in benzene N2-atmosphere; slight excess of Si-compd., stirring (21°C, 24 h); evapn. (vac., cooling to just above freezing), dissoln. in hexane, standing at -30°C for several d, filtration off of Fe3(CO)12 (-30°C), evapn. of filtrate (low temp., vac.), distn. (0.001 Torr, probe at 0°C); elem. anal.;

in benzene N2-atmosphere; slight excess of Si-compd., stirring (21°C, 24 h); evapn. (vac., cooling to just above freezing), dissoln. in hexane, standing at -30°C for several d, filtration off of Fe3(CO)12 (-30°C), evapn. of filtrate (low temp., vac.), distn. (0.001 Torr, probe at 0°C); elem. anal.;

Heating; Yield given. Yields of byproduct given;

Heating; Yield given. Yields of byproduct given;

Heating; Yield given. Yields of byproduct given;