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Novel Approaches to Synthesis of 4-Alkyl-6-amino-5-cyano-3-methyl(propyl, phenyl)-2H,4H-pyrano[2,3-c]pyrazoles

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Abstract

We have obtained 4-alkyl-6-amino-5-cyano-3-methyl(propyl, phenyl)-2H,4H-pyrano[2,3-c]pyrazoles by reaction of 4-alkylmethylene-3-substituted 5-pyrazolones with malononitrile or cyanothioacetamide. We have used X-ray diffraction to study the structure of 6-amino-5-cyano-4-isopropyl(hexyl)-3-phenyl-2H,4H-pyrano[2,3-c]pyrazoles.

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Authors and Affiliations

  1. Taras Shevchenko Lugansk State Pedagogical University, Lugansk, 91011, Ukraine

    V. D. Dyachenko

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

    E. B. Rusanov

Authors
  1. V. D. Dyachenko
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  2. E. B. Rusanov
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Dyachenko, V.D., Rusanov, E.B. Novel Approaches to Synthesis of 4-Alkyl-6-amino-5-cyano-3-methyl(propyl, phenyl)-2H,4H-pyrano[2,3-c]pyrazoles. Chemistry of Heterocyclic Compounds 40, 231–240 (2004). https://doi.org/10.1023/B:COHC.0000027898.06493.c5

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  • DOI: https://doi.org/10.1023/B:COHC.0000027898.06493.c5

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