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Anthraquinone sulphonate as a general‐purpose shift reagent for the NMR analysis of cyclodextrins
Author(s) -
Djedaïni Florence,
Perly Bruno
Publication year - 1990
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260280417
Subject(s) - chemistry , reagent , anthraquinone , stoichiometry , proton nmr , inclusion (mineral) , nmr spectra database , proton , cyclodextrin , sodium , spectral line , organic chemistry , mineralogy , physics , quantum mechanics , astronomy
Abstract The potential use of sodium anthraquinone 2‐sulphonate (ASANA) as a general‐purpose shift reagent for cyclodextrins is reported. It is demonstrated that completely resolved proton NMR spectra are obtained on inclusion of the host in the cavity of β‐and y‐cyclodextrins. The inclusion complexes have been characterized in terms of stoichiometry and association constants.