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Polyfunctional pyrazoles 5*. preparative synthesis of 1-aryl-4-formylpyrazole- 3-carboxylic acids

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Chemistry of Heterocyclic Compounds Aims and scope

Treatment of methyl pyruvate N-arylhydrazones with the Vilsmeier-Haack reagent gave methyl 1-aryl-4-formylpyrazole-3-carboxylates, basic hydrolysis of which yielded the corresponding acids.

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Authors and Affiliations

  1. Bukovinian State Medical University, Chernivtsy, 58000, Ukraine

    M. K. Bratenko & M. M. Barus

  2. Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Kiev, 02094, Ukraine

    M. V. Vovk

Authors
  1. M. K. Bratenko
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  2. M. M. Barus
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  3. M. V. Vovk
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Corresponding author

Correspondence to M. K. Bratenko.

Additional information

For Communication 4 see [1].

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1817-1822, December, 2009.

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Bratenko, M.K., Barus, M.M. & Vovk, M.V. Polyfunctional pyrazoles 5*. preparative synthesis of 1-aryl-4-formylpyrazole- 3-carboxylic acids. Chem Heterocycl Comp 45, 1464–1468 (2009). https://doi.org/10.1007/s10593-010-0451-z

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  • DOI: https://doi.org/10.1007/s10593-010-0451-z

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