CH3Li in tetrahydrofuran; diethyl ether byproducts: LiCl; (Ar); addn. of CH3Li-diethyl ether to tris(trimethylsilyl)methane in THF and diethylether at 0°C, stirring overnight at room temp., 3 h reflux, addn. of ZnCl2 at 0°C, stirring 2 d at room temp.; filtration, distn. of solvents; recrystn. (2 times, n-pentane) yielded Zn(C(SiMe3)3)2, removal of solvent from residues of crystn. and distn. yielded MeZn(C(SiMe3)3), elem. anal.;

in tetrahydrofuran; diethyl ether addn. of TsiH in dry THF to MeLi in ether, stirred, 20h, 20°C, then reflux, 30min, dropwise addn. of anhydrous ZnCl2 (dried with thionylchloride and at 110°C) to refluxing soln., further reflux, 5h, solvent removed; addn. of hexane, addn. of saturated soln. of NH4Cl, organic layer driedwith MgSO4, pptn. by addn. of MeOH;