diisobutylaluminium hydride in hexane; toluene 2 h;

lithium aluminium tetrahydride in tetrahydrofuran T=20°C; 3 h;

1: 80 percent / DIBAL-H / toluene; hexane / 2 h 2: HCl / CH2Cl2 View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1909316', constants.ctx, '0')">anhydrous trifluoromethanesulfonate</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '1938921', constants.ctx, '0')">C₆H₅CH(OSi(Me)3)CH₃</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=-20&deg;C;&nbsp;3&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 76 percent / IR-120 H⁺ resin<br />2: 78 percent / TsOH / benzene<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 60 percent / H₂SO₄ <br />2: TsOH / benzene / Heating<br /> <br /> &nbsp;