hydrogen sulfide in methanol 0.666667 h;

1: 87 percent / POCl3 / 6 h / Heating 2: 76 percent / 98percent N2H4*H2O / 0.67 h / Heating 3: 90 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 4: 75 percent / H2S / methanol / 0.67 h View Scheme

1: 95 percent / 250 °C / sublimation in vacuo 2: 87 percent / POCl3 / 6 h / Heating 3: 76 percent / 98percent N2H4*H2O / 0.67 h / Heating 4: 90 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 5: 75 percent / H2S / methanol / 0.67 h View Scheme

1: 89 percent / 30percent aq. NaOH / 12 h / Heating 2: 95 percent / 250 °C / sublimation in vacuo 3: 87 percent / POCl3 / 6 h / Heating 4: 76 percent / 98percent N2H4*H2O / 0.67 h / Heating 5: 90 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 6: 75 percent / H2S / methanol / 0.67 h View Scheme

1: 59 percent / various solvent(s) / 0.67 h / Heating 2: 89 percent / 30percent aq. NaOH / 12 h / Heating 3: 95 percent / 250 °C / sublimation in vacuo 4: 87 percent / POCl3 / 6 h / Heating 5: 76 percent / 98percent N2H4*H2O / 0.67 h / Heating 6: 90 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 7: 75 percent / H2S / methanol / 0.67 h View Scheme

1: 90 percent / 0.5 h / Heating 2: 59 percent / various solvent(s) / 0.67 h / Heating 3: 89 percent / 30percent aq. NaOH / 12 h / Heating 4: 95 percent / 250 °C / sublimation in vacuo 5: 87 percent / POCl3 / 6 h / Heating 6: 76 percent / 98percent N2H4*H2O / 0.67 h / Heating 7: 90 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 8: 75 percent / H2S / methanol / 0.67 h View Scheme