Authors: Garima, Ravi Kumar Rana, Niranjan Singh Rathee
Abstract: In the current research work a new Schiff base (2,2'-((1E,1'E)-((4-methyl-1,2-phenylene)bis(azaneylylidene))bis(methaneylylidene))bis(4-bromophenol) (H2L) and its metal complexes were prepared using condensation reaction of 3,4-diaminotoluene and 5-bromo salicylaldehyde. The Schiff base was further coordinated with Co2+, Ni2+, Cu2+& Zn2+ metal ions to synthesize its 1:1 metal complexes. All the synthesized compounds were examined using a variety of characterisation methods, including proton-NMR, electronic, mass, ESR, IR spectroscopy and TGA. FT-IR and NMR spectral data elucidate that the metal ions are coordinated with the tetradentate ligand through 2-N (imine) and 2-O (hydroxyl) atoms. All of the metal complexes were assumed to have an octahedral geometry based on the UV-Visible spectra. Antibacterial & antifungal activity of synthesized product was tested. The results demonstrated that all the sample exhibited considerable antimicrobial properties.
DOI: https://doi.org/10.5281/zenodo.17557767
