hydrogenchloride in ethanol Hydrolysis; 5 h; Heating;

<b>Multi-step reaction with 4 steps<br /> </b>1.1: SOCl₂ / 2 h / Heating<br />1.2: 4 h / Heating<br />1.3: conc. HCl / ethanol / 1 h / 0 &deg;C<br />2.1: 69 percent / p-TsOH / toluene / 47 h / Heating<br />3.1: 59 percent / p(OEt)3 / 65 h / 120 &deg;C<br />4.1: 96 percent / benzene / 10 h / Heating<br /> <br /> &nbsp;