1: With water; potassium carbonate in dichloromethane 2: With sodium hydroxide; sodium methylate in methanol T=20°C; 48 h;

<b>Multi-step reaction with 3 steps<br /> </b>1: 75 percent / acetone / 40 h / 40 &deg;C<br />2: NaBH₄, glacial AcOH / ethanol / 3 h / Ambient temperature<br />3: HCl / ethanol / 3 h / Heating<br /> <br /> &nbsp;