hydrogenchloride; trichlorophosphate T=110°C; 3 h;

1: 90 percent / stannous chloride, 5percent aq. hydrochloric acid / 3 h / Heating 2: 1.) sodium nitrite, 2.5percent aq. hydrochloric acid, 2.) sodium azide / 1.) 4 deg C, 1 h, 2.) 1 h 3: 50 percent / phosphorus oxychloride, conc. hydrochloric acid / 3 h / 110 °C View Scheme

1: 75 percent 2: 80 percent 3: 95 percent / 10percent aq. hydrochloric acid 4: 90 percent / stannous chloride, 5percent aq. hydrochloric acid / 3 h / Heating 5: 1.) sodium nitrite, 2.5percent aq. hydrochloric acid, 2.) sodium azide / 1.) 4 deg C, 1 h, 2.) 1 h 6: 50 percent / phosphorus oxychloride, conc. hydrochloric acid / 3 h / 110 °C View Scheme

1: 80 percent 2: 95 percent / 10percent aq. hydrochloric acid 3: 90 percent / stannous chloride, 5percent aq. hydrochloric acid / 3 h / Heating 4: 1.) sodium nitrite, 2.5percent aq. hydrochloric acid, 2.) sodium azide / 1.) 4 deg C, 1 h, 2.) 1 h 5: 50 percent / phosphorus oxychloride, conc. hydrochloric acid / 3 h / 110 °C View Scheme

1: 95 percent / 10percent aq. hydrochloric acid 2: 90 percent / stannous chloride, 5percent aq. hydrochloric acid / 3 h / Heating 3: 1.) sodium nitrite, 2.5percent aq. hydrochloric acid, 2.) sodium azide / 1.) 4 deg C, 1 h, 2.) 1 h 4: 50 percent / phosphorus oxychloride, conc. hydrochloric acid / 3 h / 110 °C View Scheme

1: 75 percent 2: 80 percent 3: 95 percent / 10percent aq. hydrochloric acid 4: 90 percent / stannous chloride, 5percent aq. hydrochloric acid / 3 h / Heating 5: 1.) sodium nitrite, 2.5percent aq. hydrochloric acid, 2.) sodium azide / 1.) 4 deg C, 1 h, 2.) 1 h 6: 50 percent / phosphorus oxychloride, conc. hydrochloric acid / 3 h / 110 °C View Scheme

1: 1.) sodium nitrite, 2.5percent aq. hydrochloric acid, 2.) sodium azide / 1.) 4 deg C, 1 h, 2.) 1 h 2: 50 percent / phosphorus oxychloride, conc. hydrochloric acid / 3 h / 110 °C View Scheme