hydrogen; palladium on activated charcoal in tetrahydrofuran; ethanol P=3102.89 Torr; 18 h;

1: sodium hydroxide / ethanol; H2O / 12 h / 25 °C 2: ammonium acetate; glacial acetic acid / 12 h / Heating 3: 92 percent / hydrogen / Pd/C / ethanol; tetrahydrofuran / 18 h / 3102.89 Torr View Scheme

1: sodium hydroxide / ethanol; H2O / 12 h / 25 °C 2: ammonium acetate; glacial acetic acid / 12 h / Heating 3: 92 percent / hydrogen / Pd/C / ethanol; tetrahydrofuran / 18 h / 3102.89 Torr View Scheme

1: ammonium acetate; glacial acetic acid / 12 h / Heating 2: 92 percent / hydrogen / Pd/C / ethanol; tetrahydrofuran / 18 h / 3102.89 Torr View Scheme

Multistep reaction;