hydrogenchloride; iron in ethanol; water T=30 - 65°C; 4 h;

<b>Multi-step reaction with 2 steps<br /> </b>1: sulfuric acid; nitric acid / 4 h / 20 - 45 &deg;C<br />2: potassium carbonate / N,N-dimethyl-formamide / 24 h / 120 &deg;C<br /> <br /> &nbsp;