Ultraviolet spectra and pKa values for the title compounds and their O‐ and N‐ethyl derivatives show that in each case the quinolone form is favoured in aqueous solution. The results are compared qualitatively with those for 4‐quinolone and for findings in the gas phase.
No takes yet. Share an insight, caveat, or question.
Katritzky et al. (1981) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: