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Synthesis of ortho- and para-quinones of the benzindole series

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Ethyl esters of α-(3-chloro-1,4-naphthoquinon-3-yl)crotonic or cinnamic acids were obtained by the reaction of 2,3-dichloro-1,4-naphthoquinone with ethyl esters of N-substituted Β-aminocrotonic or Β-aminocinnamic acids. These esters were converted by alkaline fusion into benz[f]indole-4,9-dione-3-carboxylic acids, and into ethyl esters of benz[g]indole-4,5-dione-3-carboxylic acid by the action of acetic acid.

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Authors and Affiliations

  1. S. Ordzhonikidze All-Union Scientific Research Chemical Pharmaceutical Institute, 119021, Moscow

    I. N. Nesterova, A. N. Grinev & N. M. Rubtsov

Authors
  1. I. N. Nesterova
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  2. A. N. Grinev
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  3. N. M. Rubtsov
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Deceased.

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 66–68, January, 1989.

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Nesterova, I.N., Grinev, A.N. & Rubtsov, N.M. Synthesis of ortho- and para-quinones of the benzindole series. Chem Heterocycl Compd 25, 55–57 (1989). https://doi.org/10.1007/BF00472619

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  • DOI: https://doi.org/10.1007/BF00472619

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