1: 53 percent / 20percent aq. HCl / ethanol / 1 h / Heating 2: 1.) NaH / 1.) DME, RT, 30 min, 2.) DME, reflux, 1 h 3: 72 percent / H2, glacial AcOH / PtO2 / 7 h / 2430.6 Torr 4: 98 percent / toluene / 7 h / Heating View Scheme

1: 1.) NaH / 1.) DME, 2.) DME, RT, overnight 2: 72 percent / H2, glacial AcOH / PtO2 / 7 h / 2430.6 Torr 3: 98 percent / toluene / 7 h / Heating View Scheme

1: 1.) NaH / 1.) DME, RT, 30 min, 2.) DME, reflux, 1 h 2: 72 percent / H2, glacial AcOH / PtO2 / 7 h / 2430.6 Torr 3: 98 percent / toluene / 7 h / Heating View Scheme

1: 72 percent / H2, glacial AcOH / PtO2 / 7 h / 2430.6 Torr 2: 98 percent / toluene / 7 h / Heating View Scheme

1: 1.) NaH / 1.) DME, 2.) DME, RT, 2 h 2: 1.) NaH / 1.) DME, 2.) DME, RT, overnight 3: 72 percent / H2, glacial AcOH / PtO2 / 7 h / 2430.6 Torr 4: 98 percent / toluene / 7 h / Heating View Scheme

in toluene 7 h; Heating;