in further solvent(s) (Ar); Ge-compound added to a suspn. of LiAlH4 in ethyl ether; stirred for 12-72 h at room temp.; decanted; added water; washed with water; dried; filtered; evapd.; distd.;

Bu2Hg in benzene 48 h at room temperature, Hg precipitated, butadiene was added, heated at 100°C for 2 h in sealed tube; distillation, pptn. with pentane at -30°C;

in toluene hydrogermane mixed with 2 equiv. of CuCl2 in toluene under reflux for 19h; solvent evapd., distilled under reduced pressure;

in neat (no solvent) byproducts: N2, ClCH2CO2CH2CH3; 1 equiv of diazoester adding slowly to an equimolar mixt. of Ge and Sn deriv. to result in exothermic reaction with N2 evolution; after 4 h at 20°C concg., diene ligand adding, heating in a sealed tube for 12h at 120°C; analyzed by gas chromy. and NMR spectroscopy;

in neat (no solvent) equimolar mixt. of reagents allowing to stand for 5 h at 20°C; analyzed by gas chromy. and NMR spectroscopy;

in tetrahydrofuran inert atmosphere; -20°C (20 min), then stirring (20°C, 2 h); hydrolysis, extn., concentration (vac.);

in not given byproducts: LiCl, (PhGeH)n, PhHGeClLi; Addn. of Ph2GeHLi to PhClGeH2.; Spect. identified.;

in tetrahydrofuran inert atmosphere; -20°C (20 min), then stirring (20°C, 2 h); hydrolysis, extn., concentration (vac.); elem. anal.;

in tetrahydrofuran inert atmosphere; -20°C (20 min), then stirring (20°C, 2 h); hydrolysis, extn., concentration (vac.);