A practical approach to radical C–H bond functionalization by the photolysis of a hypervalent iodine(III) reagent is presented. The photolysis of [bis(trifluoroacetoxy)iodo]benzene (PIFA) leads to the generation of trifluoroacetoxy radicals, which allows the smooth transformation of various alkylbenzenes to the corresponding benzyl ester compounds under mild reaction conditions.
R. Sakamoto, T. Inada, S. Selvakumar, S. A. Moteki and K. Maruoka, Chem. Commun., 2016, 52, 3758 DOI: 10.1039/C5CC07647A
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