sodium ethanolate in ethanol T=0°C;

<b>Multi-step reaction with 3 steps<br /> </b>1: 87 percent / xylene / Heating<br />2: 51 percent / pyridine / Ambient temperature<br />3: 1.) NaH / 1.) THF, 0 deg C, 1 h, 2.) THF, rt<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4122952', constants.ctx, '0')">sodium hydride</a> <br />&nbsp;1.) THF, 0 deg C, 1 h, 2.) THF, rt;&nbsp;&nbsp;Yield given. Multistep reaction;&nbsp;<br /> &nbsp;