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Cucurbituril-Containing Topology Supramolecular Self-assembly

Author: LiuLeLe
Tutor: WangQiaoChun
School: East China University of Science and Technology
Course: A fine synthetic chemistry and Molecular Engineering
Keywords: Supramolecular chemistry Molecular triangle Molecular hexagon Self-assemble Cucurbit[n]uril
CLC: O641.3
Type: Master's thesis
Year: 2012
Downloads: 36
Quote: 0
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Abstract


Supramolecular is a kind of highly complex system formed by two or more compounds through intermolecular non-covalent bond. In a supramolecular system, each component maintains some of its inherent physical and chemical properties, while it also shows several overall functions by the interaction with other components. Artificial coordination-driven self-assembly of functionalized supramolecular metallacycles supramolecular systems have great potential value in the field of molecular recognition、chemosensing、cavity controlled catalysis、biological applications.A kind of containing-cucurbituril molecular hexagon was designed in charpterⅡ. 4,4’-(naphthalene-2,7-diyl)bis(1-(cyanomethyl)pyridin-1-ium)dibromide combines with Cuc-urbit[n]uril(n=6,7) through H-bonding and ion-(?) dipole to achieve self-assembled molecular hexagon.We discussed the self-assembly between guest compound and CB[6]、CB[7], respectively. Unfortunately, the lack of appropriate characterization lead to Molecular hexagon is not observed.In charpterⅢ, a cucurbituril-containing molecular triangle was reported. The molecular triangle is formed by 4,4’-(naphthalene-1,7-diyl)bis(1-(cyanomethyl)pyridin-1-ium)dibromide and CB[7]. Up to this time, the desired performance aren’t achieved, so we need find appropriate methods to characterize target molecular.

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CLC: > Mathematical sciences and chemical > Chemistry > Physical Chemistry ( theoretical chemistry ),chemical physics > Structural Chemistry > Molecular interactions,supramolecular chemistry
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