Chemistry of Heterocyclic Compounds

, Volume 16, Issue 11, pp 1166–1171 | Cite as

Synthesis of new 1,10,11,20-tetrahydrodibenzo[c,j]dipyrazolo[3,4-f∶3′,4′-m]-1,2,5,8,9,12-hexaazacyclotetradecene derivatives

  • V. M. Dziomko
  • B. K. Berestevich
  • A. V. Kessenikh
  • V. A. Olikova
  • R. S. Kuzanyan


1,10,11,20-Tetrahydrodibenzo[c,j]dipyrazolo[3,4-f∶3′,4′-m]-1,2,5,8,9,12-hexaazacylotetradecene derivatives were obtained by the reaction of copper sulfate with 5-amino-4-(2-bromo-4-methylphenylazo)-3-methyl-1-R-pyrazoles in dimethylformamide in the presence of potassium carbonate; 2-(2-bromo-4-methylphenyl)-4-methyl-6-isopropyl-2, 6-dihydropyrazolo[2,3-d]-1,2,3-triazole was isolated as a side product. 5-amino-4'-bromo-3,3'-dimethyl-1-R',4,5-'azobispyrazoles do not undergo template synthesis under the given conditions. All of the compounds obtained were character ized by the results of elementary analysis and data from the IR, UV, and mass spectra. The copper complexes were investigated by EPR spectroscopy, while the remaining complexes were investigated by NMR spectroscopy.


Copper Sulfate Spectroscopy Potassium Mass Spectrum 
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Copyright information

© Plenum Publishing Corporation 1981

Authors and Affiliations

  • V. M. Dziomko
    • 1
  • B. K. Berestevich
    • 1
  • A. V. Kessenikh
    • 1
  • V. A. Olikova
    • 1
  • R. S. Kuzanyan
    • 1
  1. 1.All-Union Scientific-Research Institute of Chemical Reagents and Ultrapure Chemical ReagentsMoscow

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