1: 88 percent / Ac2O / Heating 2: 94 percent / 18percent KOH / 0.17 h / Heating View Scheme

<b>Multi-step reaction with 3 steps<br /> </b>1: 95 percent / NaOAc / acetic acid / 0.5 h / Heating<br />2: 1) 15percent NaOH, 2) 10percent HCl / 1) 100 deg C, 5 min, 2) 0 deg C<br />3: Na, NH₂OH*HCl / ethanol / 0.5 h / Heating<br /> <br /> &nbsp;