hydrogenchloride

<b>Multi-step reaction with 2 steps<br /> </b>1: p-toluenesulfonic acid monohydrate / benzene / Heating<br />2: 50percent aq. NaOH / TEBA / CH₂Cl₂ / 0.5 h / 5 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: benzene; 2-hydroxy-5-sulfo-benzoic acid<br />2: pyridine<br /> <br /> &nbsp;