lithium diisopropyl amide in diethyl ether T=-20°C;

water; lithium 1.) diethyl ether, 15 deg C, 10 min, 2.) diethyl ether; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

N,N,N',N,-tetramethylethylenediamine; lithium 1.) diethyl ether, 15 deg C, 10 min, 2.) diethyl ether, a) from -40 deg C to RT, b) reflux, 30 min; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;