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Updated: Jul 5, 2025

Depolymerizable Olefinic Polymers Based on Fused-Ring Cyclooctene Monomers
Published on: December 16, 2022
Exploiting Multimetallic Cooperativity in the Ring-Opening Polymerization of Cyclic Esters and Ethers
Utku Yolsal1, Peter J Shaw1, Phoebe A Lowy1
1School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh, EH9 3FJ, United Kingdom.
Multimetallic catalysts boost ring-opening polymerization performance through cooperativity. This review clarifies how metal-metal distances, ligand design, and coordination environments drive this enhanced catalytic activity.
Area of Science:
- Catalysis
- Polymer Chemistry
- Organometallic Chemistry
Background:
- Multimetallic complexes offer enhanced performance in ring-opening polymerization compared to monometallic catalysts.
- This performance enhancement is often attributed to "multimetallic cooperativity", but its origins are not fully understood.
Purpose of the Study:
- To explore the key factors contributing to multimetallic cooperativity in catalysis.
- To provide insights into the mechanisms of cooperativity and guide the development of efficient multimetallic catalysts.
Main Methods:
- Review of literature on multimetallic catalysts for ring-opening polymerization.
- Analysis of factors influencing catalyst performance, including metal-metal distances, ligand properties, and coordination environments.
Main Results:
- Identified metal-metal distances, ligand framework flexibility, electronics, conformation, and metal coordination environments as critical factors.
- Highlighted emerging trends in understanding and harnessing multimetallic cooperativity.
Conclusions:
- Multimetallic cooperativity arises from a complex interplay of structural and electronic factors.
- Understanding these factors is crucial for designing next-generation highly efficient multimetallic catalysts.
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