Abstract

A Markovnikov-selective hydroacylation of alkenes has been achieved via the synergistic merger cobalt, photoredox and N-heterocyclic carbene catalysis. The closely incorporated catalytic cycles allow for Co(III) generation by photochemical oxidation instead of chemical oxidants or anodizing process. This mild, operationally simple protocol converts a wide variety of commercially available alkenes and aroyl fluorides into the corresponding ketones in high yield with branched selectivity.

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