The electrografting of 4-iodonitrobenzene that is not possible directly is demonstrated while that of 5-iodo-2-amino-pyridine, 4-iodoaniline and iodobenzene is performed with a decrease of overpotential >2 V. The electrografting of aryl iodides is achieved through an iodine abstraction reaction: in the presence of a sterically hindered diazonium salt (2,6-dimethylbenzenediazonium), the aryl iodide is grafted to gold at the much less negative reduction potential of the diazonium salt.

中文翻译：

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间接电接枝芳基碘

演示了无法直接进行的4-碘硝基苯的电接枝，而对5-碘-2-氨基吡啶，4-碘苯胺和碘苯的电接枝则在过电势> 2 V的情况下进行了降低。芳基碘化物的电接枝是通过碘提取反应：在位阻重氮盐（2,6-二甲基苯重氮）的存在下，芳基碘化物以重氮盐的负还原电位低得多的价格接枝到金上。