Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/71437
標題: Two 2 pseudorotaxane-like complexes and their corresponding 2 rotaxanes stabilized via interactions on opposite ends of the same macrocycle
作者: Hung, W.C.
Wang, L.Y.
Lai, C.C.
Liu, Y.H.
Peng, S.M.
Chiu, S.H.
關鍵字: molecular switch;template;anions;ether;ions
Project: Tetrahedron Letters
期刊/報告no:: Tetrahedron Letters, Volume 50, Issue 3, Page(s) 267-270.
摘要: 
A multiple-use macrocycle recognizes dibenzylammonium ions and 2,6-lutidine derivatives, each in a [2]pseudorotaxane-like manner, through interactions with its diethylene glycol (hydrogen bonding) and 2,6-pyridinedicarboxamide (Pd(2+) chelation) spacers, respectively. We characterized these complexes in the solid state (X-ray crystallography) and in solution ((1)H NMR spectroscopy). The synthesis of two corresponding [2]rotaxanes confirmed that these recognition systems possess [2]pseudorotaxane geometries in solution. (C) 2008 Elsevier Ltd. All rights reserved.
URI: http://hdl.handle.net/11455/71437
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2008.10.153
Appears in Collections:期刊論文

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