Evidence map›Paper›PMID 41358032›Full record

ArticleChemical science2026

Chiral poly(aza-norbornene) derivatives with tunable tacticity and living ROMP capability.

Jing Bai, Yu Wang, Yisong Wang, Na Zhang, Xiaoyang Wang, Yan Xu, Wei You

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Article in Chemical science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

Jing BaiBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China weiyou@iccas.ac.cn ywang507@iccas.ac.cn.
Yu WangBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China weiyou@iccas.ac.cn ywang507@iccas.ac.cn.ORCID https://orcid.org/0009-0002-3644-7368
Yisong WangBeijing National Laboratory of Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University Beijing 100871 China yanx@pku.edu.cn.
Na ZhangBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China weiyou@iccas.ac.cn ywang507@iccas.ac.cn.
Xiaoyang WangBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China weiyou@iccas.ac.cn ywang507@iccas.ac.cn.
Yan XuBeijing National Laboratory of Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University Beijing 100871 China yanx@pku.edu.cn.
Wei YouBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China weiyou@iccas.ac.cn ywang507@iccas.ac.cn.ORCID https://orcid.org/0000-0002-8698-309X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Ring-opening metathesis polymerization (ROMP) is a powerful tool to produce various polymers with diverse structures and functions, but its tacticity controllability, especially for enantio-pure monomers, is relatively unexplored. The challenge lies in both the difficulty of achieving chiral monomers and the control of head/tail regioselectivity during ROMP. We herein report the synthesis and application of a sulfonamide derivative of commercial chiral Vince lactam. The easily available monomer showed simultaneous living ROMP capability and tunable head/tail regioselectivity with commercial Ru-based catalysts. More specifically, the use of the Grubbs' III catalyst (Ru-3) gave rise to head-to-tail regioselectivity, leading to isotactic "living" polymers. In contrast, the use of cyclometalated Ru-based catalysts (Ru-4 and Ru-5) enabled the formation of head-to-head polymers, leading to syndiotactic polymers. Detailed experimental and DFT studies suggest that the regioselectivity is dominated by the chain-end-control mechanism. The precise microstructural tunability enables us to systematically investigate thermal properties, crystallinity, and dielectric properties of the hydrogenated ROMP polymers.

Identifiers

PMID41358032
PMCPMC12679507

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