1: palladium 10 on activated carbon; hydrogen / methanol / 1500.15 Torr 2: dibromo-difluoro-methane; tert-butyl alcohol / dichloromethane / 1.5 h / 80 °C / Inert atmosphere; Microwave irradiation View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '608317', constants.ctx, '0')">3-chloro-benzenecarboperoxoic acid</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=0&deg;C;&nbsp;2&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: trifluoroacetic acid / dichloromethane / -78 - 20 &deg;C / Inert atmosphere<br />2: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 2 h / 0 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1.1: tetrahydrofuran; diethyl ether / 0 - 20 &deg;C / Inert atmosphere<br />1.2: Inert atmosphere<br />2.1: trifluoroacetic acid / dichloromethane / -78 - 20 &deg;C / Inert atmosphere<br />3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 2 h / 0 &deg;C<br /> <br /> &nbsp;