Cerium photocatalyzed radical smiles rearrangement of 2-aryloxybenzoic acids?

RSC Advances Pub Date: 2021-07-21 DOI: 10.1039/D1RA04130D

Abstract

We report herein a cerium photocatalyzed aryl migration from an aryl ether to a carboxylic acid group through radical-Smiles rearrangement. This operationally simple protocol utilizes inexpensive CeCl3 as a photocatalyst and converted a variety of 2-aryloxybenzoic acids into aryl-2-hydroxybenzoates in good yields.

Graphical abstract: Cerium photocatalyzed radical smiles rearrangement of 2-aryloxybenzoic acids
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