pyrrolidine in methanol T=25°C;

<b>Multi-step reaction with 2 steps<br /> </b>1: sodium borohydride / H₂O / 3 h<br />2: 61 percent / methanol / 3 h / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 98 percent / methanol / 3 h / Heating<br />2: sodium borohydride / H₂O / 3 h<br />3: 61 percent / methanol / 3 h / Heating<br /> <br /> &nbsp;