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Reported herein is the first visible-light-induced formation of alkoxyl radicals from N-alkoxyphthalimides, and the Hantzsch ester as the reductant is crucial for the reaction. The selective hydrogen atom abstraction by the alkoxyl radical enables C(sp3)−H allylation and alkenylation reactions under mild reaction conditions at room temperature. Broad substrate variations, including a structurally complexed steroid, undergo the C(sp3)−H functionalization reaction effectively with high regio- and chemoselectivity. [ABSTRACT FROM AUTHOR]

The visible-light-induced alcohol oxidation generates alkoxyl radicals through cyclic iodine(III) reagent catalysis. [ABSTRACT FROM AUTHOR]

Chemical equation related to "Generation of Alkoxyl Radicals by Photoredox Catalysis Enables Selective C(sp3)-H Functionalization under Mild Reaction Conditions" by J. Zhang and colleagues published in "Angewandte Chemie" is presented.