Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/1259
Title: Conformational control in a bipyridine linked pi-conjugated oligomer: Cation mediated helix unfolding and refolding
Authors: Divya, K P
Sreejith, S
Suresh, C H
Ajayaghosh, A
Keywords: Nonbiological oligomers
Coil transition
Issue Date: 2010
Publisher: Royal Society of Chemistry
Citation: Chemical Communications 46(44):8392-8394;2010
Abstract: A chiral pi-conjugated oligomer having alternate bipyridine and carbazole moieties connected through acetylinic bonds undergoes helical folding in chloroform-acetonitrile (40/60, v/v) as evident by fluorescence and circular dichroism changes. In the presence of transition metal cations such as Zn(2+) defolding of the helical conformation occurs. Upon decomplexation of the cation with EDTA, the helical conformation is regained.
ISSN: 1359-7345
Appears in Collections:2010

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