TBADT/nickel co-catalyzed arylation of hydrosilanes with aryl halides

Abstract

Here we report a nickel/photo co-catalyzed direct radical Si-H arylation of hydrosilanes with aryl halides.Tetrabutylammonium decatungstate (TBADT) serves as a robust hydrogen-atom-transfer (HAT) photocatalyst, working synergistically with a nickel catalyst to mediate the cross-coupling between in situ generated silyl radicals and aryl-nickel intermediates. This protocol features a broad substrate scope, mild photochemical conditions, and excellent functional group tolerance, offering a versatile and sustainable approach for accessing synthetically valuable arylsilanes directly from simple hydrosilanes.