phosphorus trichoride in chloroform 1 h; Ambient temperature;

1: NaNO2, 12percent HCl 2: 15 percent NaOH, Cu / 1 h / 80 °C 3: 80 percent / 30 percent H2O2 / acetic anhydride / 48 h / Ambient temperature 4: 81 percent / NH3 (liquid) / methanol / 10 h / 130 °C 5: 76 percent / PCl3 / CHCl3 / 1 h / Ambient temperature View Scheme

1: 82 percent / pyridine / 0 - 5 °C 2: 96 percent / 30 percent H2O2 / acetic anhydride / 50 h / Ambient temperature 3: 77 percent / HNO3 (d=1.49) / 0.58 h / -3 - 0 °C 4: 91 percent / 90 percent H2SO4 / 2 h / Ambient temperature 5: 76 percent / PCl3 / CHCl3 / 1 h / Ambient temperature View Scheme

1: 15 percent NaOH, Cu / 1 h / 80 °C 2: 80 percent / 30 percent H2O2 / acetic anhydride / 48 h / Ambient temperature 3: 81 percent / NH3 (liquid) / methanol / 10 h / 130 °C 4: 76 percent / PCl3 / CHCl3 / 1 h / Ambient temperature View Scheme

1: 80 percent / 30 percent H2O2 / acetic anhydride / 48 h / Ambient temperature 2: 81 percent / NH3 (liquid) / methanol / 10 h / 130 °C 3: 76 percent / PCl3 / CHCl3 / 1 h / Ambient temperature View Scheme

1: 81 percent / NH3 (liquid) / methanol / 10 h / 130 °C 2: 76 percent / PCl3 / CHCl3 / 1 h / Ambient temperature View Scheme

1: 96 percent / 30 percent H2O2 / acetic anhydride / 50 h / Ambient temperature 2: 77 percent / HNO3 (d=1.49) / 0.58 h / -3 - 0 °C 3: 91 percent / 90 percent H2SO4 / 2 h / Ambient temperature 4: 76 percent / PCl3 / CHCl3 / 1 h / Ambient temperature View Scheme

1: 77 percent / HNO3 (d=1.49) / 0.58 h / -3 - 0 °C 2: 91 percent / 90 percent H2SO4 / 2 h / Ambient temperature 3: 76 percent / PCl3 / CHCl3 / 1 h / Ambient temperature View Scheme

1: 91 percent / 90 percent H2SO4 / 2 h / Ambient temperature 2: 76 percent / PCl3 / CHCl3 / 1 h / Ambient temperature View Scheme