hydrogenchloride T=70°C; 8 h;

<b>Multi-step reaction with 2 steps<br /> </b>1: 95 percent / NaOH / dimethylformamide; H₂O / 0.5 h / 10 &deg;C<br />2: 62 percent / Fe, Cl₂ / CHCl₃ / 3 h / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 81 percent / Na₂CO₃, AcOH / methanol; H₂O / 2 h / Heating; pH 4.5<br />2: 62 percent / Fe, Cl₂ / CHCl₃ / 3 h / Heating<br /> <br /> &nbsp;