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Issue 2, 2000
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Thermodynamic study of the complexes of calix[4]naphthalenes with [60]fullerene in different solvents

Shehadeh Mizyed,a  Paris E. Georghiou*a  and  Muhammad Ashramb 
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* Corresponding authors

a Department of Chemistry, Memorial University of Newfoundland, Newfoundland, St. John’s, Canada

b Department of Chemistry, Mu’Tah University, Al-Karak, Jordan

Abstract

Calix[4]naphthalenes are a class of molecules which possess deeper cavities than those of the analogous calix[4]arenes. Preliminary data obtained for the complexation of [60]fullerene (“C60”) with the C4-symmetrical endo-calix[4]naphthalene 3 and its tert-butyl-substituted derivative 4 show that they form supramolecular 1∶1 complexes with C60 in benzene, toluene or CS2 solution with relatively high association equilibrium constants (Kassoc). Reported herein are thermodynamic parameters and additional Kassoc determined for the complexation of C60 and calix[4]naphthalenes 3 and 4 which show that both a solvophobic effect and π–π interactions are major driving forces for the complexation process.

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Publication details

The article was received on 24 Sep 1999, accepted on 22 Nov 1999 and first published on 28 Jan 2000


Article type: Paper
DOI: 10.1039/A907733B
Citation: J. Chem. Soc., Perkin Trans. 2, 2000,0, 277-280
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    Thermodynamic study of the complexes of calix[4]naphthalenes with [60]fullerene in different solvents

    S. Mizyed, P. E. Georghiou and M. Ashram, J. Chem. Soc., Perkin Trans. 2, 2000, 0, 277
    DOI: 10.1039/A907733B

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