in diethyl ether 1.33333 h;

in methanol; diethyl ether 1.33333 h;

1: 81 percent / acetone / 24 h / 60 °C 2: 82 percent / NaBH4 / methanol / 0.33 h / 1.) ice-cooling, 2.) room temp. 3: 86 percent / H2 / 10percent Pd/C / acetic acid / 1 h View Scheme