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Updated: Jul 17, 2025
![[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F59739.jpg&w=3840&q=50)
[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst
Published on: May 21, 2019
Electron Donor-Acceptor (EDA) Complex between a Triarylamine and B(C6F5)3 for the Photocatalytic Dehydrogenative
Natsuki Kato1, Takeshi Nanjo1, Yoshiji Takemoto1
1Graduate School of Pharmaceutical Sciences, Kyoto University.
Abstract:
In this article, an electron donor-acceptor (EDA) complex between a triarylamine and B(C6F5)3 that catalyzes the dehydrogenative cross-coupling of phenols is described. We demonstrate, for the first time, that the use of both components of the radical ion pairs generated by the photoexcitation of the EDA complex as co-catalysts, and the triarylaminium radical cation (+·NAr3) successfully promotes dehydrogenative cross-coupling between electron-rich phenols and 2-naphthols to provide electron-rich biphenol motifs using molecular oxygen as a terminal oxidant.
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