1: 48 percent / aq. (NH4)2Ce(NO3)6 / acetonitrile / 0.5 h / 0 - 3 °C 2: 15 percent / AgO / dioxane / 0.33 h / 25 °C View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 20 percent / thionyl chloride / pyridine / a) 0 deg C, 6 h, b) RT, overnight<br />2: 95 percent / Mg / diethyl ether; tetrahydrofuran / 1 h / 0 &deg;C<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209227', constants.ctx, '0')">n-butyllithium</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '1732991', constants.ctx, '0')">N,N,N',N,-tetramethylethylenediamine</a> <br />&nbsp;1.) hexane, 0 deg C, 2 h, 2.) hexane, 25 deg C, 16 h;&nbsp;&nbsp;Yield given. Multistep reaction;&nbsp;<br /> &nbsp;