potassium hydroxide Behandeln des Reaktionsprodukts mit Acetanhydrid und Pyridin;

<b>Multi-step reaction with 2 steps<br /> </b>1: 30 percent / ZnCl₂ / 9 h / 50 - 70 Torr / Heating<br />2: 55 percent / 0.01 N methanolic MeONa / 2 h / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: zinc chloride<br />2: sodium methylate; methanol<br /> <br /> &nbsp;