in diethyl ether byproducts: LiCl; soln. of LiMe added (Ar, -78°C, 10 min period) to soln. of complex, stirred 15 h; warmed (-10°C), Et2O distilled (vac.), residue extd. (pentane), filtered (sintered glass frit), ppt. extd., filtered, distilled (vac.), receiver cooled to -196°C); detn. by 1H NMR;

in benzene stirred, room temp.; not isolated, 1H NMR;