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Keto-enol tautomerism of 4-hydroxy-3-phenyl-2-(2-chloroacetamidophenyl)-1-isoquinolone

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Chemistry of Heterocyclic Compounds Aims and scope

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Abstract

Three crystalline modifications of the N-chloroacetyl derivative were obtained in the chloroacetylation of 2-(2-aminophenyl)-4-hydroxy-3-phenyl-1-isoquinolone. It was established by IR spectroscopy that they differ with respect to isomeric composition and the character of the intermolecular hydrogen bonds. For the first time, both keto-enol tautomeric forms were isolated in individual form in the 4-hydroxy-1-isoquinolone series.

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Authors and Affiliations

  1. A. Ya. Pel'she Riga Polytechnic Institute, 226355, Riga

    R. É. Valter, A. É. Batse & S. P. Valtere

Authors
  1. R. É. Valter
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  2. A. É. Batse
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  3. S. P. Valtere
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Additional information

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 542–543, April, 1985.

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Valter, R.É., Batse, A.É. & Valtere, S.P. Keto-enol tautomerism of 4-hydroxy-3-phenyl-2-(2-chloroacetamidophenyl)-1-isoquinolone. Chem Heterocycl Compd 21, 453–454 (1985). https://doi.org/10.1007/BF00504411

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  • DOI: https://doi.org/10.1007/BF00504411

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