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Volumn 6, Issue 18, 2000, Pages 3399-3403

Novel arificial receptors for alkylammonium ions with remarkable selectivity and affinity

Author keywords

Alkylamines; Host guest chemistry; Hydrogen bonds; Molecular recognition; Tripodal oxazolines

Indexed keywords

ALIPHATIC AMINE; AMMONIUM DERIVATIVE; ION; OXAZOLINE DERIVATIVE;

EID: 0034665027     PISSN: 09476539     EISSN: None     Source Type: Journal    
DOI: 10.1002/1521-3765(20000915)6:18<3399::AID-CHEM3399>3.0.CO;2-M     Document Type: Article
Times cited : (70)

References (38)
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    • 3 symmetric receptors is ongoing and will be reported in due course
    • 3 symmetric receptors is ongoing and will be reported in due course.
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    • Because of lack of data, the affinity can not be compared; however, tris(oxazoline) 8 is believed to be the most strong receptor toward alkylammonium ions in which only weak binding forces interplay. This unusual affinity is attributed to the ideal tripodal hydrogen bonding, cation-π interactions, and hydrophobic effects
    • Because of lack of data, the affinity can not be compared; however, tris(oxazoline) 8 is believed to be the most strong receptor toward alkylammonium ions in which only weak binding forces interplay. This unusual affinity is attributed to the ideal tripodal hydrogen bonding, cation-π interactions, and hydrophobic effects.
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    • note
    • Kα radiation, 9582 reflections collected, 5795 independent reflections, R1 = 0.0461, wR2 = 0.0921 [I > 2σ(I)], R1 = 0.0594, wR2 = 0.1013 (all data), GOF = 1.136. Crystallographic data (excluding structure factors) for the structure reported in this paper have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-147263. Copies of the data can be obtained free of charge on application to CCDC, 12 Union Road, Cambridge CB21EZ, UK (fax: (+44)1223-336-033; e-mail: deposit@ccdc.cam. ac.uk).
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    • An ab initio calculation is carried out by colleagues and will be reported independently. For a recent review on the cations-π interactions, see: J. C. Ma, D. A. Dougherty, Chem. Rev. 1997, 97, 1303-1324.
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    • 1H-NMR shifts of the benzene or benzylic protons has not reported yet. For an interesting case where a down-field shift is observed in a presumed cation-π interaction system, see: S. L. De Wall, E. S. Meadows, L. J. Barbour, G. W. Gokel, J. Am. Chem. Soc. 1999, 121, 5613-5614.
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    • De Wall, S.L.1    Meadows, E.S.2    Barbour, L.J.3    Gokel, G.W.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.