sodium hydroxide in methanol 1.5 h; Ambient temperature;

<b>Multi-step reaction with 5 steps<br /> </b>1: 94 percent / SOCl₂ / 2 h / Heating<br />2: 98 percent / NaN₃ / acetonitrile / 4 h / Ambient temperature<br />3: toluene / 1.5 h / Heating<br />4: KOH / toluene; H₂O / 0.25 h / 0 &deg;C<br />5: 1 N HCl / H₂O<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>1: 98 percent / NaN₃ / acetonitrile / 4 h / Ambient temperature<br />2: toluene / 1.5 h / Heating<br />3: KOH / toluene; H₂O / 0.25 h / 0 &deg;C<br />4: 1 N HCl / H₂O<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: toluene / 1.5 h / Heating<br />2: KOH / toluene; H₂O / 0.25 h / 0 &deg;C<br />3: 1 N HCl / H₂O<br /> <br /> &nbsp;