ANTHRAQUINONE DERIVATIVES BEARING THIADIAZOL MOIETY, DESIGN, SYNTHESIS, CHARACTERIZATION, AND CYTOTOXIC EVALUATION

Authors

  • MOHAMMED ISMAIL MOHAMMED Ministry of Health, Karbala, Iraq, Al Naqeeb Street, 2567, Iraq
  • MOHAMMED HASSAN MOHAMMED Department of Pharmaceutical Chemistry, Pharmacy College, Baghdad University, Baghdad, Iraq

DOI:

https://doi.org/10.22159/ajpcr.2025v18i9.56543

Keywords:

anthraquinone, anticancer, 1,3,4-Thiadiazole, cytotoxic evaluation., Heterocyclic Compounds

Abstract

Objectives: The primary goals were to study biological activity in vivo, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) cell viability assay, the synthesis of new anthraquinone derivatives MI(6–9) bearing heterocyclic scaffolds(1,3,4-thiadiazole), and molecular docking studies.

Methods: Molecular docking studies (using Ligand Designer from Glide [Schrodinger LLC]) for the proposed compounds against Vegfr2 and topoisomerase II receptors with sunitinib and doxorubicin as references, respectively. The synthesis of new anthraquinone derivatives MI(6-9) bearing heterocyclic scaffolds(1,3,4-thiadiazole), characterized through melting point, TLC, and spectral data acquisition (infrared [IR], attenuated total reflectance-Fourier transform IR, nuclear magnetic resonance), and evaluated in vivo using an MTT cytotoxicity assay with sunitinib and doxorubicin as a standard.

Results: The docking score of compound MI8 is (−7.403), which is higher than sunitinib (−7.086), while MI6 and MI7 are slightly lower than it. The docking scores of compounds MI8 (−5.194), MI6 (−4.887), and MI9 (−4.843) are higher than that of doxorubicin (−4.761). The results of the cytotoxicity study showed that the compound MI8 exhibited the most potent inhibitory activity, comparable to sunitinib and doxorubicin, since its inhibitory concentration (IC50) is 3.00 μg/mL, while sunitinib has 6.89 μg/mL and doxorubicin has 2.89 μg/mL in the breast cancer cell line, while in the lung cancer cell line, the compound MI8 has an IC50 of 4.10 μg/mL, but sunitinib has 3.00 μg/mL and doxorubicin has 2.83 μg/mL. GraphPad Prism 8.5 was used for data analysis and graphing software.

Conclusion: The molecules (MI6–MI9) that were designed were successfully synthesized, and MI8 demonstrated superior cell inhibition activity, which indicated a high potential for antiproliferative function.

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Published

07-09-2025

How to Cite

MOHAMMED ISMAIL MOHAMMED, and MOHAMMED HASSAN MOHAMMED. “ANTHRAQUINONE DERIVATIVES BEARING THIADIAZOL MOIETY, DESIGN, SYNTHESIS, CHARACTERIZATION, AND CYTOTOXIC EVALUATION”. Asian Journal of Pharmaceutical and Clinical Research, vol. 18, no. 9, Sept. 2025, pp. 201-10, doi:10.22159/ajpcr.2025v18i9.56543.

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