Abstract:
The new tridentate schiff base type (NOO) namely ((1,5-Diemthyl-3-oxo-2-phenyl-2,3-
dihydro-1H-pyrazol-4-ylimino) (HL) was prepared from condensation of 4-AAP and
glyoxylic acid in ethanol as a solvent in presence of a few drops of 48% HBr as catalyst. The
new schiff base ligand (HL) was reacted with some metal ions in ethanol to give a series of
new metal complexes of two molecular formula:
[VO(HL)2(SO4)].3H2O and [M(L)2].XH2O, (Where: M
II
=(Mn, X=3); (Co, X=2);
(Ni, X=3); (Cu, X=2); (Zn, X=2); (Cd, X=2); (Hg, X=3); HL=C13H13N3O3, L= C13H12N3O3.
All prepared compounds were characterized by spectroscopic methods (FT-IR, U.V-Vis,
1H-,
13C-NMR atomic absorption), elemental microanalysis C.H.N., magnetic susceptibility,
molar conductivity along with melting point. From the data of all technique, the suggested
geometrical structure for all prepared complexes were octahedral geometry. The new schiff
base ligand (HL) and it's metal complexes were screened for their antibacterial activity
against bacteria, staphylococcus aureus, Bacillus, Escherichia coli and pseudomonas aureus.