首页|In Situ Supramolecular Polymerization via Organometallic-Catalyzed Macromolecular Metamorphosis

In Situ Supramolecular Polymerization via Organometallic-Catalyzed Macromolecular Metamorphosis

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Integrating catalytic reactions with molecular assem-bly is a promising means of achieving controllable supramolecular polymerization.We report herein a novel and controllable method for in situ supramole-cular polymerization via organometallic-catalyzed macromolecular metamorphosis.To this end,covalent polymers with polypentenamer backbones and pen-dant supramolecular motifs are designed and synthe-sized.By depolymerizing the polymers with Grubbs catalysts,the supramolecular motifs can be gradually released from the polymers to the solution.Supramo-lecular polymerization occurs when a critical concen-tration is reached.The supramolecular polymerization process was readily controlled by varying the rate of the depolymerization reaction.This work presents a novel approach that uses organometallic catalysis to transform covalent polymers into supramolecular polymers.It offers a new means of constructing com-plex molecular systems in a controllable manner.

supramolecular polymerizationorgano-metallic catalysismacromolecular metamorphosisin situ self-assemblypolymer depolymerization

Xiwen Yang、Qianqian Ji、Jiaxiong Liu、Yiliu Liu

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South China Advanced Institute for Soft Matter Science and Technology,School of Emergent Soft Matter,South China University of Technology,Guangzhou 510640

National Key R&D Program of China国家自然科学基金广东省自然科学基金Open Project of State Key Laboratory for Supramolecular Structure and MaterialsResearch Fund Program of Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices

2021YFA1501600219010772016ZT06C322SKLSSM20210122019B121203003

2023

10.31635/ccschem.022.202201936

中国化学会会刊(英文)

中国化学会会刊(英文)

CSCD
ISSN：
年,卷(期)：2023.5(3)
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