sodium hydride in tetrahydrofuran 3 h; Heating; Yield given;

Multi-step reaction with 3 steps 1: triphenylphosphine / diethyl ether / 24 h / 20 °C2: 83 percent / H2 / 5percent Pd/C / ethanol / 760 Torr / Ambient temperature3: 1.) aq. NaOCl / 1.) AcOH, CCl4, 0 deg C, 3h, 2.) 30-35 deg C, 3h  

With  sodium hypochlorite  1.) AcOH, CCl4, 0 deg C, 3h, 2.) 30-35 deg C, 3h;  Multistep reaction;