Figure 2.
Graphical chart of P/IS ratios of the cross-coupling reactions using different Ni sources and ligands. Reaction conditions: 0.01 mmol of hydrocinnamoyl chloride, 1.5 equiv of i-PrBF3K, 3 mol % Ir[dF(CF3)ppy]2(bpy)PF6, 6 mol % Ni source, 6 mol % ligand, 1.0 equiv of lutidine, rt, blue LEDs, 24 h in THF (0.1 M).