aluminium trichloride; water in benzene

Stage #1: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3556712', constants.ctx, '0')">potassium <i>tert</i>-butylate</a> <br />&nbsp;Inert atmosphere;&nbsp;<br />Stage #2: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1361988', constants.ctx, '0')">oxalyl dichloride</a> <br />&nbsp;Inert atmosphere;&nbsp;<br /> &nbsp;