Fig. 2: C-N cross-coupling reactions of substrate scope.

a C-N cross-coupling reaction conditions, unless otherwise noted: aryl bromide (0.2 mmol), amine (0.4 mmol), CN-OA-m (10 mg mL−1), NiBr2·glyme (10.0 mol%), DMAc (1 mL), mDBU (1.5 equiv.), red light, 85 °C, Ar, 24 h. b 48 h. c with d-Mebpy as a ligand. Isolated yields are provided. For details, see Supplementary Information.