Dual Photoredox and Gold Catalysis: Intermolecular Multicomponent Oxyarylation of Alkenes

Intermolecular three-component oxyarylation reactions of simple alkenes have been developed using a dual gold and photoredox catalytic system. Inexpensive organic dyes could be employed as the photocatalyst using aryldiazonium salts, while the combination of gold and iridium catalysts allowed for diaryliodonium compounds to be employed as the source of the arene coupling partner. In both cases, α-arylated ether products were generated under remarkably mild conditions using readily accessible visible light sources.

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