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, 73 (7), 2931-4

A C78 Fullerene Precursor: Toward the Direct Synthesis of Higher Fullerenes

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A C78 Fullerene Precursor: Toward the Direct Synthesis of Higher Fullerenes

Konstantin Yu Amsharov et al. J Org Chem.

Abstract

A C78 fullerene related structure (of C78:1 and C78:4, the last undiscovered C78 IPR isomer) has been synthesized and investigated as a pyrolytic precursor. The pyrolysis of precursor containing all 78 carbon atoms in the required positions and 93 of the 117 C-C bonds, needed for fullerene formation, showed selectivity for C78 fullerene formation. In independent experiments it has been shown that the flash pyrolysis of C78 fullerene is not affected by Stone-Wales rearrangement and loss of C2 fragments and, thus, is very promising for the synthesis of individual isomers of higher fullerenes.

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