Abstract
Reactions of 2-alkylsulfanyl- and 2-alkoxy-4-hydroxy-6H-1,3-oxazin-6-ones with oxygen-centered nucleophiles were studied. 2-Alkoxy-4-hydroxy-6H-1,3-oxazin-6-ones reacted with water and alcohols to give the corresponding alkyl 3-amino-3-oxopropanoates as a result of opening of the oxazine ring at the C6-O bond, whereas their 2-alkylsulfanyl analogs turned out to be stable toward O-nucleophiles. The different reactivities of the title compounds were interpreted in terms of quantum-chemical calculations of their electronic structure.
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Original Russian Text © B.Yu. Lalaev, I.P. Yakovlev, N.N. Kuz’mich, G.V. Ksenofontova, V.E. Zakhs, 2010, published in Zhurnal Obshchei Khimii, 2010, Vol. 80, No. 10, pp. 1734–1738.
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Lalaev, B.Y., Yakovlev, I.P., Kuz’mich, N.N. et al. Reactions of 2-alkylsulfanyl- and 2-alkoxy-4-hydroxy-6H-1,3-oxazin-6-ones with O-nucleophiles. Russ J Gen Chem 80, 2043–2047 (2010). https://doi.org/10.1134/S1070363210100269
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DOI: https://doi.org/10.1134/S1070363210100269