Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 198904-85-7, Name is tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate, SMILES is O=C(NNCC1=CC=C(C2=NC=CC=C2)C=C1)OC(C)(C)C, in an article , author is Mala, Ramanjaneyulu, once mentioned of 198904-85-7, Recommanded Product: tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate.
An Imidazo[1,2-a]pyridine Derivative That Enables Selective and Sequential Sensing of Cu2(+) and CN- Ions in Aqueous and Biological Samples
We report a triazole appended imidazopyridine based chemosensor (probe 1) for sequential detection of Cu2+ and CN- ions using fluorometry. Probe 1 is fluorescent in aqueous acetonitrile (H2O-CH3CN, 1:1, v/v) when common metal ions are present, but the fluorescence is quenched when Cu2+ is present. The binding mechanism, quantitative determination and the mode of interaction of Cu2+ with probe 1 are explained using fluorescence spectroscopy, electrospray ionization mass spectrometry and Density Functional Theory (DFT) calculations. The observed detection limit for Cu2+ is found to be (18.17 x 10(-6) M) and it is comparable with those reported for other Cu2+ chemosensors. Further, the 1-Cu2+ complex formation is found to be reversible, and this property has been successfully exploited for the quantitative determination of CN- ions in aqueous acetonitrile. Addition of CN- leads to a complete recovery of fluorescence from 1-Cu2+ complex, permitting the real time detection with the lower limit of detection of CN being 33.57 x 10(-6) M. The observed experimental results are supported by DFT calculations. A possible application of 1-Cu2+ in fluorescence imaging of Rhizoctonia solani mycelia cells, contaminated with CN ions, is also represented.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem