Fig. 2: Substrate scope exploration.
From: Photocatalytic generation of amidine carbon radicals for aminodihydroquinoline synthesis

aReaction conditions: thiourea (0.1 mmol), 2 (0.2 mmol), [Ir(dF(CF3)ppy)2(dtbbpy)]PF6 (0.001 mmol), PPh3 (0.15 mmol), K2HPO4 (0.2 mmol), DCE (2.0 mL), rt (around 35 oC), 18 W x 2 Blue LED (455 nm), 24 h. b K3PO4 was used. cWith 30 mol % K2S2O8. dReaction was performed at 80 oC with 2.0 equiv. PPh3. EWG, electron-withdrawing group.