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Pyrene Excimer-based Bis-triazolyl Pyranoglycoligands as Specific Mercury Sensors

X. He, J. Xie, G. Chen and K. Chen Chinese Journal of Chemistry, 2012, 30, 12, 2874-2878

New C3,4-disubstituted bis-triazolyl glycoligands that feature a glucosyl or galactosyl scaffold incorporating two pyrenyl groups were synthesized via the CuI-catalyzed azide-alkyne 1,3-dipolar cycloaddition reaction (Cue-AAC). These compounds exert a major emission band corresponding to that of pyrene excimer and respond specifically to mercury with a markedly quenched fluorescence. The epimeric nature of the pyranoglycosyl scaffold is determined influential toward the selectivity of the sensors.

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Publication

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Paru le 11 décembre 2012

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DOI: 10.1002/cjoc.201200978