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A Calix[4]pyrrole Bearing a Quaternary Ammonium Group: A Fluoride-Selective Anion Receptor
- Authors
- Oh, Ju Hyun; Lee, Joon Hwa; Kim, Sung Kuk
- Issue Date
- 2021
- Publisher
- KOREAN MAGNETIC RESONANCE SOC
- Keywords
- Anion receptor; Fluoride; Selectivity; Anion metathesis; Calix[4]pyrrole
- Citation
- JOURNAL OF THE KOREAN MAGNETIC RESONANCE SOCIETY, v.25, no.4, pp 45 - 50
- Pages
- 6
- Indexed
- ESCI
KCI
- Journal Title
- JOURNAL OF THE KOREAN MAGNETIC RESONANCE SOCIETY
- Volume
- 25
- Number
- 4
- Start Page
- 45
- End Page
- 50
- ISSN
- 1226-6531
- Abstract
- A calix[4]pyrrole (1) bearing a quaternary ammonium pendant via its meso phenoxy linker has been synthesized as the bromide salt form. It was revealed by H-1 NMR spectroscopic analyses performed in DMSO-d(6) that receptor 1 binds F- with high affinity and selectivity over other halide anions. The binding of receptor 1 center dot Br- with F- and Cl- takes place by anion metathesis with the anions including F- and Cl-.
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