1.1: silver orthophosphate; (NH4)2S2O8 / water; acetonitrile / 85 °C / |Inert atmosphere 2.1: palladium diacetate; triphenylphosphine; potassium carbonate / toluene / 12 h / 110 °C / |Inert atmosphere 2.2: 0.5 h / 95 °C 3.1: ammonium acetate / toluene / 10 h / 120 °C / |Sealed tube; |Darkness View Scheme