trichlorophosphate 24 h; Heating;

1: 41 percent / NH4OAc / acetic acid / Heating 2: 78 percent / ethyl acetate / UV-irradiation 3: 80 percent / conc. HBr / acetone / 3 h / 20 °C 4: 59 percent / PCl3 / CHCl3 / 12 h / Heating 5: 71 percent / POCl3 / 24 h / Heating View Scheme

1: 78 percent / ethyl acetate / UV-irradiation 2: 80 percent / conc. HBr / acetone / 3 h / 20 °C 3: 59 percent / PCl3 / CHCl3 / 12 h / Heating 4: 71 percent / POCl3 / 24 h / Heating View Scheme

1: 49 percent / SnCl2 / HCl / 3 h / Heating 2: 71 percent / POCl3 / 24 h / Heating View Scheme

1: 59 percent / PCl3 / CHCl3 / 12 h / Heating 2: 71 percent / POCl3 / 24 h / Heating View Scheme

1: 80 percent / conc. HBr / acetone / 3 h / 20 °C 2: 59 percent / PCl3 / CHCl3 / 12 h / Heating 3: 71 percent / POCl3 / 24 h / Heating View Scheme