sodium hydride; sodium iodide 1.) liq. paraffin, 1,2-dimethoxyethane, 4 deg C, 30 min, 2.) liq. paraffin, 1,2-dimethoxyethane, RT, 6 h; Yield given. Multistep reaction;

sulfuryl dichloride in dichloromethane 0.5 h; Ambient temperature;