A cyclic porphyrin trimer as a receptor for fullerenes

Gil-Ramírez, Guzmán and Karlen, Steven D. and Shundo, Atsuomi and Porfyrakis, Kyriakos and Ito, Yasuhiro and Briggs, G. Andrew D. and Morton, John J. L. and Anderson, Harry L. (2010) A cyclic porphyrin trimer as a receptor for fullerenes. Organic Letters, 12 (15). pp. 3544-3547. ISSN 1523-7060

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Item Type:Article
Item Status:Live Archive

Abstract

A cyclic porphyrin trimer has been synthesized which has a high affinity for fullerenes. It forms 1:1 complexes with C60 and C70 with association constants of 2 × 106 and 2 × 108 M−1, respectively, in toluene. Its affinities for C86 and La@C82 are too strong to measure by fluorescence titration. The solvent dependence of the association constants shows that solvation of both the guest and the host influence the binding strength.

Keywords:Fullerenes, Complexes, Binding strength
Subjects:F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Chemistry
ID Code:22723
Deposited On:25 Mar 2016 18:57

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