bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine T=20 - 50°C; Sonogashira Cross-Coupling; Inert atmosphereSchlenk technique;

Cu(CH3CN)4 ClO4; 2,5-bis(2-(diphenylphosphino)5-methoxyphenyl)-1,3,4-oxadiazole; potassium carbonate in 1,4-dioxane Sonogashira Cross-Coupling; RefluxInert atmosphereSchlenk technique; Catalytic behavior; Reagent/catalyst;

1: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 20 °C / |Inert atmosphere 2: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 °C / |Inert atmosphere 3: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 20 °C / |Inert atmosphere View Scheme

1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 °C / |Inert atmosphere 2: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 20 °C / |Inert atmosphere View Scheme