Journal of the Iranian Chemical Society

, Volume 16, Issue 5, pp 921–937 | Cite as

Synthesis and in-vitro antioxidant and antitumor evaluation of novel pyrazole-based heterocycles

  • Mahmoud F. IsmailEmail author
  • Amira A. El-sayed
Original Paper


Hydrazide-hydrazone, namely, N′-((5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene)-2-cyanoacetohydrazide 3, was utilized as a key starting material for the construction of a variety of novel heterocyclic moieties. The newly synthesized compounds were characterized by elemental analyses and spectral data (IR, 1H-NMR, and mass spectra). Some of the newly synthesized compounds were screened for their antitumor and antioxidant activities. The results showed clearly that compounds 6, 11, 13, 22, and 29 displayed promising in-vitro antitumor activity against two cell lines (HepG2 and MCF-7). Among these compounds, compounds 13 and 29 exhibited the highest activity as antitumor agents. On the other hand, compounds 13, 22, and 29 exhibited the highest inhibitory antioxidant activity using ABTS method. While, in case of erythrocytes hemolysis, compounds 4, 13, and 29 proved to exhibit potent antioxidative activity as vitamin C. Meanwhile, compounds 6, 11, 16, 21, and 22 showed a remarkable promising activity. In light of the highest potency of our novel compounds in targeting both antitumor and antioxidant activities, compounds 13 and 29 warrant persistent preclinical development as antitumor and antioxidant agents.

Graphical abstract


Pyrazole Diarylidene hydrazine Iminocoumarin 1,3-Thiazole Antioxidant Antitumor 

Supplementary material

13738_2018_1566_MOESM1_ESM.pdf (5.2 mb)
Supplementary material 1 (PDF 5300 KB)


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Copyright information

© Iranian Chemical Society 2018

Authors and Affiliations

  1. 1.Department of Chemistry, Faculty of ScienceAin Shams UniversityCairoEgypt

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