4.5 Article

Anthrazoline Photocatalyst for Promoting Esterification and Etherification Reactions via Photoredox/Nickel Dual Catalysis

Journal

CHINESE JOURNAL OF CHEMISTRY
Volume 41, Issue 4, Pages 411-416

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.202200663

Keywords

Anthrazoline; Photocatalysis; Photoredox; Cross-coupling; C-O bond formation

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In this study, we present a readily prepared anthrazoline photocatalyst that can efficiently promote C-O bond formation reactions with the assistance of a Ni(II) complex. This method enables esterification (36 examples) and etherification (8 examples) with a wide scope, allowing coupling of aryl and alkyl halides with various carboxylic acids/alcohols. Our metal-free photocatalysts have significant potential applications, serving as an alternative to some iridium and ruthenium based photocatalysts, and are of potential importance to the pharmaceutical industry.
Here, we demonstrate a readily prepared anthrazoline photocatalyst, which can effectively promote C-O bond formation reactions with the aid of Ni(II) complex. This methodology enables the esterification (36 examples) and etherification (8 examples) with a broad range of scope, allowing aryl and alkyl halides coupled with diverse carboxylic acids/alcohols. Our metal-free photocatalysts have a potential broad application, may serve as an alternative to some iridium and ruthenium based photocatalysts, and are of potential importance to the pharmaceutical industry.

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