反应条件
in tetrahydrofuran all manipulations under N2 atm.; calcd. amt. of metal chloride added to soln. of Hf complex in THF at 25°C, mixt. stirred at 25°C for 4 h; volatiles removed under vac., residue dissolved in Et2O/n-pentane (2/1),filtered through kieselgur, chromy. (kieselgel, n-pentane, -20°C ), evapd.;
参考文献
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, , vol. 59, # 11-12 p. 1185 - 1191
