in diethyl ether Me3SiCH2Cl added to a suspn. of excess lithium in Et2O at -23°C,vigorously stirred for 2,5 h, Me3GeCl added; warmed to room temp.; diluted (Et2O); washed satd. soln. of NH4Cl; dried over Na2SO4; solvent evapd.; distd.;

in diethyl ether Ar atmosphere; refluxing (2 h); hydrolysis (aq. HCl), extn. (ether), drying (Na2SO4), distn.; elem. anal.;