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Synthesis of 9-azolyl-3-(4-phenyl-4h-1,2,4-triazol-3-yl)-4h,8h-pyrano-[2,3-f]chromene-4,8-diones

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Chemistry of Heterocyclic Compounds Aims and scope

The reaction of 6-ethyl-8-formyl-7-hydroxy-3-(4-phenyl-4H-1,2,4-triazol-3-yl)chromone with 2-azolyl-acetonitriles gave 8-iminopyrano[2,3-f]chromen-4-ones, whose acid hydrolysis led to pyrano-[2,3-f]chromene-4,8-diones containing azaheterocyclic substituents at C-3 and C-9.

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Authors and Affiliations

  1. Taras Shevchenko Kiev State University, Kiev, 01033, Ukraine

    T. V. Shokol, O. A. Lozinskii, A. V. Turov & V. P. Khilya

Authors
  1. T. V. Shokol
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  2. O. A. Lozinskii
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  3. A. V. Turov
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  4. V. P. Khilya
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Correspondence to T. V. Shokol.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1361-1367, September, 2009.

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Shokol, T.V., Lozinskii, O.A., Turov, A.V. et al. Synthesis of 9-azolyl-3-(4-phenyl-4h-1,2,4-triazol-3-yl)-4h,8h-pyrano-[2,3-f]chromene-4,8-diones. Chem Heterocycl Comp 45, 1089–1094 (2009). https://doi.org/10.1007/s10593-009-0402-8

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  • DOI: https://doi.org/10.1007/s10593-009-0402-8

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