aluminum oxide in toluene 31 h; Heating;

<b>Multi-step reaction with 2 steps<br /> </b>1: 4.9 g / 64percent m-chloroperbenzoic acid / CH₂Cl₂ / 1 h<br />2: 64percent m-chloroperbenzoic acid / CH₂Cl₂ <br /> <br /> &nbsp;