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Diametrically disubstituted cyclam derivative having Hg2+-selective fluoroionophoric behaviors
- Authors
- Moon, So-Youn; Youn, Na Jin; Park, Sang Mi; Chang, Suk-Kyu
- Issue Date
- Mar-2005
- Publisher
- AMER CHEMICAL SOC
- Citation
- JOURNAL OF ORGANIC CHEMISTRY, v.70, no.6, pp 2394 - 2397
- Pages
- 4
- Journal Title
- JOURNAL OF ORGANIC CHEMISTRY
- Volume
- 70
- Number
- 6
- Start Page
- 2394
- End Page
- 2397
- ISSN
- 0022-3263
1520-6904
- Abstract
- A new fluoroionophore has been synthesized by appending two signaling pyrenylacetamide subunits on the binding motif of 1,8-dimethylcyclam. The designed compound exhibited highly selective and sensitive fluoroionophoric behavior toward Hg2+ ions of excimer emission in aqueous dioxane (dioxane/H2O = 1:9, v/v) solution with a detection limit of 1.3 x 10(-6) M. The "ON-OFF" type signaling behavior of the fluoroionophore is due to the metal ion induced conformational changes from folded to open-winged conformations by exploiting the two nearby appended pyrenyl fluorophores.
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Collections - College of Natural Sciences > Department of Chemistry > 1. Journal Articles
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