palladium on activated charcoal in acetic acid 24 h; Heating;

1: 35 percent / CHCl3 / 0.5 h / Ambient temperature 2: 42 percent / P2O5 / 21 h / 60 - 70 °C 3: 80 percent / BH3 / tetrahydrofuran / 4 h / Heating 4: 100 percent / KOH / H2O; ethanol / 1 h / Heating 5: 55 percent / 5percent Pd/C / acetic acid / 24 h / Heating View Scheme

1: 80 percent / ethanol; H2O / 6 h / Ambient temperature 2: 35 percent / CHCl3 / 0.5 h / Ambient temperature 3: 42 percent / P2O5 / 21 h / 60 - 70 °C 4: 80 percent / BH3 / tetrahydrofuran / 4 h / Heating 5: 100 percent / KOH / H2O; ethanol / 1 h / Heating 6: 55 percent / 5percent Pd/C / acetic acid / 24 h / Heating View Scheme

1: 86 percent / K2CO3 / dimethylformamide / 2.5 h / Heating 2: 80 percent / ethanol; H2O / 6 h / Ambient temperature 3: 35 percent / CHCl3 / 0.5 h / Ambient temperature 4: 42 percent / P2O5 / 21 h / 60 - 70 °C 5: 80 percent / BH3 / tetrahydrofuran / 4 h / Heating 6: 100 percent / KOH / H2O; ethanol / 1 h / Heating 7: 55 percent / 5percent Pd/C / acetic acid / 24 h / Heating View Scheme

1: 35 percent / CHCl3 / 0.5 h / Ambient temperature 2: 42 percent / P2O5 / 21 h / 60 - 70 °C 3: 80 percent / BH3 / tetrahydrofuran / 4 h / Heating 4: 100 percent / KOH / H2O; ethanol / 1 h / Heating 5: 55 percent / 5percent Pd/C / acetic acid / 24 h / Heating View Scheme

1: 54 percent / P2O5 / 2 h / 50 - 60 °C 2: 80 percent / BH3 / tetrahydrofuran / 4 h / Heating 3: 100 percent / KOH / H2O; ethanol / 1 h / Heating 4: 55 percent / 5percent Pd/C / acetic acid / 24 h / Heating View Scheme

1: 100 percent / KOH / H2O; ethanol / 1 h / Heating 2: 55 percent / 5percent Pd/C / acetic acid / 24 h / Heating View Scheme

1: 80 percent / BH3 / tetrahydrofuran / 4 h / Heating 2: 100 percent / KOH / H2O; ethanol / 1 h / Heating 3: 55 percent / 5percent Pd/C / acetic acid / 24 h / Heating View Scheme

1: 42 percent / P2O5 / 21 h / 60 - 70 °C 2: 80 percent / BH3 / tetrahydrofuran / 4 h / Heating 3: 100 percent / KOH / H2O; ethanol / 1 h / Heating 4: 55 percent / 5percent Pd/C / acetic acid / 24 h / Heating View Scheme