potassium acetate; triethylamine; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; palladium diacetate in 1,4-dioxane T=110°C;

1: 4-(N,N-dimethlyamino)pyridine; triethylamine / acetonitrile / 18 h / 0 - 20 °C 2: triethylamine; potassium acetate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; palladium diacetate / 1,4-dioxane / 110 °C View Scheme

1: triethylamine; 4-(N,N-dimethlyamino)pyridine / acetonitrile / 18.25 h / 5 - 20 °C 2: triethylamine; potassium acetate; palladium diacetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct / 1,4-dioxane / 110 °C View Scheme

1: triethylamine; 4-(N,N-dimethlyamino)pyridine / acetonitrile / 18.25 h / 5 - 20 °C 2: triethylamine; potassium acetate; palladium diacetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct / 1,4-dioxane / 110 °C View Scheme