T=320°C;

thionyl chloride Multistep reaction;

<b>Multi-step reaction with 2 steps<br /> </b>1: Ba(OH)2 / aq. ethanol / Heating<br />2: aq. NaOH / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: mesyl chloride, triethylamine / CH₂Cl₂ / 1.) 0 deg C, 1 h, 2.) room temperature, 4 h<br />2: KOH / methanol / 12 h / Ambient temperature<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102438', constants.ctx, '0')">piperidine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a> <br /> <br /> &nbsp;