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Programmed folding intospiro-multicyclic polymer topologies from linear and star-shaped chains

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Title: Programmed folding intospiro-multicyclic polymer topologies from linear and star-shaped chains
Authors: Mato, Yoshinobu Browse this author
Honda, Kohei Browse this author
Ree, Brian J. Browse this author
Tajima, Kenji Browse this author
Yamamoto, Takuya Browse this author
Deguchi, Tetsuo Browse this author
Isono, Takuya Browse this author
Satoh, Toshifumi Browse this author →KAKEN DB
Issue Date: 4-Aug-2020
Publisher: Nature Publishing Group
Journal Title: Communications Chemistry
Volume: 3
Issue: 1
Start Page: 97
Publisher DOI: 10.1038/s42004-020-00355-4
Abstract: The development of precise folding techniques for synthetic polymer chains that replicate the unique structures and functions of biopolymers has long been a key challenge. In particular,spiro-type (i.e., 8-, trefoil-, and quatrefoil-shaped) polymer topologies remain challenging due to their inherent structural complexity. Herein, we establish a folding strategy to producespiro-type multicyclic polymers via intramolecular ring-opening metathesis oligomerization of the norbornenyl groups attached at predetermined positions along a synthetic polymer precursor. This strategy provides easy access to the desiredspiro-type topological polymers with a controllable number of ring units and molecular weight while retaining narrow dispersity (& x189; < 1.1). This effective strategy marks an advancement in the development of functionalized materials composed of specific three-dimensional nanostructures. Intramolecular ring-opening metathesis oligomerisation is a useful method for constructing multicyclic polymer cages. Here, it is applied to the synthesis of spirocyclic polymers with figure-8, trefoil, and quatrefoil structures with low polydispersity.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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