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Synthesis of a small molecular cage consisting of three aminomethyl pyrroles and its selective fluoride recognitionSynthesis of a small molecular cage consisting of three aminomethyl pyrroles and its selective fluoride recognition
- Other Titles
- Synthesis of a small molecular cage consisting of three aminomethyl pyrroles and its selective fluoride recognition
- Issue Date
- Dec-2022
- Publisher
- 한국자기공명학회
- Keywords
- molecular cage; anion recognition; fluoride; affinity; selectivity
- Citation
- Journal of the Korean Magnetic Resonance Society, v.26, no.4, pp 40 - 45
- Pages
- 6
- Indexed
- ESCI
KCI
- Journal Title
- Journal of the Korean Magnetic Resonance Society
- Volume
- 26
- Number
- 4
- Start Page
- 40
- End Page
- 45
- ISSN
- 1226-6531
- Abstract
- A small cage-like molecule (2) composed of three aminomethyl pyrroles and two hexa-substituted benzenes has been prepared by reduction of its iminopyrrole analogue (1) using NaBH4. It was revealed by 1H NMR spectroscopic analyses that cage molecule 2 strongly binds the fluoride anion in polar DMSO-d6 relative to CDCl3. Compared to that of compound 1, the lowered affinity of 2 for the fluoride anion is attributable to its increased electron density resulting from the production of thesecondary amine groups.
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