Scheme 3.
Optimization of the Suzuki cross-coupling reaction using 2 (1 eq), bis(pinacolato) diboron (2 eq), PdCl2(dppf) (5 mol %), KOAC (3 eq), and DMSO or 1,4-dioxane as solvents (0.2 M).
Optimization of the Suzuki cross-coupling reaction using 2 (1 eq), bis(pinacolato) diboron (2 eq), PdCl2(dppf) (5 mol %), KOAC (3 eq), and DMSO or 1,4-dioxane as solvents (0.2 M).