in diethyl ether (N2); dropwise addn. (1 h) of a soln. of methyllithium into the soln. of GeCl3CH2Cl at -70 °C under vigorous stirring; addnl. stirring (1.5 h); then standing the mixt. until room temp. was reached and addnl. stirring for 16 h;; filtration; then distg. the solvent off from the filtrate; vacuum distn.;