Electrochemical oxidation induced intermolecular aromatic C-H imidation

Xia Hu, Guoting Zhang, Lei Nie, Taige Kong and Aiwen Lei ()
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Xia Hu: Wuhan University
Guoting Zhang: Wuhan University
Lei Nie: Wuhan University
Taige Kong: Wuhan University
Aiwen Lei: Wuhan University

Nature Communications, 2019, vol. 10, issue 1, 1-10

Abstract: Abstract The dehydrogenative aryl C-H/N-H cross-coupling is a powerful synthetic methodology to install nitrogen functionalities into aromatic compounds. Herein, we report an electrochemical oxidation induced intermolecular cross-coupling between aromatics and sulfonimides with high regioselectivity through N-radical addition pathway under external-oxidant-free and catalyst-free conditions. A wide variety of arenes, heteroarenes, alkenes and sulfonimides are applicable scaffolds in this transformation. In addition, aryl sulfonamides or amines (aniline derivatives) can be obtained through different deprotection process. The cyclic voltammetry mechanistic study indicates that the N-centered imidyl radicals are generated via proton-coupled electron transfer event jointly mediated by tetrabutylammonium acetate and anode oxidation process.

Date: 2019
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DOI: 10.1038/s41467-019-13524-4

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