Charge distribution in transition-metal complexes of a Schiff base biquinone ligand. Structural and electrochemical properties of the MII(Cat-N-BQ)2MIII(Cat-N-BQ)(Cat-N-SQ)MIV(Cat-N-SQ)2 tautomeric series

1989 ◽  
Vol 28 (24) ◽  
pp. 4379-4385 ◽  
Author(s):  
Cathy L. Simpson ◽  
Steven R. Boone ◽  
Cortlandt G. Pierpont
Keyword(s):  
Schiff Base ◽  
Transition Metal ◽  
Metal Complexes ◽  
Electrochemical Properties ◽  
Charge Distribution ◽  
Transition Metal Complexes

Synthesis, Characterization and in vitro Biological Evaluation of a New Schiff Base Derived from Drug and its Complexes with Transition Metal Ions

2018 ◽  
Vol 69 (7) ◽  
pp. 1678-1681
Author(s):  
Amina Mumtaz ◽  
Tariq Mahmud ◽  
M. R. J. Elsegood ◽  
G. W. Weaver
Keyword(s):  
Schiff Base ◽  
Transition Metal ◽  
Metal Ions ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Free Ligand ◽  
Transition Metal Ions ◽  
Biological Evaluation ◽  
Pyridoxal Hydrochloride

New series of copper (II), cobalt (II), zinc (II), nickel (II), manganese (II), iron (II) complexes of a novel Schiff base were prepared by the condensation of sulphadizine and pyridoxal hydrochloride. The ligand and metal complexes were characterized by utilizing different instrumental procedures like microanalysis, thermogravimetric examination and spectroscopy. The integrated ligand and transition metal complexes were screened against various bacteria and fungus. The studies demonstrated the enhanced activity of metal complexes against reported microbes when compared with free ligand.

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