1: trifluoroacetic acid; bis-[(trifluoroacetoxy)iodo]benzene / dichloromethane / 9 h / 0 °C 2: lithium aluminium tetrahydride / 1,4-dioxane / 16 h / Reflux 3: carbon tetrabromide; triethylamine; triphenylphosphine / dichloromethane / 16 h / 0 - 20 °C 4: hydrogenchloride; water / tetrahydrofuran / 4 h / 20 °C View Scheme