Journal
CHEMICAL COMMUNICATIONS
Volume 46, Issue 44, Pages 8392-8394Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc03287e
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Funding
- Department of Atomic Energy, Government of India
- Council of Scientific and Industrial Research (CSIR), Government of India
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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 Zn2+ defolding of the helical conformation occurs. Upon decomplexation of the cation with EDTA, the helical conformation is regained.
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