Fig. 1: Redox NHC and cooperative NHC/TM catalysis.
From: Photoredox cooperative N-heterocyclic carbene/palladium-catalysed alkylacylation of alkenes

a Redox NHC-catalyzed radical reactions. b The merging of photoredox and NHC catalysis. c The combination of NHC with TM catalysis. d Our strategy: photoredox cooperative NHC/palladium-catalyzed alkylacylation of alkenes. TM transition metal, LG leaving group, X halide, SET single-electron transfer.