diisobutylaluminium hydride in dichloromethane; toluene T=-18°C; 2 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587189', constants.ctx, '0')">hydrogen</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '11378922', constants.ctx, '0')">palladium on activated charcoal</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a> <br />23&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: DIBAL-H / toluene / 1.5 h / -78 &deg;C<br />2: 30.0 g / LiCl; DBU / acetonitrile / 1 h<br />3: H₂ / Pd/C / ethanol / 23 h<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>1: 100 percent / Et₃N; DMAP / CH₂Cl₂ / 22 h / 0 &deg;C<br />2: DIBAL-H / toluene / 1.5 h / -78 &deg;C<br />3: 30.0 g / LiCl; DBU / acetonitrile / 1 h<br />4: H₂ / Pd/C / ethanol / 23 h<br /> <br /> &nbsp;