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Photo-induced helix-helix transition of a polystyrene derivative

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Title: Photo-induced helix-helix transition of a polystyrene derivative
Authors: Wang, Yue Browse this author
Sakamoto, Takeshi Browse this author
Koyama, Yasuhito Browse this author →KAKEN DB
Takanashi, Yuma Browse this author
Kumaki, Jiro Browse this author →KAKEN DB
Cui, Jiaxi Browse this author
Wan, Xinhua Browse this author
Nakano, Tamaki Browse this author →KAKEN DB
Issue Date: 7-Feb-2014
Publisher: Royal Society of Chemistry
Journal Title: Polymer chemistry
Volume: 5
Issue: 3
Start Page: 718
End Page: 721
Publisher DOI: 10.1039/c3py01492d
Abstract: Poly(2,5-bis[4-((S)-2-methylbutyloxy)phenyl]styrene) having a helical conformation underwent helix-helix transition upon photo-irradiation. Conformational transition can significantly alter polymer properties, and so far thermal stereomutation has been studied. However, as for photo-induced mutation, only helix-helix transition (irreversible CD-active to CD-silent helix transition) of a polyacrylate has been explored. Here, we present mutation of the polystyrene derivative. Chiroptical, viscometric, and vibrational spectroscopic analyses indicated the polymer mutated from an optically active helix to another optically inactive helix with a different shape.
Type: article (author version)
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 中野 環

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