ArticleNature chemistry2024
Proton-triggered topological transformation in superbase-mediated selective polymerization enables access to ultrahigh-molar-mass cyclic polymers.
Article in Nature chemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Precise Structural Design for Chemically Recyclable Polymers.Precision chemistry · 2026Review
- Covalent Borane-Thiourea Organocatalyst for Stereoselective Ring-Opening Polymerization.Angewandte Chemie (International ed. in English) · 2026Article
- Stereoselective Ring-Opening Polymerization of Racemic Dithiolactones Assisted by Non-Classical C─H⋯X Interactions.Angewandte Chemie (International ed. in English) · 2026Article
- Metathesis-Sourced Epoxides in Ring-Opening Copolymerization: Selective Access to Degradable Polythioesters.Macromolecular rapid communications · 2026Article
- A Polycondensation-depolymerization strategy enables closed-loop recyclable polyoxalatesChemical science · 2026Article
- Synthesis of recyclable polyesters via aNational science review · 2025Article
- High-performance recyclable polymers enabled by stereo- and sequence-controlled polymerization.Nature chemistry · 2025Article
- Sequence Control in Sulphur-Containing Ring-Opening Co- and Terpolymerisations.Angewandte Chemie (International ed. in English) · 2025Review
- Improving Circularity via Chemical Recycling to all Rings.Angewandte Chemie (International ed. in English) · 2025Article
- Precise placement of thioester bonds into sequence-controlled polymers containing ABAC-type units.Nature communications · 2025Article
- Circularity in polydiketoenamine thermoplastics via control over reactive chain conformation.Science advances · 2025Article
- Unified understanding of the impact of semiflexibility, concentration, and molecular weight on macromolecular-scale ring diffusion.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Strong Bases and beyond: The Prominent Contribution of Neutral Push-Pull Organic Molecules towards Superbases in the Gas Phase.International journal of molecular sciences · 2024Review
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
The selective synthesis of ultrahigh-molar-mass (UHMM, >2 million Da) cyclic polymers is challenging as an exceptional degree of spatiotemporal control is required to overcome the possible undesired reactions that can compete with the desired intramolecular cyclization. Here we present a counterintuitive synthetic methodology for cyclic polymers, represented here by polythioesters, which proceeds via superbase-mediated ring-opening polymerization of gem-dimethylated thiopropiolactone, followed by macromolecular cyclization triggered by protic quenching. This proton-triggered linear-to-cyclic topological transformation enables selective, linear polymer-like access to desired cyclic polythioesters, including those with UHMM surpassing 2 MDa. In addition, this method eliminates the need for stringent conditions such as high dilution to prevent or suppress linear polymer contaminants and presents the opposite scenario in which protic-free conditions are required to prevent cyclic polymer formation, which is capitalized to produce cyclic polymers on demand. Furthermore, such UHMM cyclic polythioester exhibits not only much enhanced thermostability and mechanical toughness, but it can also be quantitatively recycled back to monomer under mild conditions due to its gem-disubstitution.
Identifiers
38649467What OpenQuestion holds
Registered trials
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