scholarly journals Potentiometric Study of a New Schiff Base and its Metal Ion Complexes: Preparation, Characterization and Biological Activity

2020 ◽  
pp. 10785-10801 ◽  
Author(s):  
Hamed M. Al-Saidi ◽  
Keyword(s):  
Biological Activity ◽  
Schiff Base ◽  
Metal Ion ◽  
Metal Ion Complexes ◽  
Potentiometric Study

scholarly journals Synthesis and Spectral Analysis of Some Metal Ions Complexes with Mixed Ligands of Schiff Base and 1, 10-Phenanthroline

2017 ◽  
Vol 14 (1) ◽  
pp. 135-147
Author(s):  
Baghdad Science Journal
Keyword(s):  
Schiff Base ◽  
Metal Ions ◽  
Metal Complexes ◽  
Mass Spectrometer ◽  
Schiff Base Ligand ◽  
Metal Ion ◽  
Molecular Structures ◽  
Spectroscopic Techniques ◽  
Metal Ion Complexes ◽  
Free Schiff Base

The free Schiff base ligand (HL1) is prepared by being mixed with the co-ligand 1, 10-phenanthroline (L2). The product then is reacted with metal ions: (Cr+3, Fe+3, Co+2, Ni+2, Cu+2 and Cd+2) to get new metal ion complexes. The ligand is prepared and its metal ion complexes are characterized by physic-chemical spectroscopic techniques such as: FT-IR, UV-Vis, spectra, mass spectrometer, molar conductivity, magnetic moment, metal content, chloride content and microanalysis (C.H.N) techniques. The results show the formation of the free Schiff base ligand (HL1). The fragments of the prepared free Schiff base ligand are identified by the mass spectrometer technique. All the analysis of ligand and its metal complexes are in good agreement with the theoretical values indicating the purity of Schiff base ligand and the metal complexes. From the above data, the molecular structures for all the metal complexes are proposed to be octahedral

Hexa Schiff-base cryptands: solution thermodynamic and X-ray crystallographic studies of main group, transition and heavy metal ion complexes

1996 ◽  
pp. 2747-2755 ◽  
Author(s):  
Rym Abidi ◽  
Françoise Arnaud-Neu ◽  
Michael G. B. Drew ◽  
Sarah Lahély ◽  
Debbie Marrs ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Schiff Base ◽  
Metal Ion ◽  
Main Group ◽  
Heavy Metal Ion ◽  
Metal Ion Complexes ◽  
X Ray

Metal Ion Complexes with Pyrazoles, Aziridines and Diaziridines – Synthesis and Biological Activity

2019 ◽  
Vol 26 (4) ◽  
pp. 648-663 ◽  
Author(s):  
Katarzyna Malinowska ◽  
Ingo-Peter Lorenz ◽  
Beata Sadowska ◽  
Paulina Mucha
Keyword(s):  
Biological Activity ◽  
Metal Ion ◽  
Biological Significance ◽  
Antimicrobial Properties ◽  
Transition Metal Ions ◽  
Antitumor Action ◽  
Metal Ion Complexes ◽  
Current State ◽  
Wide Range ◽  
The Relationship

Heterocyclic compounds containing nitrogen ions, like pyrazoles, aziridines, diaziridines and their metal ion complexes with Cu(II), Zn(II) and Ru(III) and others exhibit a wide range of biological activity, including mainly anti-inflammatory, antioxidant, anticancer, and antimicrobial properties. Biological significance of these molecules and thus their potential use in medicine has driven growing interest into their coordination chemistry. A knowledge of the relationship between the structure of chemical compounds and their activity is needed for the synthesis of the preparations possessing the most beneficial features. The choice of interposed substituents may improve biocidal and antitumor action, reduce the toxicity of the initial substance, or even completely eliminate its adverse effects for healthy tissues. The main aim of this review paper is to present the current state of knowledge concerning the synthesis and biological activity of complexes with small heterocyclic ligands containing transition metal ions.

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