in toluene byproducts: (CH3)2NH; (N2); using Schlenk techniques; heating of mixt. of MeN(CH2CH2OH)CH2CH(Ph)OH + MeN(CH2CH2OH)CH(Ph)CH2OH, Me2Ge(NMe2)2 and toluene at 70°Cfor 15 h; removal of all volatile materials under reduced pressure, drying in vac., elem. anal.; as mixt.;

in toluene byproducts: (CH3)2NH; (N2); using Schlenk techniques; heating of mixt. of PhN(CH2CH2OH)2, Me2Ge(NMe2)2 and toluene at 70°C for 15 h; slow evapn. in vac., elem. anal.;