1: dioxane / 1.5 h / Heating 2: H2 / Pd/C / methanol / 1 h / 25 °C / 3102.9 Torr View Scheme

<b>Multi-step reaction with 3 steps<br /> </b>1: nitric acid<br />2: nitric acid / 155 - 160 &deg;C<br />3: HCl<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 92 percent / conc. H₂SO₄ / 24 h / Heating<br />2: 70 percent / conc. H₂SO₄, fuming HNO₃ / 138 h / -20 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: nitric acid / 155 - 160 &deg;C<br />2: HCl<br /> <br /> &nbsp;