1: 1.75 g / hydrogen / 5percent Rh/C / ethanol / 20 h / Ambient temperature 2: 79 percent / 1 M NaHCO3, 1 M Na2CO3 / CHCl3 / 5 h / Ambient temperature 3: 84 percent / KMnO4 / acetone; acetic acid / 3.5 h / Ambient temperature 4: 1.) N-methylmorpholine, isobutyl chloroformate; 2.) NH3 / 1.) THF, 7 min, -20 deg C; 2.) water, 2 h, -15 -> 10 deg C View Scheme