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Volumn 127, Issue 7, 2005, Pages 2292-2302

Anion-templated assembly of pseudorotaxanes: Importance of anion template, strength of ion-pair thread association, and macrocycle ring size

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL STRUCTURE; NEGATIVE IONS; NUCLEAR MAGNETIC RESONANCE; SINGLE CRYSTALS; SOLUTIONS; SOLVENTS; X RAY ANALYSIS;

EID: 14044252756     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja046278z     Document Type: Article
Times cited : (139)

References (92)
  • 9
    • 0001196571 scopus 로고
    • (h) Lindsey, J. S. New. J. Chem. 1991, 15 (2-3), 153-180.
    • (1991) New. J. Chem. , vol.15 , Issue.2-3 , pp. 153-180
    • Lindsey, J.S.1
  • 52
  • 59
    • 14044249362 scopus 로고    scopus 로고
    • note
    • It is difficult to accurately determine such large binding constants: however, a linear plot was obtained for shift perturbations on additions of guest up to 1 equiv, at which point a plateau was observed and no perturbations seen upon further additions of TBA chloride.
  • 60
    • 14044276140 scopus 로고    scopus 로고
    • note
    • hydroquinone determined values are in agreement within 10% experimental error.
  • 61
    • 14044254632 scopus 로고    scopus 로고
    • note
    • 1/2 would give a straight line with an intercept equal to the true ion-pair complexation constant. For full mathematical treatment, see ref 15.
  • 76
    • 14044261079 scopus 로고    scopus 로고
    • note
    • 1H NMR.
  • 77
    • 14044257037 scopus 로고    scopus 로고
    • note
    • Estimated errors on this value are ±30%.
  • 78
    • 14044273467 scopus 로고    scopus 로고
    • note
    • It is interesting to note the presence of an as-yet undetermined 1:2 host: guest binding contribution to the binding constants for the bromide and iodide threads, which is not present when the amide protons or the aryl proton is monitored. This contribution to the association is, although noticeable by Job plot analyses, very small in magnitude.
  • 80
    • 14044264702 scopus 로고    scopus 로고
    • note
    • -1) upon cooling, indicating that the nature of the complexation processes, as expected, is exotherm (Δδamide = 1.17, 1.21, 1.25, and 1.27 ppm at 20, 10, 0, and -10 °C, respectively).
  • 90
    • 0031059866 scopus 로고    scopus 로고
    • Processing of x-ray diffraction data collected in oscillation mode
    • Otwinowski, Z.; Minor, W. Processing of X-ray Diffraction Data Collected in Oscillation Mode. Methods Enzymol. 1997, 276.
    • (1997) Methods Enzymol. , pp. 276
    • Otwinowski, Z.1    Minor, W.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.