Fig. 4.

Scope of the substrates. a Scope of heteroarenes. b Scope of amide derivatives. c Scope of amine derivatives. Reaction conditions: 1 (0.2 mmol, 1.0 equiv), 2 (0.5 mmol), K₂CO₃ (0.2 mmol), and 3CzClIPN (2 mol%) in DMSO (1.0 mL), rt, 90 W blue LEDs. Yields are based on the isolated products. ^aWithout 3CzClIPN. ^b5 mmol scale of 1a. ^c0.1 mmol scale of 1a, 1 h, and 1 s, respectively