in acetonitrile byproducts: MeCN; using Schlenk techniques; soln. of Ph3GeH in MeCN added to soln. of Ph3GeCH2CN in MeCN; sealed; heated at 85°C for 48 h; volatiles removed in vac.; distd. in Kugelrohr oven (180°C, 0.05 torr); elem. anal.;