1: 75.5 percent / NaOH, H2 / Raney Ni / ethanol / 114000 Torr 2: 1.) 25percent aq, H2SO4, aq. NaNO2, 2.) 20percent aq. H2SO4 / 1.) 0 deg C, 1 h, 2.) reflux, 2 h 3: 98 percent / NaH / dimethylsulfoxide / 10 h 4: 72 percent / phosphorus oxychloride / 24 h / 70 °C View Scheme

1: 75.5 percent / NaOH, H2 / Raney Ni / ethanol / 114000 Torr 2: 1.) 25percent aq, H2SO4, aq. NaNO2, 2.) 20percent aq. H2SO4 / 1.) 0 deg C, 1 h, 2.) reflux, 2 h View Scheme

1: 75.5 percent / NaOH, H2 / Raney Ni / ethanol / 114000 Torr 2: 1.) 25percent aq, H2SO4, aq. NaNO2, 2.) 20percent aq. H2SO4 / 1.) 0 deg C, 1 h, 2.) reflux, 2 h 3: 98 percent / NaH / dimethylsulfoxide / 10 h View Scheme

1: 75.5 percent / NaOH, H2 / Raney Ni / ethanol / 114000 Torr 2: 1.) 25percent aq, H2SO4, aq. NaNO2, 2.) 20percent aq. H2SO4 / 1.) 0 deg C, 1 h, 2.) reflux, 2 h 3: 98 percent / NaH / dimethylsulfoxide / 10 h 4: 72 percent / phosphorus oxychloride / 24 h / 70 °C 5: 87 percent / 10percent aq. NaOH / 6 h / Ambient temperature 6: diethyl ether / 1.) 20 deg C, 2 h, 2.) reflux, 1 h 7: 1.) phosphorus oxychloride / 2.) a) 0 deg C, 0.5 h, b) 70 deg C, 2 h View Scheme

sodium hydroxide; hydrogen; nickel in ethanol P=114000 Torr;

1: 75.5 percent / NaOH, H2 / Raney Ni / ethanol / 114000 Torr 2: 1.) 25percent aq, H2SO4, aq. NaNO2, 2.) 20percent aq. H2SO4 / 1.) 0 deg C, 1 h, 2.) reflux, 2 h 3: 98 percent / NaH / dimethylsulfoxide / 10 h 4: 72 percent / phosphorus oxychloride / 24 h / 70 °C 5: 87 percent / 10percent aq. NaOH / 6 h / Ambient temperature View Scheme