Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/71419
標題: Bis-p-xylyl 26 crown-6/pyridinium ion recognition: one-pot synthesis of molecular shuttles
作者: Huang, Y.L.
Lin, C.F.
Cheng, P.N.
Lai, C.C.
Liu, Y.H.
Peng, S.M.
Chiu, S.H.
關鍵字: crown ether
molecular shuttle
pyridinium ion
rotaxane
complexation
paraquat
machines
hosts
期刊/報告no:: Tetrahedron Letters, Volume 49, Issue 10, Page(s) 1665-1669.
摘要: Simple one-pot syntheses allow the preparation of [2]rotaxane-based degenerate molecular shuttles featuring the recognition of pyridinium ions by BPX26C6 macrocycles. Because of the weak interactions between the BPX26C6 and pyridinium units in the [2]rotaxanes in CD(3)COCD(3), the rates of shuttling of the BPX26C6 moieties between the pyridinium stations are rapid, relative to those of DB24C8-based shuttles, on the NMR spectroscopic time scale at ambient temperature. (c) 2008 Elsevier Ltd. All rights reserved.
URI: http://hdl.handle.net/11455/71419
ISSN: 0040-4039
文章連結: http://dx.doi.org/10.1016/j.tetlet.2008.01.020
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