New Monomeric (CoII, NiII, CuII and ZnII) Metal Complexes of a Bidentate Schiff-base Ligand; Synthesis, Characterisation and Biological Studies

2012 ◽  
Vol 15 (2) ◽  
pp. 63-70
Author(s):  
Enaam I. Yousif ◽  
Keyword(s):  
Schiff Base ◽  
Metal Complexes ◽  
Schiff Base Ligand ◽  
Biological Studies ◽  
Bidentate Schiff Base Ligand ◽  
Ligand Synthesis

Novel nickel(II) and manganese(III) complexes with bidentate Schiff-base ligand: synthesis, spectral, thermogravimetry, electrochemical and electrocatalytical properties

2015 ◽  
Vol 42 (5) ◽  
pp. 4839-4858 ◽  
Author(s):  
Brahim Bouzerafa ◽  
Ali Ourari ◽  
Djouhra Aggoun ◽  
Ramiro Ruiz-Rosas ◽  
Yasmina Ouennoughi ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Bidentate Schiff Base Ligand ◽  
Ligand Synthesis

Zinc (II) complex with a cationic Schiff base ligand: Synthesis, characterization, and biological studies

2014 ◽  
Vol 121 ◽  
pp. 101-108 ◽  
Author(s):  
Sze Koon Lee ◽  
Kong Wai Tan ◽  
Seik Weng Ng ◽  
Kah Kooi Ooi ◽  
Kok Pian Ang ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Biological Studies ◽  
Ligand Synthesis

Synthesis, spectral characterization and some biological studies of transition metal complexes with Schiff base ligand containing N,O and S as donor atoms

2017 ◽  
Vol 13 (9) ◽  
pp. 6513-6519
Author(s):  
Anil Kumar M R ◽  
Shanmukhappa S ◽  
Rangaswamy B E ◽  
Revanasiddappa M
Keyword(s):  
Schiff Base ◽  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Schiff Base Ligand ◽  
Dna Cleavage ◽  
Schiff Base Complexes ◽  
Spectral Studies ◽  
Planar Geometry ◽  
Biological Studies

Transition metal complexes of Cu(II), Co(II), Ni(II), Zn(II), Cd(II) and Mn(II) have been synthesized with the Schiff base ligand 5-Sub-N-(2-mercaptophenyl)salicylideneimine. Elemental analysis of these complexes suggest that these metal ions forms complexes of type ML(H2O)stoichiometry for Cu(II), Co(II), Ni(II), Zn(II), Cd(II) and Mn(II). The ligand behaves as tridentate and forms coordinate bonds through O, S and N atoms. Magnetic susceptibility, IR, UV – Visible, Mass and ESR spectral studies suggest that Cu(II), Ni(II) complexes posses square planar geometry, whereas Co(II), Zn(II), Cd(II) and Mn(II) complexes posses tetrahedral geometry. The complexes were tested for their antimicrobial activity against the bacterial strains Staphylococcus aureus and Bacillus subtilis.The Schiff base metal complexes evaluated for their antifungal activity against the fungi A. niger and C. oxysporum. The DNA cleavage studies of Schiff base complexes werestudied using Calf – Thymus DNA by agarose gel electrophoresis method.

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