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Free keywords:
biaryls; carbene ligands; C-C coupling; cross-coupling; palladium
Abstract:
A juggling act: The steric bulk of the ligand enhances reductive elimination in the Pd‐catalyzed Suzuki cross‐coupling. However, it impedes the oxidative addition and transmetallation of sterically hindered substrates. This dilemma is solved with the carbene ligand 1, which exhibits flexible steric bulk.