1: 88.4 percent / KOH / H2O / 5 h / 90 °C 2: 95 percent / glass powder / 3.5 h / 145 °C 3: 95 percent / diethyl ether 4: 82 percent / LAH / tetrahydrofuran / 3 h / Heating 5: 95.7 percent / 48percent aq. HBr / 4 h / Heating View Scheme

1: 88.4 percent / KOH / H2O / 5 h / 90 °C 2: 95 percent / glass powder / 3.5 h / 145 °C 3: 95 percent / diethyl ether 4: 82 percent / LAH / tetrahydrofuran / 3 h / Heating View Scheme

1: 88.4 percent / KOH / H2O / 5 h / 90 °C 2: 95 percent / glass powder / 3.5 h / 145 °C View Scheme

1: 88.4 percent / KOH / H2O / 5 h / 90 °C 2: 95 percent / glass powder / 3.5 h / 145 °C 3: 95 percent / diethyl ether 4: 82 percent / LAH / tetrahydrofuran / 3 h / Heating 5: 85 percent / pyridine / 2 h / 0 °C 6: 68 percent / NaBH4 / dimethylsulfoxide / 2 h / Heating View Scheme

1: 88.4 percent / KOH / H2O / 5 h / 90 °C 2: 95 percent / glass powder / 3.5 h / 145 °C 3: 95 percent / diethyl ether View Scheme