sodium in benzene

14 h; Heating;

n-butyllithium; chloro-trimethyl-silane; ethanol 1.) 1.) THF, hexane, -78 deg C, 5 min, 2.) THF, -78 deg C, 30 min, 3.) -78 deg C to 0 deg C, 30 min; Yield given. Multistep reaction;