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Updated: Dec 30, 2025
10:51
The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
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Functionalization of Ruthenium(II)(η6 -p-cymene)(3-hydroxy-2-pyridone) Complexes with (Thio)Morpholine: Synthesis and
Muhammad Hanif1,2, Samuel M Meier2,3, Zenita Adhireksan4
1School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand.
Chempluschem
|January 22, 2020
Summary
New organometallic compounds based on hydroxypyridinones show potential as drug candidates. These ruthenium complexes exhibit stability in water and bind to proteins, with preliminary studies indicating kinase inhibitory activity.
Area of Science:
- Organometallic Chemistry
- Medicinal Chemistry
- Biochemistry
Background:
- Hydroxypyridinones are promising scaffolds for drug design due to their biocompatibility.
- Morpholine and thiomorpholine are frequently used to modify drug physicochemical properties.
Purpose of the Study:
- To synthesize and characterize novel [RuII(η6-p-cymene)] complexes with functionalized 3-hydroxy-2-pyridinone ligands.
- To investigate the stability, reactivity, and biological activity of these organometallic compounds.
Main Methods:
- Synthesis of ruthenium complexes.
- Stability studies using 1H NMR spectroscopy and ESI-MS.
- Binding experiments with nucleosome core particles via X-ray crystallography.
- Preliminary kinase inhibition assays (CDK2/cyclin A).
Main Results:
- Aqua species of the synthesized complexes were stable in aqueous solution for up to 48 hours.
- Compounds formed adducts with amino acids and proteins by cleaving the pyridinone ligand.
- X-ray crystallography revealed exclusive binding to histidine residues in histone proteins.
- Preliminary studies showed promising CDK2/cyclin A kinase inhibitory activity.
Conclusions:
- The reported hydroxypyridinone-based ruthenium complexes are stable and exhibit specific protein binding.
- These compounds represent a viable platform for developing new organometallic drugs with potential kinase inhibitory effects.
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