aluminium trichloride other Radiation; a mixt. of GeCl4 and tetraalkylgermane in presence of AlCl3 as catalystin a Pyrex tube is irradiated with a light stream of argon for 30 min at atmospheric pressure (microwave irradiation: 300 W) (Ar); identification by (1)H-NMR, gas chromy.;

in cyclohexane Kinetics; byproducts: CCl3CCl3; Irradiation (UV/VIS); photolysis of Ge-compd. in cyclohexane in the presence of CCl4 at 245 nm at room temp. for 30 min with a 110 W low pressure Hg arc lamp;

sodium hydroxide in water treatment of dibutylgermanium dichloride with 20percent aq. NaOH and then with48percent aq. HBr according to: H.H. Anderson, J. Am. Chem. Soc. 73 (1951) 54 40-5441;

in not given according to Berning D.E., et al., J. Am. Chem. Soc., 1999, 121, 11432;