in tetrahydrofuran soln. of PhSeBr in THF added under Ar or N2 to a soln. of the Ge compd. in THF, mixt. stirred at 20°C for 30 min; mixt. evapd. (vac.), residue dissolved in ether, soln. left in a refrigerator (-20°C) for 3 h, filtered, filtrate evapd., fractional crystn. from ether/hexane (2:1) in -20°C;
参考文献
Zeitschrift fuer Naturforschung, B: Chemical Sciences, , vol. 47, # 4 p. 558 - 562
