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Novel method for the synthesis of 3-[(3-arylpyrazol-5-yl)methylidene]-quinoxalin-2-ones on the basis of 2-methylchromones

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Chemistry of Heterocyclic Compounds Aims and scope

3-(Chromon-2-ylmethylidene)quinoxalin-2-ones reacts with hydrazine hydrate in boiling n-BuOH at the chromone moiety to form 3-(3-arylpyrazol-5-ylmethylidene)quinoxalin-2-ones in 47–86% yields.

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Authors and Affiliations

  1. Institute of Natural Sciences of Ural Federal University, 51 Lenin Ave., Yekaterinburg, 620000, Russia

    Alexander V. Safrygin, Daria A. Vetyugova & Vyacheslav Ya. Sosnovskikh

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  1. Alexander V. Safrygin
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  2. Daria A. Vetyugova
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  3. Vyacheslav Ya. Sosnovskikh
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Correspondence to Vyacheslav Ya. Sosnovskikh.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2016, 52(12), 1035–1041

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Safrygin, A.V., Vetyugova, D.A. & Sosnovskikh, V.Y. Novel method for the synthesis of 3-[(3-arylpyrazol-5-yl)methylidene]-quinoxalin-2-ones on the basis of 2-methylchromones. Chem Heterocycl Comp 52, 1035–1041 (2016). https://doi.org/10.1007/s10593-017-2004-1

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  • DOI: https://doi.org/10.1007/s10593-017-2004-1

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