Abstract
By means of chromatography/mass spectrometry, a quantitative estimate has been made of the gas-phase contents of different tautomeric forms of a monooxime, monoacetylhydrazone, diacetylhydrazone, and monoamidrazonoacetylacetone. In particular, individual tautomeric forms of these compounds were identified: 5-hydroxyoxazoline, 5-hydroxypyrazoline, 5-hydroxylaminopyrazoline, 5-acetylhydrazinylpyrazoline, and 5-acetonyl-2,3,4-triazoline.
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We dedicate this article to the memory of I. N. Goncharova.
M. V. Lomonosov Moscow State University, Moscow 119899. Military Medical Academy, St. Petersburg 194175. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp 1228–1236, September, 1997.
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Terent'ev, P.B., Kalandarishvili, A.G., Zelenin, K.N. et al. Chromatographic/mass-spectrometric analysis of heterocyclic tautomeric forms of nitrogen-containing derivatives of 1,3-dicarbonyl compounds. Chem Heterocycl Compd 33, 1070–1077 (1997). https://doi.org/10.1007/BF02253222
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DOI: https://doi.org/10.1007/BF02253222