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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

  • T. V. Shokol
  • O. A. Lozinskii
  • A. V. Turov
  • V. P. Khilya
Article

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.

Keywords

2-azolylacetonitriles 8-formyl-7-hydroxychromones pyrano[2,3-f]chromene-4,8-diones condensation 

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Copyright information

© Springer Science+Business Media, Inc. 2009

Authors and Affiliations

  • T. V. Shokol
    • 1
  • O. A. Lozinskii
    • 1
  • A. V. Turov
    • 1
  • V. P. Khilya
    • 1
  1. 1.Taras Shevchenko Kiev State UniversityKievUkraine

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