in diethyl ether byproducts: Li(CH3CO2); under N2-atm. stirred at room temp. for 3d; solvent removed; extn. with toluene; elem. anal.; X-ray powder diagram;

in diethyl ether byproducts: LiCl; under N2-atmosphere stirred at room temp. for 30min; solvent removed; recrystn. in toluene/hexane; elem. anal.; X-ray powder diagram;