copper(l) iodide; 1,10-phenanthroline; caesium carbonate in 1,4-dioxane T=100°C; 28 h; Inert atmosphere;

copper(l) iodide; 1,10-phenanthroline; caesium carbonate in 1,4-dioxane T=100°C; 36 h; Inert atmosphere;

1: potassium carbonate / N,N-dimethyl-formamide / 6 h / 90 °C / Inert atmosphere 2: thionyl chloride / chloroform / 70 °C / Inert atmosphere 3: copper(l) iodide; 1,10-phenanthroline; caesium carbonate / 1,4-dioxane / 28 h / 100 °C / Inert atmosphere View Scheme