n-butyllithium in diethyl ether; hexane byproducts: LiCl; to soln. of sylvane in ether 1.5 N soln. of LiBu in hexane added dropwise; allowed to stand at room temp. for 4 h; cooled to -15°C; soln. of (CH3)3GeCl in ether added; allowed to stand overnight at room temp.; LiCl filtered off; solvent removed; distd. in vac.;

hydrogen; nickel in ethanol T=70°C; P=3000.2 Torr; 10 h; Yield given;

hydrogen; nickel in ethanol High Pressure; at 4 MPa H2-pressure and 70°C, reaction times between 5 and 10 h;

hydrogen; nickel in ethanol High Pressure; at 4 MPa H2-pressure and 70°C, reaction times between 5 and 10 h;