Abstract
MIIMC, MMIIMC, and CMIIMC are biologically significant Schiff bases formed by the condensation of 3-amino-5-methyl isoxazole with formyl chromone. Substituted formyl chromones and metal chelates containing Cu(II), Ni(II), Co(II), and Zn(II) are prepared. These were studied utilising elemental analysis, FTIR, UV-VIS, 1H, 13C, mass spectra, magnetic susceptibility, conductance tests, and thermogravimetric techniques. The data revealed that the ligands display neutral, bidentate coordination through carbonyl oxygen and azomethine nitrogen. The antibacterial activity of the ligands and metal complexes is determined in vitro against bacteria and fungus using the paper disc method. Metal chelates have significantly higher MIC values against bacteria than ligands. The DNA binding properties of Cu(II) complexes were examined. MTT is used to determine the complexes' anticancer efficacy against HL60 tumour cells. The researchers discovered that the complexes prevented apparent morphological alterations. The inhibition ratio was hastened by increasing the dosage, and it had a strong positive association with the medicine dosage. Thermal analysis of complexes showed initial mass loss due to moisture and hydrated water molecules, followed by weight loss at 220oC due to coordinated water molecules, indicating metal oxide breakdown.
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