1: 84 percent / Pd/C 2: NH3 View Scheme

<b>Multi-step reaction with 3 steps<br /> </b>1: MsOH / 3 h / 90 - 100 &deg;C / 12 - 18.8 Torr<br />2: liq. NH₃, MsOH / 8 h / 55 &deg;C<br />3: 82 percent / H₂ / Rh/Al₂O₃ / methanol / 750.06 Torr<br /> <br /> &nbsp;