Fig. 4: Scope of aryls in this C–H arylation protocol.

Reaction conditions: urea (0.2 mmol), 4-DPAIPN (2 mol%), ⁱPr₃SiSH (30 mol%) and Na₂CO₃ (2.5 equiv.) in CH₃CN (0.1 M) at room temperature for 24 h under 450 nm blue LED light irradiation. Isolated yields.