1: anhydrous xylene / 1 h / Reflux 2: sodium hydroxide / methanol / 1 h / 60 °C View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: potassium carbonate / methanol; chloroform / 8 h / Reflux<br />2: sodium / methanol / 12 h / 0 &deg;C<br /> <br /> &nbsp;