Fig. 3: Three-component reaction.

Conditions: 1 (0.3 mmol), 5 (2.0 equiv.), 2 (1.5 equiv.), Pd(OAc)₂ (10 mol%), PCy₃ (20 mol%), N2 (20 mol%), Cs₂CO₃ (2.0 equiv.), 3.0 mL PhCF₃, 36 W Blue LEDs, r.t., under N₂, 16 h; then TBAF (2.0 equiv.); ^aWithout TBAF; ^bdr = 5:1.