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 CeCl as a photocatalyst and converted a variety of 2-aryloxybenzoic acids into aryl-2-hydroxybenzoates in good yields.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9037003 | PMC |
| http://dx.doi.org/10.1039/d1ra04130d | DOI Listing |
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