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 › peer-review

35 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

Bibliographical note

Funding Information:
This work was supported by the India-Korea Joint Program of Cooperation in Science & Technology (2011-0027710) and by an CSIR project grant (01(2417)/10 EMR-II). P.S. is thankful to UGC India for a research fellowship.

All Science Journal Classification (ASJC) codes

Biochemistry
Drug Discovery
Organic Chemistry

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

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.",

author = "Preeti Saluja and Navneet Kaur and Narinder Singh and Jang, {Doo Ok}",

note = "Funding Information: This work was supported by the India-Korea Joint Program of Cooperation in Science & Technology (2011-0027710) and by an CSIR project grant (01(2417)/10 EMR-II). P.S. is thankful to UGC India for a research fellowship. ",

year = "2012",

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doi = "10.1016/j.tet.2012.08.022",

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journal = "Tetrahedron",

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AU - Saluja, Preeti

AU - Kaur, Navneet

AU - Singh, Narinder

AU - Jang, Doo Ok

N1 - Funding Information: This work was supported by the India-Korea Joint Program of Cooperation in Science & Technology (2011-0027710) and by an CSIR project grant (01(2417)/10 EMR-II). P.S. is thankful to UGC India for a research fellowship.

PY - 2012/10/14

Y1 - 2012/10/14

N2 - 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.

AB - 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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