potassium carbonate Heating;

potassium carbonate in N,N-dimethyl-formamide T=150°C; 1 h;

1: 89 percent / SOCl2 2: 99 percent / potassium carbonate / Heating View Scheme

1.1: sodium hydroxide / 1,4-dioxane; methanol / 2.5 h / 85 °C 1.2: 0.17 h 2.1: diphenyl phosphoryl azide; triethylamine / tetrahydrofuran / 6 h / 80 °C 3.1: ethanol; potassium hydroxide / 18 h / Reflux 4.1: palladium 10 on activated carbon; hydrogen / tetrahydrofuran; methanol / 4560.31 Torr View Scheme

barium dihydroxide in tetrahydrofuran T=50°C; 12 h;