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Supramolecular assemblies built with host-stabilized charge-transfer interactions

2006; Royal Society of Chemistry; Issue: 13 Linguagem: Inglês

10.1039/b615103e

1364-548X

Young Ho Ko, Eun‐Ju Kim, Ilha Hwang, Kimoon Kim,

Porphyrin and Phthalocyanine Chemistry

Host-stabilized charge-transfer (CT) interactions and supramolecular assemblies built with these interactions are described. A variety of supramolecular assemblies including polyrotaxanes, molecular necklaces, and rotaxane dendrimers were synthesized through the intramolecular or intermolecular host-stabilized CT complex formation using cucurbit[8]uril (CB[8]) and D-A molecules having both electron-donor and electron-acceptor units connected by various types of linkers. Applications, including the design and synthesis of redox-driven molecular machines such as molecular loop locks, development of redox-controllable vesicles and detection of biologically important molecules, are also described.