With  potassium hydride; sodium hydride in  dimethyl sulfoxide T=20 - 30°C; 24 h;   

Multi-step reaction with 2 steps 1: 1.) sodium hydride / 1.) DMF, RT, 2.) DMF, 70 deg C, 20 h2: 6 percent Chromat. / sodium hydride, potassium hydride / dimethylsulfoxide / Ambient temperature  

Multi-step reaction with 2 steps 1: sodium hydride, potassium hydride / dimethylsulfoxide / Ambient temperature2: pyridinium p-toluenesulfonate, water / acetone / 10 h / Heating  

With  potassium hydride; sodium hydride in  dimethyl sulfoxide T=20 - 30°C; 24 h;