1: sec-BuLi / tetrahydrofuran / 1 h / -78 °C 2: 86 percent / tetrahydrofuran / 1 h / -78 °C 3: 91 percent / DIBAL / tetrahydrofuran / 2 h / 0 °C View Scheme

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '2831014', constants.ctx, '0')">2-cyclohexyl-1,1,3,3-tetramethylguanidine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '741857', constants.ctx, '0')">acetonitrile</a> <br />T=55&deg;C;&nbsp;P=4137.2 - 8274.4&nbsp;Torr;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098214', constants.ctx, '0')">hydrogenchloride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />5&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=20&deg;C;&nbsp;Acylation;&nbsp;24&nbsp;h;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '2058967', constants.ctx, '0')">diphenyl phosphoryl azide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '969212', constants.ctx, '0')">benzene</a> <br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: triethylamine; 4-(N,N-dimethlyamino)pyridine / dichloromethane / 0 &deg;C<br />2: triethylamine / dichloromethane<br /> <br /> &nbsp;