sodium carbonate; 3-chloro-benzenecarboperoxoic acid in chloroform T=-10°C; 5 h; Yield given;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '19253605', constants.ctx, '0')">4 A molecular sieve</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1731042', constants.ctx, '0')">chloroform</a> <br />48&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;