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Paper | Regular issue | Vol 89, No. 4, 2014, pp.971-980
Published online, 13th March, 2014
DOI: 10.3987/COM-13-12915
Synthesis and Photophysical Properties of New Pyrazolino[60]fullerenes with Fluorenyl and Fluorinated Phenyl Substituents

Subo Shen, Shanshan He, Haonan Cheng, Changrui Xu, Hongmei Deng, and Jianmin Zhang*

*Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver B.C., V6T 1Z1, Canada


Two types of triads based on Pyrazolino[60]fullerenes with fluorenyl and fluorinated phenyl substituents have been synthesized via the [3+2] dipolar cycloaddition reaction between C60 and corresponding hydrazones in good yields. Photophysical properties of these triads have also been systematically investigated, and their weak emissions indicated fluorescent quenching induced by intramolecular charge transfer may occur between the donor and acceptor parts of these systems.