A ratiometric fluorescent probe for palladium detection based on an allyl carbonate group functionalized hemicyanine dye

A novel ratiometric fluorescent probe for palladium species was synthesized based on an allyl carbonate group, a novel reaction site, and a hemicyanine dye. The probe displays relatively rapid response, high selectivity, and anti-disturbance toward palladium in HEPES buffers without additional reage...

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Bibliographic Details
Published in:Tetrahedron letters 2014-04, Vol.55 (15), p.2537-2540
Main Authors: Chen, Xiuqiong, Li, Hongda, Jin, Longyi, Yin, Bingzhu
Format: Article
Language:English
Subjects:
Allyl carbonate
Buffers
Carbonates
Cleavage
Decarboxylation
Displays
Dyes
Fluorescence
Hemicyanine dye
Palladium
Palladium detection
Ratiometric fluorescent probe
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Summary:A novel ratiometric fluorescent probe for palladium species was synthesized based on an allyl carbonate group, a novel reaction site, and a hemicyanine dye. The probe displays relatively rapid response, high selectivity, and anti-disturbance toward palladium in HEPES buffers without additional reagents. The detection mechanism, palladium triggers the cleavage of allyl carbonate in the probe and then decarboxylation of the product to induce the ratiometric fluorescence response, was verified using UV–vis and mass spectrometry analysis. The probe was successfully applied for ratiometric fluorescent detection of palladium in tap water, river water, and in fetal bovine serum.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2014.03.032