in tetrahydrofuran
(Ar); soln. of Mg compd. in THF was added dropwise to soln. of Ge compd.in THF; stirred at 45°C for 24 h; washed (H2O, Et2O); dried (CaCl2); distd.;
Dominguez, Zaira; Dang, Hung; Strouse, M. Jane; Garcia-Garibay, Miguel A.
Journal of the American Chemical Society, 2002 , vol. 124, # 26 p. 7719 - 7727
