in hexane Irradiation (UV/VIS); irradn. with a medium-pressure Hg-lamp for 10 min;

in hexane Irradiation (UV/VIS); further products;

in hexane Irradiation (UV/VIS); further products;

in benzene Irradiation (UV/VIS); irradn. with a medium-pressure Hg-lamp for 10 min;

in hexane Irradiation (UV/VIS); further products; irradn. with medium-pressure Hg-lamp for 1.5 h under Ar; preparative GLC;

in methanol; acetonitrile 1 h; Irradiation; Title compound not separated from byproducts;

magnesium in tetrahydrofuran byproducts: MgBr2; Sonication; the mixt. of magnesium, germane and halogen-compound in THF was sonicated for 2 h (inert atm.); the mixt. was washed with satd. soln. of NaCl, extd. with diethyl ether,the organic layer was dried over MgSO4, the solvent was removed under r educed pressure, column chromy. (petroleum ether-diethyl ether 95/5);

in diethyl ether addn. of Et3GeBr soln. to a soln. of benzylmagnesium bromide, refluxingovernight; hydrolyzing (ice, aq. HCl), column chromy. (silica gel, hexane), fractional distn;

in methanol at room temp. 4 days; hydrolysis of reaction mixture; detected by GC-MS and NMR;

in benzene Kinetics; byproducts: bibenzyl; 2 equivs. PhCH2Cl, room temp.; in magnetic field (60-7000 G); not isolated, product distribution (depending on field intensity) detd.by (1)H-NMR spectroscopy;