Regioselective phosphinylation of coumarins under green LED irradiation and its mechanism

Qingrui Li; Xiuli Zhao; Yabo Li; Mengmeng Huang; Jung Keun Kim; Yangjie Wu

doi:10.1039/C7OB02478A

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Regioselective phosphinylation of coumarins under green LED irradiation and its mechanism†

Qingrui Li,^a Xiuli Zhao,^a Yabo Li,^a Mengmeng Huang,*^a Jung Keun Kim

^a and Yangjie Wu

*^a

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* Corresponding authors

^a College of Chemistry and Molecular Engineering, Henan Key Laboratory of Chemical Biology and Organic Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Zhengzhou University, Zhengzhou, P.R. China
E-mail: wyj@zzu.edu.cn, hmm@zzu.edu.cn

Abstract

The regioselective synthesis of 3-phosphinylated coumarins in moderate to excellent yields was developed via an EY/BPO-mediated cross-dehydrogenative coupling (CDC) reaction under green LED irradiation. The results of control experiments showed that the active intermediate, a P-centered radical, might be obtained through energy transfer and electron transfer processes.

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DOI: https://doi.org/10.1039/C7OB02478A
Article type: Communication
Submitted: 06 Oct 2017
Accepted: 31 Oct 2017
First published: 31 Oct 2017

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Org. Biomol. Chem., 2017,15, 9775-9778

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Regioselective phosphinylation of coumarins under green LED irradiation and its mechanism

Q. Li, X. Zhao, Y. Li, M. Huang, J. K. Kim and Y. Wu, Org. Biomol. Chem., 2017, 15, 9775 DOI: 10.1039/C7OB02478A

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Organic & Biomolecular Chemistry

Regioselective phosphinylation of coumarins under green LED irradiation and its mechanism†

Abstract

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Regioselective phosphinylation of coumarins under green LED irradiation and its mechanism

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