Electrochemical and Chemical Reduction
of Pyridyl-Substituted Pyrrolidinofullerenes

N. F. Gol’dshleger^{a, z}, A. N. Lapshin^a, E. I. Yudanova^a,
N. M. Alpatova^b,z, and E. V. Ovsyannikova^b

^a Institute of Problems of Chemical Physics,
Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia
^b Frumkin Institute of Physical Chemistry and Electrochemistry,
Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119071 Russia

Received April 8, 2005

Abstract—Using cyclic voltammetry, it is shown that formal reduction potentials of pyridyl-substituted pyrro-
lidinofullerenes are shifted to negative values as compared with formal potentials of the corresponding redox-
transitions of C₆₀, which indicates weakening of the acceptor properties of the fullerene fragment. NIR spec-
trophotometric and EPR spectroscopic studies show that cis-2',5'-di-(4-pyridinyl)pyrrolidino-
[3',4':1,2][60]fullerene is reduced with 1,8-diazobicyclo[5.4.0]undec-7-ene and morpholine to give a radical
anion.

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