hydrogenchloride Yield given;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587206', constants.ctx, '0')">sec.-butyllithium</a> <br />&nbsp;1.) THF, hexane, -65 deg C, 2.) THF, hexane, RT, 2.5 h;&nbsp;&nbsp;Yield given. Multistep reaction;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 91 percent / imidazole / dimethylformamide<br />2: 1.) sec-BuLi / 1.) THF, hexane, -65 deg C, 2.) THF, hexane, RT, 2.5 h<br /> <br /> &nbsp;