hydroxypyridines
National Institutes of Health
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Various hydroxypyridine derivatives are endogenous or synthetic photosensitizers which could contribute to solar radiation damage…
4(3H)-Pyrimidinone is observed in nature in equilibrium with other tautomeric forms, mimicking the tautomeric equilibrium in…
(14)N nuclear quadrupole resonance frequencies have been measured in solid 2-pyridone, 3-hydroxypyridine, and 4-pyridone by (1)H…
The (1,3,6-trioxa-heptyl) aromatic compounds are easily prepared from various phenols and hydroxypyridines. Protection by 2…
Equilibrium constants for keto–enol tautomerisation and migration of hydrogen from carbon to nitrogen to form enamine or…
The transformation of pyridine and several hydroxypyridines was investigated under different physiological conditions. Pyridine…
1. Several species of micro-organisms that were capable of utilizing pyridine compounds as carbon and energy source were isolated…
Complexing tendencies of pyridinecarboxylic acids and hydroxypyridines toward 8-methoxycaffeine or 1,3,7,9-tetramethylpyrimido(5…
1. The variations with pH (from 36n-sulphuric acid to 10n-sodium hydroxide) of the excitation and fluorescence wavelengths and…