1: 60 percent / methanol / 3 h 2: 85 percent / 25percent aq. NaOH, 20percent aq. Et4NOH / 1 h / 60 - 65 °C View Scheme

1: 60 percent / methanol / 3 h 2: 85 percent / 25percent aq. NaOH, 20percent aq. Et4NOH / 1 h / 60 - 65 °C 3: 1.) LiAlH4, 2.) 6 M aq. HCl / 1.) ether, reflux, 1 h, 2.) reflux, 10 min View Scheme

1: 60 percent / ethanol / 3 h 2: 85 percent / 25percent aq. NaOH, 20percent aq. Et4NOH / 1 h / 60 - 65 °C 3: 1.) LiAlH4, 2.) 6 M aq. HCl / 1.) ether, reflux, 1 h, 2.) reflux, 10 min View Scheme

1: 60 percent / ethanol / 3 h 2: 85 percent / 25percent aq. NaOH, 20percent aq. Et4NOH / 1 h / 60 - 65 °C View Scheme