hydrogenchloride in water; acetone T=20°C; 48 h;

<b>Multi-step reaction with 2 steps<br /> </b>1.1: 82 percent / triethylamine / CH₂Cl₂ / 24 h<br />2.1: NaH / tetrahydrofuran / 0 - 20 &deg;C<br />2.2: 65 percent / tetrahydrofuran / 36 h / Heating<br /> <br /> &nbsp;