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All Journal Indonesian Journal of Chemistry
Abbas, Haneen Fadhil
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Chemical Engineering, Chemistry & Bioengineering Chemistry

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Synthesis, Characterization, and Anti-Breast Cancer Properties of Cu(II) Complexes with Schiff Base and Azo Dye Ligands Abbas, Haneen Fadhil; Aldoghachi, Faris Jassim; Salih, Basil Abdulmahdi; Taufiq-Yap, Yun Hin
Indonesian Journal of Chemistry Vol 25, No 3 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.103683

Abstract

This article focuses on the synthesis of three Schiff base ligands derived from 2-hydroxybenzaldehyde (B: BBr, BOCH3, BNO2) and three azo dye ligands derived from naphthol (A: ABr, AOCH3, ANO2), followed by the preparation of copper(II) complexes with these six ligands in a 1:2 (metal:ligand) ratio. The ligands and complexes were characterized by using 1H-NMR, 13C-NMR, FTIR, UV-vis, and ESI-MS. Thermogravimetric and differential thermal analyses of the copper complexes indicated the absence of water molecules in the crystalline coordination, demonstrating high thermal stability. The findings confirmed the formation of square-planar copper complexes. The biological activity of the complexes was evaluated on breast cancer and healthy cells using the MTT assay at different concentrations. The IC50 analysis showed that CuABr, CuBBr, and CuAOCH3 had a significantly more substantial cytotoxic effect on cancer cells than on healthy cells. CuBOCH3 and CuBNO2 also exhibited notable selectivity toward cancer cells, whereas CuANO2 was more toxic to normal cells. These findings highlight the potential of CuABr, CuBBr, and CuAOCH3 as promising candidates for further development in targeted breast cancer therapy.
Co-Authors Aldoghachi, Faris Jassim Salih, Basil Abdulmahdi Taufiq-Yap, Yun Hin