1: 72 percent / diethyl ether / 1.5 h / Irradiation 2: 80 percent / LiAlH4 / diethyl ether / 1 h / 0 °C View Scheme

in diethyl ether 1.5 h; Irradiation;

<b>Multi-step reaction with 2 steps<br /> </b>1: 81 percent / Et₃N / toluene / Heating<br />2: 65 percent / 1.) BuLi / tetrahydrofuran / 1.) from -78 deg C to room temp.; 2.) from -30 deg C to room temp.<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209227', constants.ctx, '0')">n-butyllithium</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />&nbsp;1.) from -78 deg C to room temp.; 2.) from -30 deg C to room temp.;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: toluene / 5 h / Heating<br />2: 81 percent / Et₃N / toluene / Heating<br />3: 65 percent / 1.) BuLi / tetrahydrofuran / 1.) from -78 deg C to room temp.; 2.) from -30 deg C to room temp.<br /> <br /> &nbsp;