lithium hydroxide in water 2 h; Ambient temperature; Yield given;

1: 90 percent / LiAlH4 / tetrahydrofuran / 2 h / Heating 2: 94 percent / 18 h / Ambient temperature 3: 98 percent / 5percent K2CO3 / methanol / 2 h / Heating 4: 64 percent / BF3*Et2O / CH2Cl2 / 16 h 5: 97 percent / 1N HCl / methanol / 24 h / 25 °C 6: 66 percent / H2O, paraformaldehyde / tetrahydrofuran / 2 h / Heating 7: TiCl4 / CH2Cl2; diethyl ether / 0.5 h / -78 °C 8: 10percent aq. NaOH / ethanol / 2 h / Heating View Scheme