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Acyl Radicals from Aromatic Carboxylic Acids by Means of Visible-Light Photoredox Catalysis.

Journal article
Authors Giulia Bergonzini
Carlo Cassani
Carl Johan Wallentin
Published in Angewandte Chemie (International ed. in English)
Volume 54
Issue 47
Pages 14066–14069
ISSN 1521-3773
Publication year 2015
Published at Department of Chemistry and Molecular Biology
Pages 14066–14069
Language en
Links dx.doi.org/10.1002/anie.201506432
Keywords acyl radicals; acylarylation; carboxylic acids; oxindoles; photoredox catalysis
Subject categories Chemical Sciences

Abstract

Simple and abundant carboxylic acids have been used as acyl radical precursor by means of visible-light photoredox catalysis. By the transient generation of a reactive anhydride intermediate, this redox-neutral approach offers a mild and rapid entry to high-value heterocyclic compounds without the need of UV irradiation, high temperature, high CO pressure, tin reagents, or peroxides.

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