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Pure Appl. Chem., 2001, Vol. 73, No. 2, pp. 275-278

Fullerenes covalently linked to transition metals with organic ligands

Viatcheslav I. Sokolov*, Marina N. Nefedova, Tatiana V. Potolokova and Vasily V. Bashilov

Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 117813 Moscow, Russian Federation

Abstract: Synthesis of molecules combining both fullerene and metallocene moieties separated by some spacer is discussed in connection with the possible intramolecular charge transfer. Two new kinds of spacers, =CH-CO- and -Pd-P-, have been introduced by using the corresponding reactions. Reaction of diazoacetyl ferrocene and cymantrene with C60 has been studied in detail and products characterized. 1,1'-Bis (diazoacetyl) ferrocene gave with C60 1:1 adduct to which the ansa-structure has been assigned on the basis of 1H and 13C NMR spectra. Palladium-h2-C60 complex with a bidentate ferrocenyl diphosphine as a ligand has been also prepared.