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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Synthesis of Single‐Handed Helical Spiro‐Conjugated Ladder Polymers through Quantitative and Chemoselective Cyclizations

http://hdl.handle.net/2237/0002001585
http://hdl.handle.net/2237/0002001585
c23f343d-8a8c-4c70-84dd-c9ecb5d4ac47
名前 / ファイル ライセンス アクション
Ikai_manuscript.pdf Ikai_manuscript.pdf (2.2 MB)
Item type itemtype_ver1(1)
公開日 2021-11-11
タイトル
タイトル Synthesis of Single‐Handed Helical Spiro‐Conjugated Ladder Polymers through Quantitative and Chemoselective Cyclizations
言語 en
著者 Zheng, Wei

× Zheng, Wei

en Zheng, Wei

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Ikai, Tomoyuki

× Ikai, Tomoyuki

en Ikai, Tomoyuki

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Yashima, Eiji

× Yashima, Eiji

en Yashima, Eiji

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 "This is the peer reviewed version of the following article: [W. Zheng, T. Ikai, E. Yashima, Angew. Chem. Int. Ed. 2021, 60, 11294.], which has been published in final form at [https://doi.org/10.1002/anie.202102885]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited."
内容記述
内容記述 We report the unprecedented synthesis of one-handed helical spiro-conjugated ladder polymers with well-defined primary and secondary structures, in which the spiro-linked dibenzo[a,h]anthracene fluorophores are arranged in a one-handed twisting direction, through quantitative and chemoselective acid-promoted intramolecular cyclizations of random-coil precursor polymers composed of chiral 1,1′-spirobiindane and achiral bis[2-(4-alkoxyphenyl)ethynyl]phenylene units. Intense circular dichroism (CD) and circularly polarized luminescence (CPL) were observed, whereas the precursor polymers exhibited negligible CD and CPL activities. The introduction of 2,6-dimethyl substituents on the 4-alkoxyphenylethynyl pendants is of key importance for this simple, quantitative, and chemoselective cyclization. This strategy is applicable to the defect-free precise synthesis of other varieties of fully π-conjugated molecules and coplanar ladder polymers that have not been achieved before.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Wiley
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1002/anie.202102885
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 1433-7851
書誌情報 en : Angewandte Chemie International Edition

巻 60, 号 20, p. 11294-11299, 発行日 2021-05-10
ファイル公開日
日付 2022-05-10
日付タイプ Available
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