1: 88.9 percent / conc. sulfuric acid / H2O; methanol / 2 h 2: 90 percent / p-toluenesulfonyl azide, 1,5-diazabicyclo<5.4.0>undec-5-ene / ethyl acetate / 1 h / Ambient temperature 3: 82.3 percent / hydrogen / platinum oxide / acetic acid; 2-methoxy-ethanol / 4 h / 1810.02 Torr / Ambient temperature 4: 54.3 percent / conc. ammonium hydroxide / 8 h / Ambient temperature 5: 78.3 percent / phosphoryl chloride / 1.5 h / Heating 6: 81.4 percent / liquid ammonia / 10 h / 100 - 110 °C / in a steel bomb 7: 59.5 percent / 10percent sodium carbonate / H2O / 1 h / Heating View Scheme

1: 90 percent / p-toluenesulfonyl azide, 1,5-diazabicyclo<5.4.0>undec-5-ene / ethyl acetate / 1 h / Ambient temperature 2: 82.3 percent / hydrogen / platinum oxide / acetic acid; 2-methoxy-ethanol / 4 h / 1810.02 Torr / Ambient temperature 3: 54.3 percent / conc. ammonium hydroxide / 8 h / Ambient temperature 4: 78.3 percent / phosphoryl chloride / 1.5 h / Heating 5: 81.4 percent / liquid ammonia / 10 h / 100 - 110 °C / in a steel bomb 6: 59.5 percent / 10percent sodium carbonate / H2O / 1 h / Heating View Scheme

1: 82.3 percent / hydrogen / platinum oxide / acetic acid; 2-methoxy-ethanol / 4 h / 1810.02 Torr / Ambient temperature 2: 54.3 percent / conc. ammonium hydroxide / 8 h / Ambient temperature 3: 78.3 percent / phosphoryl chloride / 1.5 h / Heating 4: 81.4 percent / liquid ammonia / 10 h / 100 - 110 °C / in a steel bomb 5: 59.5 percent / 10percent sodium carbonate / H2O / 1 h / Heating View Scheme

ammonia T=100 - 110°C; 192 h; in a steel bomb;

sodium carbonate in water 1 h; Heating;

1: 54.3 percent / conc. ammonium hydroxide / 8 h / Ambient temperature 2: 78.3 percent / phosphoryl chloride / 1.5 h / Heating 3: 81.4 percent / liquid ammonia / 10 h / 100 - 110 °C / in a steel bomb 4: 59.5 percent / 10percent sodium carbonate / H2O / 1 h / Heating View Scheme

1: 78.3 percent / phosphoryl chloride / 1.5 h / Heating 2: 81.4 percent / liquid ammonia / 10 h / 100 - 110 °C / in a steel bomb 3: 59.5 percent / 10percent sodium carbonate / H2O / 1 h / Heating View Scheme

1: 81.4 percent / liquid ammonia / 10 h / 100 - 110 °C / in a steel bomb 2: 59.5 percent / 10percent sodium carbonate / H2O / 1 h / Heating View Scheme