Gas Phase Derivations of Endohedral Metallofullerenes by Ion-Molecular Reactions

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Abstract
Gas phase ion-molecular reactions of endohedral metallofullerenes with the self-chemical ionization ion system of vinyl acetate, benzene and acetone in the ion source of the mass spectrometer have been studied. Several derivatized endohedral metallofullerene cations [M@C82-C2H3O]+, [M2@C80-C2H3O]+, [M@C82-C6H6]+ and [M@C82-CO-CH3]+ are observed as the major products. The experimental results indicate that endohedral metallofullerenes have active gas phase reactivities and can be efficiently derivatized by some small organic cations.