The proton magnetic resonance spectra of 8-quinolinol and its acid salts are reported. The chemical shifts of the neutral molecule vary slightly for different solvents- the changes indicate complex formation between 8-quinolinol and solvent. The spectra of aqueous acid solutions suggest that the 8-quinolinium ion is hydrated, and can be dehydrated by the addition of other strong electrolytes to its solutions.
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Hirsch et al. (1968) studied this question.
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