1: 96 percent / pyridine / 3 h / Ambient temperature 2: 93 percent / NaH / CH2Cl2; dimethylformamide / 4 h / Ambient temperature View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11343078', constants.ctx, '0')">sodium tetrahydroborate</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098229', constants.ctx, '0')">methanol</a> <br />T=0&deg;C;&nbsp;0.5&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 60 percent / xylene / 1 h / Heating<br />2: 76 percent / NaBH₄ / methanol / 0.5 h / 0 &deg;C<br /> <br /> &nbsp;