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Synthesis of 2,7-naphthyridines by the recyclization of trimethylformyl-piperidone

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The structure of the product of interaction of the sodium salt of 1, 2, S-trimethyl-3 formylpiperid-4-one with cyanothioacetamide was specified. It was shown that the Knoevenagel adduct formed at the first stage in basic conditions undergoes recyclization with the formation of 1, 2,3,5,6, 7, 8, 8a-octahydro-l-oxo-6, 7, 8a-trimethyl-4-cyano-2, 7-naphthyridine-3-thione, the structure of which was confirmed by the data of physicochemical methods of analysis and chemical conversions.

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Authors and Affiliations

  1. N. D. Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences (RAN), 117913, Moscow

    V. A. Artemov, A. M. Shestopalov & V. P. Litvinov

Authors
  1. V. A. Artemov
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  2. A. M. Shestopalov
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  3. V. P. Litvinov
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 512–515, April, 1996.

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Artemov, V.A., Shestopalov, A.M. & Litvinov, V.P. Synthesis of 2,7-naphthyridines by the recyclization of trimethylformyl-piperidone. Chem Heterocycl Compd 32, 445–448 (1996). https://doi.org/10.1007/BF01165908

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  • DOI: https://doi.org/10.1007/BF01165908

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