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4-Hydroxy-2-quinolones. 17. Dieckmann condensation as a thermally activated process

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The thermolysis of ethyl 2-ethoxycarbonylmalonanilate in boiling diphenyl oxide gave the 2-ethoxycarbonylanilide of 1H-2-oxo-4-hydroxyquinoline-3-carboxylic acid, which is also formed from the N,N′-di-2-ethoxycarbonylaniline of malonic acid in the conditions of the Dieckmann reaction. The mechanism of the chemical conversions indicated is presented and discussed.

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Authors and Affiliations

  1. Ukrainian Pharmaceutical Academy, 310002, Khar'kov

    I. V. Ukrainets, S. G. Taran, P. A. Bezuglyi & O. A. Evtifeeva

Authors
  1. I. V. Ukrainets
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  2. S. G. Taran
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  3. P. A. Bezuglyi
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  4. O. A. Evtifeeva
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Additional information

For Communication 16, see [1].

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1219–1222, September, 1993.

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Ukrainets, I.V., Taran, S.G., Bezuglyi, P.A. et al. 4-Hydroxy-2-quinolones. 17. Dieckmann condensation as a thermally activated process. Chem Heterocycl Compd 29, 1041–1043 (1993). https://doi.org/10.1007/BF00534389

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  • DOI: https://doi.org/10.1007/BF00534389

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