Harnessing Electron Transfer from the Perchlorotriphenylmethide Anion to Y@C 82 ( C 2 v ) to Engineer an Endometallofullerene‐Based Salt

Abstract We show that electron transfer from the perchlorotriphenylmethide anion (PTM − ) to Y@C 82 ( C 2 v ) is an instantaneous process, suggesting potential applications for using PTM − to perform redox titrations of numerous endohedral metallofullerenes. The first representative of a Y@C 82 ‐bas...

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Published in:Chemphyschem 2013-06, Vol.14 (8), p.1670-1675
Main Authors: Kareev, Ivan E., Laukhina, Elena, Bubnov, Vyacheslav P., Martynenko, Vyacheslav M., Lloveras, Vega, Vidal‐Gancedo, José, Mas‐Torrent, Marta, Veciana, Jaume, Rovira, Concepció
Format: Article
Language:English
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Summary:Abstract We show that electron transfer from the perchlorotriphenylmethide anion (PTM − ) to Y@C 82 ( C 2 v ) is an instantaneous process, suggesting potential applications for using PTM − to perform redox titrations of numerous endohedral metallofullerenes. The first representative of a Y@C 82 ‐based salt containing the complex cation was prepared by treating Y@C 82 ( C 2 v ) with the [K + ([18]crown‐6)]PTM − salt. The synthesis developed involves the use of the [K + ([18]crown‐6)]PTM − salt as a provider of both a complex cation and an electron‐donating anion that is able to reduce Y@C 82 ( C 2 v ). For the first time, the molar absorption coefficients for neutral and anionic forms of the pure isomer of Y@C 82 ( C 2 v ) were determined in organic solvents with significantly different polarities.
ISSN:1439-4235
1439-7641
DOI:10.1002/cphc.201300107