spirodiene and iron was kept under vac. at -196°C for 0.5 h, warmed to room temp.; evapd., extrd., chromd. (silica gel);

in neat (no solvent) byproducts: ethane, ethylene, butane; Hg-compd. and ferrocene introducing into glass ampul, cooling with liq.nitrogen, evacuation down to 0.01 mm, sealing, placing in air thermostat, heating for 2 h (decompn. start at 255°C); monitoring by DTA; ferrocene derivatives dissoln. (acetone or heptane),column chromy. (column temp. 160°C, vaporizer temp. 300°C); mass spectroscopy;

in neat (no solvent) thermal decomposition at 260, 300, 340°C;

in benzene reaction of in situ generated ethyl radicals with benzene soln. of ferocene (200°C, sealed evac. ampul); further products and higher homologs of allylferrocene; mass spectroscopy, chromy.;

spirodiene and iron was kept under vac. at -196°C for 0.5 h, warmed to room temp.; evapd., extrd., chromd. (silica gel);

in not given ligand exchange reation;;