1: ethanolic sodium ethylate 2: SnCl2; concentrated aqueous HCl; acetic acid 3: aqueous HCl; acetic acid / 150 °C View Scheme

palladium on activated charcoal; ethanol Hydrogenation;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '506007', constants.ctx, '0')">acetic acid</a> <br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098214', constants.ctx, '0')">hydrogenchloride</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '1209228', constants.ctx, '0')">formaldehyd</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />Mannich reaction;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098214', constants.ctx, '0')">hydrogenchloride</a> <br />&nbsp;1) EtOH, reflux, 4 h, 2) EtOH, benzene, reflux, 10 h;&nbsp;&nbsp;Yield given. Multistep reaction;&nbsp;<br /> &nbsp;