triethylamine; pyridinium chlorochromate in dichloromethane T=20°C;

Stage #1: <b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '4948473', constants.ctx, '0')">magnesium</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=20 - 85&deg;C;&nbsp;2&nbsp;h;&nbsp;<br />Stage #2: &nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=0 - 20&deg;C;&nbsp;&nbsp;Inert atmosphere;&nbsp;<br /> &nbsp;