Solid state structure and photophysical properties of monoanionic 2-(2′-hydroxyphenyl)benzimidazole as an anionic core in rhenium complex

Bhol, Mamina; Priyatharsini, Maruthupandiyan; Krishnakumar, R. V.; Sathiyendiran, Malaichamy

doi:10.1016/j.jorganchem.2019.03.013

Cited by 5 publications

(2 citation statements)

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“…The phenolic hydroxyl group is probably deprotanated by acetate anion (CH 3 COO − ) and it becomes phenolate anion (Scheme 2) to neutralize the complex ( NaL ). The observed C2‐O5 bond distance (1.308(2) Å) was also comparable with the previously reported phenolate ions [65–67] . The Na‐O bond distances were observed in the ranges of 2.325(2) to 2.582(2) Å within sodium octahedron, and have average value of 2.428 Å, similar to previously reported values [68–72] .…”

Section: Resultssupporting

confidence: 90%

“…The observed C2-O5 bond distance (1.308(2) Å) was also comparable with the previously reported phenolate ions. [65][66][67] The Na-O bond distances were observed in the ranges of 2.325(2) to 2.582(2) Å within sodium octahedron, and have average value of 2.428 Å, similar to previously reported values. [68][69][70][71][72] The content of the sodium(I) complex is given by the suitable formula (C 10 H 10 N 5 O 2 )Na.3H 2 O.H 2 O.…”

Section: Chemistryselectsupporting

confidence: 87%

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Small‐Molecule Fluorescent Probe: Ratiometric and Selective Detection of Sodium Ions for Imaging and Solid‐State Sensing Applications

Shankar¹,

Aravind

Ashokkumar

et al. 2022

ChemistrySelect

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A ratiometric highly fluorescent small molecular probe (L), 1,2,4-triazol-4-yliminomethyl-5-(hydroxymethyl)-2-methylpyridin-3-ol, was designed for detecting Na(I) ions in DMF:water (1 : 9, v/v) medium. The chemical structure of Na(I) complex of probe was confirmed by single crystal XRD. The fluorescence detection of Na + ion has been executed in both solid and solution medium. The observations suggest the same chemical structure in solution state as well. The detailed photochemical studies showed that highly selective sensing of Na + ions even in the presence of common interfering K + ions. The fluorescence decay studies showed that the lifetime of NaL is lesser than L. The excited state intramolecular proton transfer (ESIPT) mechanism and the nature of electronic transitions were examined by quantum chemical studies. The electrochemical behaviour was studied by cyclic voltammetry and impedance spectra. It has also been shown that the probe can be applied to paper based sensing and imaging of Na + ions in U87 cell lines.

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Section: Resultssupporting

confidence: 90%