Yield given. Multistep reaction;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102551', constants.ctx, '0')">1,4-dioxane</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a> <br />22&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;