n-butyllithium; N,N,N',N,-tetramethylethylenediamine 1.) pentane, hexane, a) RT, overnight, b) reflux, 24 h, 2.) pentane, hexane, RT, overnight; Yield given. Multistep reaction;

potassium 1.) THF, 0 deg C, 1 h, 2.) THF, RT, 3 h; Yield given. Multistep reaction;