Synthesis, Characterization And Spectroscopic Study of New 3-{[(4,6-Dihydroxy Pyrimidin-2-yl)imino]methyl}Napthalen-2-ol Schiff-Base Ligand And It’s Transition Metal Complexes

D.T. Sakhare¹

Section:Research Paper, Product Type: Journal-Paper
Vol.11 , Issue.5 , pp.6-12, Oct-2024

Online published on Oct 31, 2024

Copyright © D.T. Sakhare . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
In this work, new heterocyclic Schiff bases ligands derived from 2-amino-4,6-dihydroxypyrimidine with 2-hydroxy-1-naphthaldehyde (L?) was synthesized. These ligand used to synthesis complexes of Co(II) & Mn (II). The synthesized compounds have been characterized by FT-IR, 1H-NMR and UV-Vis techniques for the ligands and FT-IR, UV-Vis, all reactions monitored by TLC, molar conductivity and magnetic susceptibility measurements for the corresponding complexes. General formula of complexes are [M(L1)2(H2O)2] Where M= Co(II) & Mn(II). The complexe is paramagnetic. The results of the molar conductivity measurements indicated that all complexes are non-electrolytes in (DMSO). An octahedral geometry for all the complexes of. The ligands are bidentate, (L?) through phenolic (OH) and azomethine nitrogen. The ligand and its complexes were screened for their antifungal and antibacterial activity against Aspergillus niger, Penicillium chrysogenum, Fusarium moneliforme and Aspergllus flavus .and Escherichia coli, Salmonella typhi, Staphylococcus aureus, B. subtilis. The result indicated that the complexes exhibited good antifungal and antibacterial activities.

Key-Words / Index Term :
Schiff bases, 2-hydroxy-1-naphthaldehyde, 2-amino-4,6-dihydroxypyrimidine, Antimicrobial Activity

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