Fig. 3: Substrate scopes of aryl bromides and allenes.

[a] Reaction conditions: 1 (0.1 mmol, 1.0 equiv), 4 (0.2 mmol, 2.0 equiv), [Pd(Cl(allyl)]2 (5 mol%), tBuXphos (30 mol%), NaOAc (3.0 equiv), DMF (1 mL), under N2, 100 °C, 4 h. Yields of isolated products.