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Visible-light-mediated photocatalytic cross-coupling of acetenyl ketones with benzyl trifluoroborate

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Abstract

In this report, we describe a simple visible light-triggered Barbier-type reaction by employing acetenyl ketones with benzyl trifluoroborates. Through a radical–radical cross-coupling process, this photocatalytic protocol furnished a wide range of tertiary propargyl alcohols. Mechanistic investigation indicated that proton-coupled electron transfer (PCET) might be involved in the photochemical transformations.

Graphical abstract: Visible-light-mediated photocatalytic cross-coupling of acetenyl ketones with benzyl trifluoroborate

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Article information


Submitted
10 Dec 2019
Accepted
12 Jan 2020
First published
13 Jan 2020

Org. Biomol. Chem., 2020, Advance Article
Article type
Communication

Visible-light-mediated photocatalytic cross-coupling of acetenyl ketones with benzyl trifluoroborate

L. Zhang, Y. Chu, P. Ma, S. Zhao, Q. Li, B. Chen, X. Hong and J. Sun, Org. Biomol. Chem., 2020, Advance Article , DOI: 10.1039/C9OB02624J

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