in water 3 h; Ambient temperature;

1: 91 percent / CHCl3 / 22 h / Ambient temperature 2: 98.5 percent / conc. NH3 / 1.5 h / Ambient temperature 3: 50.9 percent / pyrophosphoryl chloride / 3 h / 40 °C 4: 61.4 percent / H2O / 3 h / Ambient temperature View Scheme

1: 50.9 percent / pyrophosphoryl chloride / 3 h / 40 °C 2: 61.4 percent / H2O / 3 h / Ambient temperature View Scheme

1: 98.5 percent / conc. NH3 / 1.5 h / Ambient temperature 2: 50.9 percent / pyrophosphoryl chloride / 3 h / 40 °C 3: 61.4 percent / H2O / 3 h / Ambient temperature View Scheme