Synthesis of water-soluble 2-alkylcyclodextrin-C60 conjugates and their inclusion complexation in aqueous solution |
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| Authors: | Yong Chen André Rassat Pierre Sinaÿ Yongmin Zhang |
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| Institution: | a Ecole Normale Supérieure, Département de Chimie, associé au CNRS, 24 rue Lhomond, 75231 Paris Cedex 05, France
b ZJU-ENS Joint Laboratory of Medicinal Chemistry, Zhejiang University, Hangzhou 310031, China |
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| Abstract: | Two β-cyclodextrin-C60 conjugates (3 and 4) with a flexible linker at the secondary face of cyclodextrin are synthesized by a single reaction of 2-(ω-azidoundecanyl)-2-O-heptakis (2,3,6-tri-O-methyl)-β-cyclodextrin (2) and C60, both of which display satisfactory water solubility. Structural analyses show that 3 is a closed 5,6] aziridinofullerene, whereas 4 is a bis-adduct derivative. Using rhodamine B (RhB) as a guest molecule, the inclusion complexation behavior of 3 was investigated in aqueous solution. |
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| Keywords: | Fullerene C60 Cyclodextrin Conjugate Rhodamine B |
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