1: With trifluoroacetic anhydride T=100°C; 2 h; 2: With hydrogenchloride in water T=100°C; 2 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11403824', constants.ctx, '0')">silver hexafluoroantimonate</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '14253791', constants.ctx, '0')">{RuCl₂(1-methyl-4-(1-methylethyl)benzene)}₂</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '8129999', constants.ctx, '0')">silver(l) oxide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=110&deg;C;&nbsp;16&nbsp;h;&nbsp;&nbsp;Inert atmosphere;&nbsp;&nbsp;regioselective reaction;&nbsp;<br /> &nbsp;