trichlorophosphate in various solvent(s) 12 h; Heating;

1: 59 percent / polyphosphoric acid / 0.42 h / 80 - 85 °C 2: 83 percent / sodium tetrahydroborate / CHCl3; ethanol / 1.5 h / 35 - 40 °C 3: 36 percent / phosphorus oxychloride / various solvent(s) / 12 h / Heating View Scheme

1: 59 percent / polyphosphoric acid / 0.42 h / 80 - 85 °C 2: 83 percent / sodium tetrahydroborate / CHCl3; ethanol / 1.5 h / 35 - 40 °C 3: 36 percent / phosphorus oxychloride / various solvent(s) / 12 h / Heating View Scheme

1: 83 percent / sodium tetrahydroborate / CHCl3; ethanol / 1.5 h / 35 - 40 °C 2: 36 percent / phosphorus oxychloride / various solvent(s) / 12 h / Heating View Scheme