in diethyl ether T=0 - 20°C;

CH3NH2 in diethyl ether at -15°C;;

in diethyl ether 1 h; Heating;

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.;