Abstract
1-Hydroxyanthraquinone and its substituted derivatives exist as equilibrium mixtures of four tautomers and rotational isomers. Their anions have 9,10-and 1,10-quinoid structures. Each tautomer or conformer is characterized by a single π1,π* band in the electronic absorption spectrum.
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Original Russian Text © V.Ya. Fain, B.E. Zaitsev, M.A. Ryabov, 2006, published in Zhurnal Organicheskoi Khimii, 2006, Vol. 42, No. 10, pp. 1484–1487.
For communication III, see [1].
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Fain, V.Y., Zaitsev, B.E. & Ryabov, M.A. Tautomerism of anthraquinones: IV. 1-Hydroxy-9,10-anthraquinone and its substituted derivatives. Russ J Org Chem 42, 1469–1472 (2006). https://doi.org/10.1134/S1070428006100113
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DOI: https://doi.org/10.1134/S1070428006100113