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Updated: Jul 15, 2025

Controlled Photoredox Ring-Opening Polymerization of O-Carboxyanhydrides Mediated by Ni/Zn Complexes
Published on: November 21, 2017
Recent advances in enantioselective ring-opening polymerization and copolymerization.
Xiaoyu Xie1, Ziyu Huo1, Eungyo Jang1
1Department of Chemical Engineering, Virginia Polytechnic Institute and State University, 635 Prices Fork Road, Blacksburg, Virginia, 24061, USA.
Researchers are developing sustainable polymers using controlled ring-opening polymerization. This method creates stereoregular polymers with enhanced properties, offering alternatives to traditional plastics.
Area of Science:
- Polymer Chemistry
- Materials Science
- Organic Synthesis
Background:
- Sustainable materials are crucial alternatives to petrochemical-based polyolefins.
- Controlling macromolecular stereochemistry and sequences enhances polymer properties.
- Degradable polyesters, polycarbonates, and polyethers are of recent interest.
Purpose of the Study:
- To highlight the state-of-the-art in enantioselective ring-opening polymerization for microstructure-defined polymers.
- To present the structures and performances of homogeneous enantioselective catalysts.
- To discuss trends and future challenges in this polymerization chemistry.
Main Methods:
- Enantioselective ring-opening polymerization of racemic monomers.
- Ring-opening copolymerization of racemic monomers.
- Synthesis and characterization of stereoregular polymers.
Main Results:
- Access to stereoregular polymers, including enantiopure polymers.
- Formation of polymer stereocomplexes with improved physicochemical and mechanical properties.
- Demonstration of microstructure-defined polymer synthesis.
Conclusions:
- Enantioselective polymerization provides precise control over polymer microstructure.
- This approach yields polymers with superior properties, suitable for sustainable applications.
- Further development of catalysts and processes is needed to address future challenges.
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