(C2H5)3N in toluene byproducts: (C2H5)3NHCl; slow dropwise addn. of (C6H5)4Ge2Cl2 (in toluene) to soln. of (HO)2Ge(C(CH3)3)2 and N(C2H5)3 in toluene; stirring (room temp./1-2 h);; filtration from (C2H5)3NHCl; concn.; recrystn. (petroleum ether); removal of (C6H5)8Ge4O2 by fractionated crystn.; elem. anal.;;

1: neat (no solvent) 2: water; acetone View Scheme

in water; acetone byproducts: AgCl; molar ratio AgNO3/digermane = 2/1;