potassium hydroxide; water in methanol 6 h; Ambient temperature;

1: DIBALH / CH2Cl2 / 0.5 h / -78 °C 2: 4 Angstroem molecular sieves / CH2Cl2 / 2.5 h / Ambient temperature 3: hydrogen / 1.) PtO2; 2.) Pd/C / 1.) aq. EtOH; 2.) aq. EtOH, 6 h View Scheme