tetrabutyl ammonium fluoride in N,N,N',N',N'',N''-hexamethylphosphoric triamide byproducts: Me3GeH; (Ar); stirring at room temp. for 4.5 h in hexamethylphosporamide (HMPA); addn. of HCl/MeOH; mixed with ether; washed with water and aq. NaCl-soln.; dried over MgSO4; concd.; chromd. on silica gel column (hexane/ethyl acetate); elem. anal.;
