1: pyridine / 3 h / Ambient temperature 2: 0.095 g / formic acid / 3 h / Heating 3: 0.068 g / p-cymene/30percent Pd-C / 2.5 h / Heating View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 0.20 g / NH₂OH*HCl/pyridine / 3.5 h / Heating<br />2: 0.24 g / sodium metal / ethanol / 4 h / Heating<br /> <br /> &nbsp;