Visible-light-driven C(sp2)–H arylation of phenols with arylbromides enabled by electron donor–acceptor excitation

Da-Liang Zhu; Shan Jiang; David James Young; Qi Wu; Hai-Yan Li; Hong-Xi Li

doi:10.1039/D1CC07127K

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Visible-light-driven C(sp²)–H arylation of phenols with arylbromides enabled by electron donor–acceptor excitation†

Da-Liang Zhu,^ab Shan Jiang,^a David James Young,

^c Qi Wu,^a Hai-Yan Li^a and Hong-Xi Li

*^a

Author affiliations

* Corresponding authors

^a College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
E-mail: lihx@suda.edu.cn

^b School of Chemistry and Environmental Engineering, Analysis and Testing Centre, Yancheng Teachers University, Yancheng 224007, China

^c College of Engineering, IT and Environment, Charles Darwin University, Darwin, NT 0909, Australia

Abstract

We have developed a catalyst-free visible-light-driven C(sp²)–H arylation of unprotected phenols with arylbromides to give 2-arylated phenols. This reaction proceeds through the excitation of an electron donor–acceptor complex between a phenolate and an arylbromide, electron transfer, and debrominative C(sp²)–C(sp²) coupling.

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Article information

DOI: https://doi.org/10.1039/D1CC07127K
Article type: Communication
Submitted: 22 Dec 2021
Accepted: 21 Feb 2022
First published: 21 Feb 2022

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Chem. Commun., 2022,58, 3637-3640

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Visible-light-driven C(sp²)–H arylation of phenols with arylbromides enabled by electron donor–acceptor excitation

D. Zhu, S. Jiang, D. J. Young, Q. Wu, H. Li and H. Li, Chem. Commun., 2022, 58, 3637 DOI: 10.1039/D1CC07127K

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Chemical Communications