Benzimidazole-based fluorescent sensors for Cr 3+ and their resultant complexes for sensing HSO 4 - and F -

Preeti Saluja; Navneet Kaur; Narinder Singh; Doo Ok Jang

doi:10.1016/j.tet.2012.08.022

Benzimidazole-based fluorescent sensors for Cr ³⁺ and their resultant complexes for sensing HSO ₄ ^- and F ^-

Preeti Saluja, Navneet Kaur, Narinder Singh, Doo Ok Jang

Chemistry and Medical Chemistry

Research output: Contribution to journal › Article

34 Citations (Scopus)

Abstract

A benzimidazole-based receptor that selectively recognized Cr ³⁺ without interference from other metal ions was synthesized in this study. The resultant Cr-complex recognized HSO4- and F ^- via two approaches. HSO4- ions bound to the metal center, causing changes in the fluorescent spectra at different wavelengths, whereas F ^- ions displaced Cr ³⁺, thereby switching ON the fluorescent spectra at the same wavelength.

Original language	English
Pages (from-to)	8551-8556
Number of pages	6
Journal	Tetrahedron
Volume	68
Issue number	41
DOIs	https://doi.org/10.1016/j.tet.2012.08.022
Publication status	Published - 2012 Oct 14

All Science Journal Classification (ASJC) codes

Biochemistry
Drug Discovery
Organic Chemistry

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Saluja, P., Kaur, N., Singh, N., & Jang, D. O. (2012). Benzimidazole-based fluorescent sensors for Cr ³⁺ and their resultant complexes for sensing HSO ₄ ^- and F ^- Tetrahedron, 68(41), 8551-8556. https://doi.org/10.1016/j.tet.2012.08.022

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abstract = "A benzimidazole-based receptor that selectively recognized Cr 3+ without interference from other metal ions was synthesized in this study. The resultant Cr-complex recognized HSO4- and F - via two approaches. HSO4- ions bound to the metal center, causing changes in the fluorescent spectra at different wavelengths, whereas F - ions displaced Cr 3+, thereby switching ON the fluorescent spectra at the same wavelength.",

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