ammonia in ethanol T=150°C; 6 h;

ammonia in ethanol T=150°C; 6 h;

1: 100 percent / pyridine / 2 h / Ambient temperature 2: 86 percent / N,N-diethylaniline, n-Bu4NCl, POCl3 / acetonitrile / 1 h / 90 °C 3: 31 percent / liq. NH3 / ethanol / 6 h / 150 °C View Scheme

1: 86 percent / N,N-diethylaniline, n-Bu4NCl, POCl3 / acetonitrile / 1 h / 90 °C 2: 31 percent / liq. NH3 / ethanol / 6 h / 150 °C View Scheme

ammonia T=150°C; 4 h; steel bomb;

1: 48 percent / stannic chloride / 1,2-dichloro-ethane / 3 h / Ambient temperature 2: 1.) BCl3; 2.) CH3OH / 1.) CH2Cl2, -78 deg C, 2 h; 2.) -78 deg C, 2 h, room temp. 30 min. 3: 60 percent / phosphorus pentasulfide / pyridine; H2O / 12 h / Heating 4: 1.) 1N NaOH; 2.) 1N NaOH / 1.) aq. ethanol, room temp., 2 h; 2.) room temp., 1 h. 5: 30 percent / NH3 (l) / 4 h / 150 °C / steel bomb View Scheme

1: amonium sulfate / Heating 2: 48 percent / stannic chloride / 1,2-dichloro-ethane / 3 h / Ambient temperature 3: 1.) BCl3; 2.) CH3OH / 1.) CH2Cl2, -78 deg C, 2 h; 2.) -78 deg C, 2 h, room temp. 30 min. 4: 60 percent / phosphorus pentasulfide / pyridine; H2O / 12 h / Heating 5: 1.) 1N NaOH; 2.) 1N NaOH / 1.) aq. ethanol, room temp., 2 h; 2.) room temp., 1 h. 6: 30 percent / NH3 (l) / 4 h / 150 °C / steel bomb View Scheme

1: 1.) BCl3; 2.) CH3OH / 1.) CH2Cl2, -78 deg C, 2 h; 2.) -78 deg C, 2 h, room temp. 30 min. 2: 60 percent / phosphorus pentasulfide / pyridine; H2O / 12 h / Heating 3: 1.) 1N NaOH; 2.) 1N NaOH / 1.) aq. ethanol, room temp., 2 h; 2.) room temp., 1 h. 4: 30 percent / NH3 (l) / 4 h / 150 °C / steel bomb View Scheme

1: 48 percent / stannic chloride / 1,2-dichloro-ethane / 3 h / Ambient temperature 2: 1.) BCl3; 2.) CH3OH / 1.) CH2Cl2, -78 deg C, 2 h; 2.) -78 deg C, 2 h, room temp. 30 min. 3: 60 percent / phosphorus pentasulfide / pyridine; H2O / 12 h / Heating 4: 1.) 1N NaOH; 2.) 1N NaOH / 1.) aq. ethanol, room temp., 2 h; 2.) room temp., 1 h. 5: 30 percent / NH3 (l) / 4 h / 150 °C / steel bomb View Scheme

1: 60 percent / phosphorus pentasulfide / pyridine; H2O / 12 h / Heating 2: 1.) 1N NaOH; 2.) 1N NaOH / 1.) aq. ethanol, room temp., 2 h; 2.) room temp., 1 h. 3: 30 percent / NH3 (l) / 4 h / 150 °C / steel bomb View Scheme