Recognition and sensing of anions through synergistic effects using simple benzimidazolium-urea receptors

Zhi Yun Dong; Guo Hua Gao

doi:10.1007/s11434-012-5033-2

Recognition and sensing of anions through synergistic effects using simple benzimidazolium-urea receptors

Zhi Yun Dong
, Guo Hua Gao

School of Chemistry and Molecular Engineering

East China Normal University

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Benzimidazolium-based receptors 1-3 were designed and synthesized. On the basis of fluorescence, UV-Vis, and ¹H NMR spectroscopic studies, and X-ray single crystal structure analysis, it was confirmed that the receptor 1 displays strong (C-H) ⁺ X, N-H. X hydrogen bonds and charge-charge interactions with anions. More importantly, these investigations demonstrated that the charged (C-H) ⁺ benzimidazolium and urea moieties play a synergistic role in anion recognition.

Original language	English
Pages (from-to)	1266-1274
Number of pages	9
Journal	Chinese Science Bulletin
Volume	57
Issue number	11
DOIs	https://doi.org/10.1007/s11434-012-5033-2
State	Published - Apr 2012

Keywords

anion recognition
benzimidazolium
hydrogen bond
synergistic effects
urea

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abstract = "Benzimidazolium-based receptors 1-3 were designed and synthesized. On the basis of fluorescence, UV-Vis, and 1H NMR spectroscopic studies, and X-ray single crystal structure analysis, it was confirmed that the receptor 1 displays strong (C-H) + X, N-H. X hydrogen bonds and charge-charge interactions with anions. More importantly, these investigations demonstrated that the charged (C-H) + benzimidazolium and urea moieties play a synergistic role in anion recognition.",

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AB - Benzimidazolium-based receptors 1-3 were designed and synthesized. On the basis of fluorescence, UV-Vis, and 1H NMR spectroscopic studies, and X-ray single crystal structure analysis, it was confirmed that the receptor 1 displays strong (C-H) + X, N-H. X hydrogen bonds and charge-charge interactions with anions. More importantly, these investigations demonstrated that the charged (C-H) + benzimidazolium and urea moieties play a synergistic role in anion recognition.

KW - anion recognition

KW - benzimidazolium

KW - hydrogen bond

KW - synergistic effects

KW - urea

UR - https://www.scopus.com/pages/publications/84859269844

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Recognition and sensing of anions through synergistic effects using simple benzimidazolium-urea receptors

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Keywords

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