1: 91 percent / sodium methoxide / methanol 2: 91 percent / sodium methoxide / methanol / 4 h / Heating 3: 65 percent / hydrogen / palladium dichloride, activated carbon / methanol; aq. HCl 4: sodium hydride / dimethylformamide / 1) 20 deg C, 1 h, 2) 90 deg C to 100 deg C, 8 h 5: hydrogen / palladium dichloride, activated carbon / methanol 6: potassium hydroxide / ethanol; H2O / 3 h / Heating View Scheme

1: sodium hydride / dimethylformamide / 1) 20 deg C, 1 h, 2) 90 deg C to 100 deg C, 8 h 2: hydrogen / palladium dichloride, activated carbon / methanol 3: potassium hydroxide / ethanol; H2O / 3 h / Heating View Scheme

1: 65 percent / hydrogen / palladium dichloride, activated carbon / methanol; aq. HCl 2: sodium hydride / dimethylformamide / 1) 20 deg C, 1 h, 2) 90 deg C to 100 deg C, 8 h 3: hydrogen / palladium dichloride, activated carbon / methanol 4: potassium hydroxide / ethanol; H2O / 3 h / Heating View Scheme

1: hydrogen / palladium dichloride, activated carbon / methanol 2: potassium hydroxide / ethanol; H2O / 3 h / Heating View Scheme

1: 87 percent / alkaline medium 2: 91 percent / sodium methoxide / methanol 3: 91 percent / sodium methoxide / methanol / 4 h / Heating 4: 65 percent / hydrogen / palladium dichloride, activated carbon / methanol; aq. HCl 5: sodium hydride / dimethylformamide / 1) 20 deg C, 1 h, 2) 90 deg C to 100 deg C, 8 h 6: hydrogen / palladium dichloride, activated carbon / methanol 7: potassium hydroxide / ethanol; H2O / 3 h / Heating View Scheme