in acetonitrile byproducts: HNMe2; High Pressure; under inert atm. to soln. Bu3GeNMe2 in MeCN soln. Me3GeH in MeCN was added and heated in tube sealed with Teflon plug at 85°C for 48 h; soln. was allowed to cool, volatiles were removed in vacuo, residue was distilled in Kugelrohr oven (85°C, 0.05 Torr); elem. anal.;