potassium hydroxide in ethanol 1 h; Heating;

<b>Multi-step reaction with 3 steps<br /> </b>1: 6 percent / fuming HNO₃ / acetic anhydride<br />2: 89 percent / H₂ / 10percent palladium on charcoal / ethanol<br />3: 58.9 percent / 7 h<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>1: 38 percent<br />2: 6 percent / fuming HNO₃ / acetic anhydride<br />3: 89 percent / H₂ / 10percent palladium on charcoal / ethanol<br />4: 58.9 percent / 7 h<br /> <br /> &nbsp;