dicobalt octacarbonyl in acetonitrile T=150°C; P=51485.6 Torr; Yield given. Yields of byproduct given;

n-butyllithium; diisopropylamine 1.) THF, 20percent HMPA, hexane, -78 deg C, 30 min, 2.) -78 deg C, 1.5 h; warm to 25 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given;

lithium diisopropyl amide 1) THF, -78 deg C, 30 min 2) a) -78 deg C, 1h b) room temperature 3) reflux, 1h; Yield given. Multistep reaction;