in tetrahydrofuran byproducts: H2; Pb complex in THF added dropwise to a stirred soln. of Al complex in dryTHF, reacted at room temp. for 24 h; concd., recrystd.(THF) at 4°C, elem. anal.;

in tetrahydrofuran byproducts: H2; Pb complex in THF treated with 2 equiv. of Al complex;

in tetrahydrofuran byproducts: H2; Pb complex in THF treated with 2 equiv. of Al complex;

in toluene cooling of tert-butanol in toluene to -30°C, slow addn. of plumbetidine in toluene, warming to room temp.; evapn. of solvent and silane at 1E-4 Torr, crystn. from benzene, elem. anal.;

in toluene byproducts: Pb; under N2; to the SiPb-compound was added slowly the aminosilane under stirring at 0°C; warmed to room temperature within 1 h; filtered; crystallized; elem. anal.;