Russian Chemical Bulletin p. 344 - 349 (1997)
Update date:2022-08-11
Topics:
Ektova
Bukhtoyarova
Petrenko
Tautomeric equilibria of para- and ana-quinoid forms of 5-hydroxy-1,4-naphthoquinone-4-imines in solutions were studied by UV and 1H NMR spectroscopy. The ana-form is stabilized by electron-donating substituents at positions 2 and 8 and at nitrogen atom and by electron-withdrawing substituents at position 6.
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