trichlorophosphate 1 h; Heating;

1: 89.7 percent / K2CO3 / dimethylformamide / 3 h / 100 °C 2: 82 percent / 20percent NaOH / 43 h / Heating 3: 91.4 percent / POCl3 / 0.25 h / Heating View Scheme

1: 98.1 percent / ethanol / 3 h / Heating 2: 89.5 percent / concd HNO3, concd H2SO4 / 1.5 h / 60 - 70 °C 3: 78.2 percent / Fe, AcOH / 1 h / 80 °C 4: 1.) 1 N HCl, aq. NaNO2, 2.) aq. 65percent HPF6 / 1.) 0-3 deg C, 5 min 5: 36.2 percent / heptane / 0.25 h / Heating 6: 82 percent / 20percent NaOH / 43 h / Heating 7: 91.4 percent / POCl3 / 0.25 h / Heating View Scheme

1: 89.5 percent / concd HNO3, concd H2SO4 / 1.5 h / 60 - 70 °C 2: 78.2 percent / Fe, AcOH / 1 h / 80 °C 3: 1.) 1 N HCl, aq. NaNO2, 2.) aq. 65percent HPF6 / 1.) 0-3 deg C, 5 min 4: 36.2 percent / heptane / 0.25 h / Heating 5: 82 percent / 20percent NaOH / 43 h / Heating 6: 91.4 percent / POCl3 / 0.25 h / Heating View Scheme

1: 1.) 1 N HCl, aq. NaNO2, 2.) aq. 65percent HPF6 / 1.) 0-3 deg C, 5 min 2: 36.2 percent / heptane / 0.25 h / Heating 3: 82 percent / 20percent NaOH / 43 h / Heating 4: 91.4 percent / POCl3 / 0.25 h / Heating View Scheme

1: 78.2 percent / Fe, AcOH / 1 h / 80 °C 2: 1.) 1 N HCl, aq. NaNO2, 2.) aq. 65percent HPF6 / 1.) 0-3 deg C, 5 min 3: 36.2 percent / heptane / 0.25 h / Heating 4: 82 percent / 20percent NaOH / 43 h / Heating 5: 91.4 percent / POCl3 / 0.25 h / Heating View Scheme

1: 36.2 percent / heptane / 0.25 h / Heating 2: 82 percent / 20percent NaOH / 43 h / Heating 3: 91.4 percent / POCl3 / 0.25 h / Heating View Scheme

1: NaNO2, 48percent HBF4 / H2O / 1 h / -10 °C 2: 80 percent / toluene / 1.) 100 deg C; 2.) reflux, 1 h. 3: 81 percent / 6 M hydrochloric acid / ethanol / 6 h / Heating 4: 93 percent / xylene / 2 h / Heating 5: 80 percent / various solvent(s) / Heating 6: 96 percent / K2CO3 / dimethylformamide / 4.5 h / 100 °C 7: 99 percent / 1.0 N aq. NaOH / ethanol / 1.) 100 deg C, 1 h; 2.) room temp., 18 h. 8: 90 percent / thionyl chloride / 1.) room temp., 20 min.; 2.) 60 deg C, 6 h. 9: 98 percent / aq. NaOH / 1.)room temp., 20 min; 2.) 100 deg C, 2 h. 10: 98 percent / POCl3 / 1 h / Heating View Scheme

1: 93 percent / xylene / 2 h / Heating 2: 80 percent / various solvent(s) / Heating 3: 96 percent / K2CO3 / dimethylformamide / 4.5 h / 100 °C 4: 99 percent / 1.0 N aq. NaOH / ethanol / 1.) 100 deg C, 1 h; 2.) room temp., 18 h. 5: 90 percent / thionyl chloride / 1.) room temp., 20 min.; 2.) 60 deg C, 6 h. 6: 98 percent / aq. NaOH / 1.)room temp., 20 min; 2.) 100 deg C, 2 h. 7: 98 percent / POCl3 / 1 h / Heating View Scheme

1: 81 percent / 6 M hydrochloric acid / ethanol / 6 h / Heating 2: 93 percent / xylene / 2 h / Heating 3: 80 percent / various solvent(s) / Heating 4: 96 percent / K2CO3 / dimethylformamide / 4.5 h / 100 °C 5: 99 percent / 1.0 N aq. NaOH / ethanol / 1.) 100 deg C, 1 h; 2.) room temp., 18 h. 6: 90 percent / thionyl chloride / 1.) room temp., 20 min.; 2.) 60 deg C, 6 h. 7: 98 percent / aq. NaOH / 1.)room temp., 20 min; 2.) 100 deg C, 2 h. 8: 98 percent / POCl3 / 1 h / Heating View Scheme