1: thionyl chloride / CHCl3 / 0.33 h / Heating 2: NaH / dimethylformamide / 2.5 h / 60 °C View Scheme

<b>Multi-step reaction with 4 steps<br /> </b>1: 79 percent / H₂O / 4 h / 25 &deg;C<br />2: H₂ / 5percent Pd/C / toluene / 1 h / 760 Torr / Ambient temperature<br />3: toluene / 3 h / Heating<br />4: 5percent Pd/C / toluene / 1 h / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: toluene / 3 h / Heating<br />2: 5percent Pd/C / toluene / 1 h / Heating<br /> <br /> &nbsp;