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Inclusion complexation of sodium alkyl sulfates withβ-cyclodextrin. A1H NMR study (1994)

Guo, Qing-Xiang ; Li, Zi-Zhong ; Ren, Tan ; [et al.]

Springer

Journal of inclusion phenomena and macrocyclic chemistry 17 (1994), S. 149-156

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ISSN: 1573-1111

Keywords: Association constant ; β-cyclodextrin ; inclusion ; NMR ; surfactant

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract The association of anionic surfactants,viz., sodium alkyl sulfates, C n H2n+1OSO3Na (n=5, 6, 7, 8, 9, 10, 12), withβ-cyclodextrin has been investigated by means of NMR spectroscopy. The measurements of chemical shift changes of certain protons of both host and guest molecules indicated 1:1 inclusion complex formation. The association constants (K a) and standard free energy changes (−ΔG 0) for the inclusion complexation reaction vary as a function of the hydrocarbon chain length of the surfactants.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00711855

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