hydrogenchloride; tert.-butyl lithium 1.) THF, pentane, -65 deg C, 10 min; 2.) THF, pentane, -70 deg C, 20 min, then 0 deg C, 20 min; 3.) THF, pentane, water,; Yield given. Multistep reaction;

lithium diisopropyl amide; methyl iodide 2.) 70 deg C, 14 h; Yield given. Multistep reaction;

hydrogenchloride; tert.-butyl lithium 1.) THF, pentane, -75 deg C, 10 min; 2.) THF, pentane, -70 deg C, 16 h, then 0 deg C, 20 min; 3.) THF, pentane, water,; Yield given. Multistep reaction;

tert.-butyl lithium in pentane T=-75°C;

hydrogenchloride; tert.-butyl lithium 1.) THF, pentane, -75 deg C, 10 min; 2.) THF, pentane, -70 deg C, 20 min, then 0 deg C, 20 min; 3.) THF, pentane, water,; Yield given. Multistep reaction;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605283', constants.ctx, '0')">triethylamine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1696894', constants.ctx, '0')">diethyl ether</a> <br /> <br /> &nbsp;