boron trifluoride diethyl etherate in diethyl ether; benzene Heating;

<b>Multi-step reaction with 2 steps<br /> </b>1: 1) n-BuLi / 1a) -45 deg C, b) 1-2h, RT, 2a) 0 deg C, 30 min., b) RT, several hours<br />2: AlCl₃ / CH₂Cl₂ / 25 &deg;C<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209238', constants.ctx, '0')">aluminium trichloride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=25&deg;C;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 93 percent / p-toluenesulfonic acid / ethanol / Heating<br />2: 1) n-BuLi / 1a) -45 deg C, b) 1-2h, RT, 2a) 0 deg C, 30 min., b) RT, several hours<br />3: AlCl₃ / CH₂Cl₂ / 25 &deg;C<br /> <br /> &nbsp;