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Updated: Jul 1, 2025

Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents

Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents

Published on: May 28, 2014

Click-Capable Phenanthriplatin Derivatives as Tools to Study Pt(II)-Induced Nucleolar Stress.

Paul D O'Dowd^1,2, Andres S Guerrero³, Katelyn R Alley³

¹Department of Chemistry, Royal College of Surgeons in Ireland, Dublin D02 YN77, Ireland.

ACS Chemical Biology

|March 14, 2024

Summary

Researchers developed new platinum-click complexes to study how platinum anticancer drugs cause nucleolar stress. These compounds mimic cellular responses, aiding the discovery of drug targets and the design of novel platinum therapeutics.

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Published on: May 14, 2016

Area of Science:

Medicinal Chemistry
Cancer Biology
Molecular Pharmacology

Background:

Oxaliplatin and phenanthriplatin induce nucleolar stress, a distinct mechanism from cisplatin and carboplatin.
The precise mechanisms of platinum-induced nucleolar stress remain largely unknown.
Understanding these mechanisms is crucial for designing effective platinum-based chemotherapeutics.

Purpose of the Study:

To synthesize and characterize novel click-capable phenanthriplatin complexes.
To investigate the utility of these complexes in studying platinum-induced nucleolar stress.
To elucidate the biological targets of phenanthriplatin and related platinum compounds.

Main Methods:

Synthesis and characterization of platinum-click complexes.
Monitoring nucleolar protein relocalization.
Assessing RNA transcription levels and DNA damage (γH2AX).
Evaluating in vitro cytotoxicity.

Main Results:

Successful synthesis of the first click-capable phenanthriplatin complexes.
These complexes effectively mimic cellular responses to phenanthriplatin.
Demonstrated ability to track nucleolar protein dynamics and DNA damage.
Confirmed in vitro anticancer activity.

Conclusions:

The developed platinum-click complexes are valuable tools for studying nucleolar stress.
These compounds expand the available library of platinum-click agents.
They offer a promising avenue for elucidating platinum drug mechanisms and targets.