Study of the tautomerism of 4- and 2- carbalkoxy-3-thiophanones |
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| Authors: | O A Erastov S N Ignat'eva |
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| Institution: | (1) A. E. Arbuzov Institute of Organic and Physical Chemistry, Academy of Sciences of the USSR, Kazan |
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| Abstract: | The equilibrium positions of 4-carbomethoxy-3-thiophanone (I), 2-carbomethoxy-4-methyl-3-thiophanone (II), 4,5-dicarbomethoxy-3-thiophanone (III), and 4-carbethoxy-5-phenyl-3-thiophanone (IV) in acetonitrile, dioxane, and alcohols was determined. The Meyer equation is satisfied for ketones I and II paired with acetylacetone and for III and IV paired with methyl cyclopentanone-2-carboxylate in alcohol solutions.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1473–1480, November, 1971. |
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