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 8: 79.6 percent / acetonitrile / 1 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 8: 84.3 percent / acetonitrile / 1 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 8: 91.6 percent / acetonitrile / 1 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 8: 31.7 percent / acetonitrile / 1 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 8: 71.4 percent / acetonitrile / 1 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