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Cerium photocatalyzed dehydrogenative lactonization of 2-arylbenzoic acids

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Abstract

The first cerium photocatalyzed dehydrogenative lactonization of 2-arylbenzoic acids has been developed. This operationally simple protocol allows rapid access to synthetically useful coumarins on gram scale by employing CeCl3 as a photocatalyst and O2 as a terminal oxidant. Overall, this delivers an economical and environmentally amiable entry to diversely substituted coumarins, important structural motifs in bioactive molecules.

Graphical abstract: Cerium photocatalyzed dehydrogenative lactonization of 2-arylbenzoic acids

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Article information


Submitted
17 Dec 2019
Accepted
02 Jan 2020
First published
07 Jan 2020

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

Cerium photocatalyzed dehydrogenative lactonization of 2-arylbenzoic acids

K. Wadekar, S. Aswale and V. R. Yatham, Org. Biomol. Chem., 2020, Advance Article , DOI: 10.1039/C9OB02676B

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