1: With sec.-butyllithium in tetrahydrofuran T=-78 - 0°C; 0.833333 h; 2: With bis(benzenesulfonyl)fluoromethane in tetrahydrofuran T=-78 - 20°C; 2.5 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1098214', constants.ctx, '0')">hydrogenchloride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=20&deg;C;&nbsp;1.5&nbsp;h;&nbsp;&nbsp;Inert atmosphere;&nbsp;<br /> &nbsp;