Citation:
YIN Wei, ZHANG Xiu-Lian, ZHANG Mai-Sheng. Study on Supramolecular System of the Host CP66 with Naphthalene Derivatives[J]. Chinese Journal of Applied Chemistry,
;2001, 18(6): 457-461.
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The supramolecular systems of the host 1,8,22,29-tetra [8.1.8.1]-paracyclophane (CP66) with T-naphthol, U-naphthol, 2, 6-dihydroxyl naphthalene and 6,7-dihydroxyl naphthalen-2-sulfonic acid as guests have been studied by UV spectrometry, fluorescence probe and synchronous fluorimetry. The CP66 formed 1:1 stoichiometric supramolecular system for all naphthalene compounds. The complex formation reactions of CP66 with T-naphthol, 2,6-dihydroxyl naphthalene were enthalpy promoted, while the reactions of CP66 with U-naphthol and 6,7-dihydroxyl naphthalen-2-sulfonic acid were entropy promoted. The unchanged values of the constant Ks shows that the main contribution to the formation of supromolecular systems of the CP66 with 6,7-dihydroxyl naphthalene-sulfonic acid arises from the electrostatic attraction. The host CP66 is found to recognize the isomer of naphthol by using a fluorescence probe.
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