A cyclic porphyrin trimer as a receptor for fullerenes.

Guzman Gil-Ramirez, Guzmán Gil-Ramírez, Steven D Karlen, Atsuomi Shundo, Kyriakos Porfyrakis, Yasuhiro Ito, G Andrew D Briggs, John J L Morton, Harry L Anderson

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A cyclic porphyrin trimer has been synthesized which has a high affinity for fullerenes. It forms 1:1 complexes with C(60) and C(70) with association constants of 2 x 10(6) and 2 x 10(8) M(-1), respectively, in toluene. Its affinities for C(86) and La@C(82) 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.
    Original languageEnglish
    JournalOrganic Letters
    Volume12
    Issue number15
    DOIs
    Publication statusPublished - 6 Aug 2010

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