titanium tetrachloride in dichloromethane 1) 0 deg C, 2) 20 deg C, l h;

Stage #1: <a href="#" onclick="return RXDsubstances(event, this, '1771444', constants.ctx, '0')">glutaric acid dimethyl ester</a> <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '906717', constants.ctx, '0')">lithium diisopropyl amide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=-78&deg;C;&nbsp;2&nbsp;h;&nbsp;&nbsp;Inert atmosphere;&nbsp;<br />Stage #2: <a href="#" onclick="return RXDsubstances(event, this, '1209232', constants.ctx, '0')">chloro-trimethyl-silane</a> T=-78 - 20&deg;C;&nbsp;&nbsp;Inert atmosphere;&nbsp;<br /> &nbsp;