scholarly journals Transition metal complexes of phyllobilins – a new realm of bioinorganic chemistry

2015 ◽  
Vol 44 (22) ◽  
pp. 10116-10127 ◽  
Author(s):  
Chengjie Li ◽  
Bernhard Kräutler
Keyword(s):  
Transition Metal ◽  
Metal Ions ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Photophysical Properties ◽  
Bioinorganic Chemistry ◽  
Transition Metal Ions ◽  
Natural Ligand

Phyllobilins may function as natural ligand molecules for biologically important transition metal ions, giving complexes with remarkable chemical and photophysical properties.

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.

Yellow-to-brown and yellow-to-green electrochromic devices based on complexes of transition metal ions with a triphenylamine-based ligand

2020 ◽  
Vol 49 (42) ◽  
pp. 15041-15053 ◽  
Author(s):  
Radosław Banasz ◽  
Maciej Kubicki ◽  
Monika Wałęsa-Chorab
Keyword(s):  
Transition Metal ◽  
Metal Ions ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Transition Metal Ions ◽  
Electrochromic Devices ◽  
Electrochromic Properties

The combination of the electrochromic properties of transition metal complexes and ligand molecules led to preparation of materials exhibiting transmissive-to-colored switching.

Photoswitchable transition metal complexes with azobenzene-functionalized imine-based ligands: structural and kinetic analysis

2018 ◽  
Vol 47 (40) ◽  
pp. 14254-14262 ◽  
Author(s):  
G. Markiewicz ◽  
A. Walczak ◽  
F. Perlitius ◽  
M. Piasecka ◽  
J. M. Harrowfield ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Ions ◽  
Metal Complexes ◽  
Kinetic Analysis ◽  
Transition Metal Complexes ◽  
Transition Metal Ions

We report on the characterization of two imine type ligands containing photoresponsive azobenzene units as side groups and their transition metal ions complexes.

Polyoxometalate tri-supported transition metal complexes containing mixed-valent transition metal ions

2015 ◽  
Vol 68 (21) ◽  
pp. 3814-3824 ◽  
Author(s):  
Li-Wei Fu ◽  
Li-Na Xiao ◽  
Hai-Yang Guo ◽  
Yang-Yang Hu ◽  
Lan-Lan Guo ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Ions ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Transition Metal Ions

Novel Chemotherapeutic Agents - The Contribution of Scorpionates

2020 ◽  
Vol 26 (41) ◽  
pp. 7452-7475 ◽  
Author(s):  
Marta A. Andrade ◽  
Luísa M.D.R.S. Martins
Keyword(s):  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Anticancer Agents ◽  
Medicinal Chemistry ◽  
Bioinorganic Chemistry ◽  
Chemotherapeutic Agents ◽  
Great Role ◽  
Anticancer Properties ◽  
Scorpionate Ligands

: The development of safe and effective chemotherapeutic agents is one of the uppermost priorities and challenges of medicinal chemistry and new transition metal complexes are being continuously designed and tested as anticancer agents. Scorpionate ligands have played a great role in coordination chemistry, since their discovery by Trofimenko in the late 1960s, with significant contributions in the fields of catalysis and bioinorganic chemistry. Scorpionate metal complexes have also shown interesting anticancer properties, and herein, the most recent (last decade) and relevant scorpionate complexes reported for application in medicinal chemistry as chemotherapeutic agents are reviewed. The current progress on the anticancer properties of transition metal complexes bearing homo- or hetero- scorpionate ligands, derived from bis- or tris-(pyrazol-1-yl)-borate or -methane moieties is highlighted.

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