1: 1H-imidazole; triphenylphosphine; iodine / tetrahydrofuran / 2 h / 20 °C / |Inert atmosphere 2: cerium(III) chloride heptahydrate; sodium iodide / acetonitrile / 20 °C / |Inert atmosphere 3: neat (no solvent) / 2 h / 80 °C / |Inert atmosphere 4: tris-(dibenzylideneacetone)dipalladium(0); diethylamine; 1,2-bis-(diphenylphosphino)ethane / tetrahydrofuran / 20 °C / |Inert atmosphere 5: potassium phosphate / chlorobenzene / 15 h / 90 °C / |Inert atmosphere View Scheme

1: 1H-imidazole; triphenylphosphine; iodine / tetrahydrofuran / 2 h / 20 °C / |Inert atmosphere 2: cerium(III) chloride heptahydrate; sodium iodide / acetonitrile / 20 °C / |Inert atmosphere 3: neat (no solvent) / 2 h / 80 °C / |Inert atmosphere 4: tris-(dibenzylideneacetone)dipalladium(0); diethylamine; 1,2-bis-(diphenylphosphino)ethane / tetrahydrofuran / 20 °C / |Inert atmosphere 5: potassium phosphate / chlorobenzene / 15 h / 90 °C / |Inert atmosphere 6: |Inert atmosphere View Scheme