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Fluorogenic Hg2+-selective chemodosimeter derived from 8-hydroxyquinoline
- Issue Date
- Aug-2006
- Publisher
- AMER CHEMICAL SOC
- Citation
- ORGANIC LETTERS, v.8, no.16, pp 3413 - 3416
- Pages
- 4
- Journal Title
- ORGANIC LETTERS
- Volume
- 8
- Number
- 16
- Start Page
- 3413
- End Page
- 3416
- ISSN
- 1523-7060
1523-7052
- Abstract
- A new thioamide derivative of 8-hydroxyquinoline-benzothiazole was prepared, and its fluorogenic chemodosimetric behaviors toward transitionmetal ions were investigated. The thioamide derivative showed highly Hg2+-selective fluorescence enhancing properties (167-fold) in 30% aqueous acetonitrile solution. The selective and sensitive signaling behaviors were found to originate from the Hg2+ ion induced transformation of the very weak fluorescent thioamide derivative into a highly fluorescent amide analogue.
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