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Supramolecular chiroptical switching of helical-sense preferences through the two-way intramolecular transmission of a single chiral source

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Title: Supramolecular chiroptical switching of helical-sense preferences through the two-way intramolecular transmission of a single chiral source
Authors: Katoono, Ryo Browse this author →KAKEN DB
Kusaka, Keiichi Browse this author
Tanaka, Yuki Browse this author
Fujiwara, Kenshu Browse this author →KAKEN DB
Suzuki, Takanori Browse this author →KAKEN DB
Issue Date: 21-Feb-2018
Publisher: Royal Society of Chemistry
Journal Title: Organic & biomolecular chemistry
Volume: 16
Issue: 7
Start Page: 1167
End Page: 1171
Publisher DOI: 10.1039/c7ob03057f
PMID: 29376181
Abstract: We demonstrate a chiroptical switching system with a simple molecule. The molecule contains a pair of chromophores of diphenylacetylene that are linked with a diyne bond and arranged to exert exciton coupling in helically folded forms with (M)- or (P)-helicity. A tertiary amide group is attached to each end of the looped molecule. The amide carbonyls were used to capture a ditopic hydrogen-bonding guest. A chiral auxiliary group on the amide nitrogen acted as a chiral handle to control the helical-sense preference of dynamic helical forms of the loop. The helical-sense preference is brought about by an intramolecular transmission of point chirality associated with the loop. The preferred sense was switched upon complexation with an achiral additive through the formation of hydrogen bonds. In both states, before and after complexation, the helical-sense preferences were controlled through two-way transmission of the single chiral source.
Description: アクセプト後にタイトル変更あり、著者最終稿は変更前のタイトル"Supramolecular chiroptical switching of helical-sense preferences through the two-way intramolecular transmission of a single chiral source associated with a dynamic helical loop"
Type: article (author version)
URI: http://hdl.handle.net/2115/72699
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 上遠野 亮

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