hydrogen sulfide in methanol 0.666667 h;

1: 90 percent / POCl3 / 6 h / Heating 2: 82 percent / 98percent N2H4*H2O / 0.67 h / Heating 3: 98 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 4: 77 percent / H2S / methanol / 0.67 h View Scheme

1: 82 percent / 98percent N2H4*H2O / 0.67 h / Heating 2: 98 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 3: 77 percent / H2S / methanol / 0.67 h View Scheme

1: 98 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 2: 77 percent / H2S / methanol / 0.67 h View Scheme

1: ethanol / 24 h / Heating 2: various solvent(s) / 0.5 h / Heating 3: 90 percent / POCl3 / 6 h / Heating 4: 82 percent / 98percent N2H4*H2O / 0.67 h / Heating 5: 98 percent / NaNO2/AcOH / H2O / 0.08 h / 0 °C 6: 77 percent / H2S / methanol / 0.67 h View Scheme