Abstract
Versatile direct Hiyama-type C-H arylations of benzamides were accomplished with organosiloxanes by chelation-assisted cobalt catalysis. The C-H arylation featured broad substrate scope, including challenging C(sp3 )-H activation, the use of γ-valerolactone as biomass-derived solvent, and selectively provided the desired biaryls, even when being highly sterically hindered.
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