Divya, Kizhumuri P. ; Sreejith, Sivaramapanicker ; Suresh, Cherumuttathu H. ; Ajayaghosh, Ayyappanpillai (2010) Conformational control in a bipyridine linked π-conjugated oligomer: cation mediated helix unfolding and refolding Chemical Communications, 46 (44). p. 8392. ISSN 1359-7345
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Official URL: http://doi.org/10.1039/C0CC03287E
Related URL: http://dx.doi.org/10.1039/C0CC03287E
Abstract
A chiral π-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 Zn2+ defolding of the helical conformation occurs. Upon decomplexation of the cation with EDTA, the helical conformation is regained.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry |
| ID Code: | 127460 |
| Deposited On: | 13 Oct 2022 10:48 |
| Last Modified: | 13 Oct 2022 10:48 |
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