hydrogenchloride in methanol 24 h; Heating;

<b>Multi-step reaction with 3 steps<br /> </b>1: 78 percent / aq. NaOH / benzene / 2 h / 25 &deg;C<br />2: 92 percent / LAH / tetrahydrofuran / 14 h / Heating<br />3: 95 percent / Et₃N / benzene / 1.5 h / Ambient temperature<br /> <br /> &nbsp;