sodium nitrite in hydrogenchloride; dichloromethane 0.75 h; Ambient temperatureoxidation with CH3I/methanol or mercuric oxide/acetic anhydride;

<b>Multi-step reaction with 2 steps<br /> </b>1: 3 h / 150 &deg;C<br />2: 1) sodium / 1) ether, reflux, 4 h; 2) ether, reflux, 1h.<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 3 h / 150 &deg;C<br />2: 1) sodium / 1) ether, reflux, 4 h; 2) ether, reflux, 1h.<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3647881', constants.ctx, '0')">sodium</a> <br />&nbsp;1) ether, reflux, 4 h; 2) ether, reflux, 1h.;&nbsp;&nbsp;Yield given. Multistep reaction;&nbsp;<br /> &nbsp;