sodium ethanolate in toluene 24 h; Heating;

1: 95 percent / phosphoryl chloride / 4 h / 150 °C 2: 78 percent / hydrogen, conc. H2SO4 / 10percent Pd/C / ethanol / 20 °C / 1500.1 Torr 3: 77 percent / KOH / dimethylsulfoxide / 15 h / 60 °C View Scheme

trichlorophosphate T=150°C; 4 h;

1: 95 percent / phosphoryl chloride / 4 h / 150 °C 2: 78 percent / hydrogen, conc. H2SO4 / 10percent Pd/C / ethanol / 20 °C / 1500.1 Torr View Scheme

1: 95 percent / phosphoryl chloride / 4 h / 150 °C 2: 83 percent / hydrogen, conc. NH3 / 10percent Pd/C / ethanol / 3 h / 2250.2 Torr / further reagent zinc powder, H2SO4 View Scheme

1: 95 percent / phosphoryl chloride / 4 h / 150 °C 2: 78 percent / hydrogen, conc. H2SO4 / 10percent Pd/C / ethanol / 20 °C / 1500.1 Torr 3: 83 percent / H2O2 / acetic acid / 1.) 60 deg C, 4 h, 2.) 90 deg C, 2 h View Scheme

1: 66 percent / phosphorus pentachloride / 1 h / 100 °C 2: 73 percent / palladium dichloride, potassium acetate, hydrogen / propan-2-ol / 5 h / 3000.2 Torr View Scheme

1: 95 percent / phosphoryl chloride / 4 h / 150 °C 2: 78 percent / hydrogen, conc. H2SO4 / 10percent Pd/C / ethanol / 20 °C / 1500.1 Torr 3: 77 percent / KOH / dimethylsulfoxide / 15 h / 60 °C 4: 95 percent / H2O2 / acetic acid / 30 deg C, 1 h -> 70 deg C, 5 h -> 90 deg C View Scheme