water; potassium carbonate in methanol T=65°C; 0.5 - 0.75 h;

ammonium chloride in methanol; water; ethyl acetate

1: 95 percent / propan-2-ol / 3.5 h / Heating 2: 89 percent / Fe; aq. NH4Cl / methanol / 4 h / Heating View Scheme

1: 65 percent / AcOH / 0.5 h / Heating 2: LiCl / dimethylformamide / 12 h / Heating 3: K2CO3 / dimethylformamide / 5 h / Heating 4: KMnO4; MgSO4 / H2O / 1.5 h / Heating 5: 71 percent / aq. H2SO4 / 1 h / 110 - 112 °C 6: 80 percent / toluene / 16 h / Heating 7: 76 percent / Dowtherm / 1.25 h / 256 °C 8: 87 percent / POCl3 / 2.5 h / Heating 9: 95 percent / propan-2-ol / 3.5 h / Heating 10: 89 percent / Fe; aq. NH4Cl / methanol / 4 h / Heating View Scheme

1: 80 percent / toluene / 16 h / Heating 2: 76 percent / Dowtherm / 1.25 h / 256 °C 3: 87 percent / POCl3 / 2.5 h / Heating 4: 95 percent / propan-2-ol / 3.5 h / Heating 5: 89 percent / Fe; aq. NH4Cl / methanol / 4 h / Heating View Scheme

1: LiCl / dimethylformamide / 12 h / Heating 2: K2CO3 / dimethylformamide / 5 h / Heating 3: KMnO4; MgSO4 / H2O / 1.5 h / Heating 4: 71 percent / aq. H2SO4 / 1 h / 110 - 112 °C 5: 80 percent / toluene / 16 h / Heating 6: 76 percent / Dowtherm / 1.25 h / 256 °C 7: 87 percent / POCl3 / 2.5 h / Heating 8: 95 percent / propan-2-ol / 3.5 h / Heating 9: 89 percent / Fe; aq. NH4Cl / methanol / 4 h / Heating View Scheme

1: 62 percent / TFA anhydride; NH4NO2 2: 87 percent / POCl3 / 2.5 h / Heating 3: 95 percent / propan-2-ol / 3.5 h / Heating 4: 89 percent / Fe; aq. NH4Cl / methanol / 4 h / Heating View Scheme

1: KMnO4; MgSO4 / H2O / 1.5 h / Heating 2: 71 percent / aq. H2SO4 / 1 h / 110 - 112 °C 3: 80 percent / toluene / 16 h / Heating 4: 76 percent / Dowtherm / 1.25 h / 256 °C 5: 87 percent / POCl3 / 2.5 h / Heating 6: 95 percent / propan-2-ol / 3.5 h / Heating 7: 89 percent / Fe; aq. NH4Cl / methanol / 4 h / Heating View Scheme

1: 95 percent / propan-2-ol / 3.5 h / Heating 2: 89 percent / Fe; aq. NH4Cl / methanol / 4 h / Heating View Scheme

1: 87 percent / POCl3 / 2.5 h / Heating 2: 95 percent / propan-2-ol / 3.5 h / Heating 3: 89 percent / Fe; aq. NH4Cl / methanol / 4 h / Heating View Scheme