silver hexafluoroantimonate; NaAuCl4*2H2O; ammonium acetate in acetonitrile T=85°C; 20 h;

1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / N,N-dimethyl-formamide / 3 h / 120 °C / |Microwave irradiation; |Inert atmosphere 2: cesium fluoride; methanol / 20 °C 3: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / N,N-dimethyl-formamide / 6 h / 80 °C / |Inert atmosphere 4: ammonium acetate; NaAuCl4*2H2O; silver hexafluoroantimonate / acetonitrile / 20 h / 85 °C View Scheme

1: cesium fluoride; methanol / 20 °C 2: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / N,N-dimethyl-formamide / 6 h / 80 °C / |Inert atmosphere 3: ammonium acetate; NaAuCl4*2H2O; silver hexafluoroantimonate / acetonitrile / 20 h / 85 °C View Scheme

1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / N,N-dimethyl-formamide / 6 h / 80 °C / |Inert atmosphere 2: ammonium acetate; NaAuCl4*2H2O; silver hexafluoroantimonate / acetonitrile / 20 h / 85 °C View Scheme