silver hexafluoroantimonate; phloroglucinol trimethyl ether in dichloromethane T=40°C; 17 h;

<b>Multi-step reaction with 2 steps<br /> </b>1.1: sodium hydride / tetrahydrofuran; mineral oil / 0.33 h / 0 &deg;C<br />1.2: 20 &deg;C<br />2.1: pyridine / dichloromethane / 2 h<br /> <br /> &nbsp;