Journal
ORGANIC LETTERS
Volume 14, Issue 12, Pages 2980-2983Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol3009733
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- DST
- CSIR (India)
- CSIR
- UGC (New Delhi)
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A newly synthesized imine-based receptor (L) showed remarkable specificity toward the Hg2+ ion in aqueous media over other metal ions. Coordination of L to Hg2+ induces a turn-on fluorescence response. This was explained based on the restricted imine isomerization along with PET on coordination to Hg2+. X-ray structural evidence tends to favor a C-C bond rotation rather than C=N isomerization for adopting a favorable conformation in L for coordination to Hg2+. This reagent could be used for imaging the accumulation of Hg2+ ions in HeLa cells.
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