pyridine Erhitzen des Reaktionsprodukts mit wss. Schwefelsaeure und Aceton;

sulfuric acid in acetone 0.0833333 h; Heating; Yield given;

1: 90 percent / HCl / 18 h / Ambient temperature 2: 95 percent / p-toluenesulfonic acid monohydrate / 0.33 h / Heating 3: 25 g / triethylamine / tetrahydrofuran / 0.5 h / Ambient temperature 4: 0.5 M H2SO4 / acetone / 0.08 h / Heating View Scheme

1: 95 percent / p-toluenesulfonic acid monohydrate / 0.33 h / Heating 2: 25 g / triethylamine / tetrahydrofuran / 0.5 h / Ambient temperature 3: 0.5 M H2SO4 / acetone / 0.08 h / Heating View Scheme

1: 25 g / triethylamine / tetrahydrofuran / 0.5 h / Ambient temperature 2: 0.5 M H2SO4 / acetone / 0.08 h / Heating View Scheme

1: 90 percent / HCl / 18 h / Ambient temperature 2: 95 percent / p-toluenesulfonic acid monohydrate / 0.33 h / Heating 3: 25 g / triethylamine / tetrahydrofuran / 0.5 h / Ambient temperature 4: 0.5 M H2SO4 / acetone / 0.08 h / Heating View Scheme

ethanol; palladium Hydrogenation;