Document Type : Research Paper
Authors
Collage of Education for Women- University of Anbar
Abstract
The complexes of manch base (derived from Salicylaldehyde and represented by L1:(1,1-(piperazine-1,4-diylbis((2-hydroxyphenyl)methylene))di urea
L2:(N,N-piperazine-1,4-diylbis((2- hydroxyphenyl)methylene))dithiourea
with transition metal salt of Zn(II), Co(II), Ni(II) and Cu(II) were prepared . They were characterized by using (FT-IR) spectroscopy,(UV-Vis.) spectrophotometery, also by using molar conductance . This study showed that ligands as a chelating bidentate and the Co , Zn complexes have an octahedral geometry, and the Cu , Ni complexes have square planer and tetrahedral geometry respectively. The free ligands and their complexes have been tested for their antibacterial activities against two kinds of human pathogenic bacteria: (Staphylococcus aureus), (Escherichia coli ). The first group are Gram positive while the second group are Gram negative by using agar well diffusion method. Finally , it was found that compounds show different activity of inhibition on growth of the bacteria.
Main Subjects
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