in ethanol 10 h; Heating;

in ethanol 5 h; Heating;

Multi-step reaction with 5 steps 1: 63 percent / ethanol / 108 h / Heating2: 70 percent / p-TosOH*H2O / toluene / 3 h / Heating3: 70 percent / 4-methylmorpholine-4-oxide-monohydrate, 0.4M OsO4 / acetone; H2O; 2-methyl-propan-2-ol; diethyl ether / 432 h / Ambient temperature4: 94 percent / p-TosOH*H2O / toluene / 2 h / Heating5: 95 percent / p-TosOH*H2O / toluene / 24 h / Heating