Self-assembly of a ternary architecture driven by cooperative Hg2+ ion binding between cucurbit[7]uril and crown ether macrocyclic hosts |
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| Authors: | Chernikova Ekaterina Berdnikova Daria Fedorov Yuri Fedorova Olga Peregudov Alexander Isaacs Lyle |
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| Affiliation: | A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russian Federation. |
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| Abstract: | A novel supramolecular assembly comprising CB[7], styrylpyridinium dye (1) and Hg(2+) forms in aqueous solution based on the hydrophobic effect and metal-ligand and ion-dipole interactions. The binding of Hg(2+) to 1·CB[7] displays positive cooperativity relative to 1 itself. |
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