potassium carbonate in butanone Heating;

1: 97 percent / 4-(dimethylamino)pyridine / methanol / 3 h / 60 °C 2: 70 percent / H2O; acetic acid / Heating 3: 60.5 g / aq. NaOH / methanol / 1 h / Heating 4: 89 percent / POCl3, N,N-dimethylaniline / 2 h / 150 °C 5: 96 percent / NaBH4 / CHCl3; ethanol / 1.) 0 deg C, 2.) room temperature, 1 h 6: 84 percent / potassium carbonate / butan-2-one / Heating View Scheme

1: 70 percent / H2O; acetic acid / Heating 2: 60.5 g / aq. NaOH / methanol / 1 h / Heating 3: 89 percent / POCl3, N,N-dimethylaniline / 2 h / 150 °C 4: 96 percent / NaBH4 / CHCl3; ethanol / 1.) 0 deg C, 2.) room temperature, 1 h 5: 84 percent / potassium carbonate / butan-2-one / Heating View Scheme

1: 92 percent / dioxane / 60 °C 2: 97 percent / 4-(dimethylamino)pyridine / methanol / 3 h / 60 °C 3: 70 percent / H2O; acetic acid / Heating 4: 60.5 g / aq. NaOH / methanol / 1 h / Heating 5: 89 percent / POCl3, N,N-dimethylaniline / 2 h / 150 °C 6: 96 percent / NaBH4 / CHCl3; ethanol / 1.) 0 deg C, 2.) room temperature, 1 h 7: 84 percent / potassium carbonate / butan-2-one / Heating View Scheme

1: 96 percent / NaBH4 / CHCl3; ethanol / 1.) 0 deg C, 2.) room temperature, 1 h 2: 84 percent / potassium carbonate / butan-2-one / Heating View Scheme

1: 60.5 g / aq. NaOH / methanol / 1 h / Heating 2: 89 percent / POCl3, N,N-dimethylaniline / 2 h / 150 °C 3: 96 percent / NaBH4 / CHCl3; ethanol / 1.) 0 deg C, 2.) room temperature, 1 h 4: 84 percent / potassium carbonate / butan-2-one / Heating View Scheme

1: 89 percent / POCl3, N,N-dimethylaniline / 2 h / 150 °C 2: 96 percent / NaBH4 / CHCl3; ethanol / 1.) 0 deg C, 2.) room temperature, 1 h 3: 84 percent / potassium carbonate / butan-2-one / Heating View Scheme