Scheme 5. Extension to other C–C bond forming reactions. Reaction conditions: 5 mol% 4c, K₂CO₃ (1.1 equiv.), 0.05 M DCE, blue LEDs, rt, 1 h. ^aReaction run of reagent 16 (2 equiv.) for 14 h. NMR yield is given (isolated yield: 31%) ^breaction run of reagent 18 (2 equiv.) for 24 h.