reagents in organic synthesis. The hypervalent iodine center of diaryliodonium salts can lead to unique reactivity, which thus is frequently presented in metal-free arylations or metal-involved elementary reactions such as oxidative addition, reduction elimination, ligand coupling and ligand exchange reaction. As such, diaryliodonium salts have experienced explosive growth by transferring aromatics to the target molecules. In contrast to the reviews on the synthetic utility or aryl transformations by using diaryliodonium salts, this review provides a summary of their structures and the synthetic strategies towards them during recent decades.

由于与芳族有机金属试剂相比具有相似的反应性，二芳基碘鎓盐目前作为有机合成中毒性较小，高效，稳定和温和的亲电试剂而得到广泛使用。二芳基碘鎓盐的高价碘中心可导致独特的反应性，因此经常在无金属的芳基化或涉及金属的基本反应（例如氧化加成，还原消除，配体偶联和配体交换反应）中出现。这样，二芳基碘鎓盐通过将芳族化合物转移至靶分子而经历了爆炸性增长。与通过使用二芳基碘鎓盐进行的合成效用或芳基转化的综述相反，该综述提供了近几十年来它们的结构及其合成策略的概述。