1: 78 percent / PCC; 4 Angstroem molecular sieves / CH2Cl2 / 3 h / 20 °C 2: 70 percent / Jones reagent / acetone / 1 h / 20 °C 3: 71 percent / DCC / CH2Cl2 / 12 h 4: NH3; H2O / CHCl3; methanol / 12 h / 20 °C 5: H2O2; H2O / 12 h / 20 °C View Scheme

jones reagent in acetone 1 h; Ambient temperatureother reagent, solvent, reaction time; Product distribution;

pyridinium chlorochromate 2 h; Ambient temperature;