hydrogen; palladium hydroxide - carbon in acetic acid Ambient temperatureatmospheric pressure; Yield given;

1: H2, / 20percent Pd(OH)2-C / acetic acid / Ambient temperature; atmospheric pressure 2: 88 percent / hydrogen chloride / propan-2-ol / 2 h / 0 °C View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: dimethylsulfoxide<br />2: pyridine / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 93 percent / K₂CO₃ / acetone / Heating<br />2: dimethylsulfoxide<br />3: pyridine / Heating<br /> <br /> &nbsp;

T=160&deg;C;&nbsp;5&nbsp;h;&nbsp;&nbsp;Heating;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 87 percent / K₂CO₃ / acetone / 72 h / Heating<br />2: 10 percent / pyridine / 16 h / 80 &deg;C<br />3: 48 percent / 5 h / 160 &deg;C / Heating<br /> <br /> &nbsp;