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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

Complementary double‐stranded helical oligomers bearing achiral bifunctional groups that catalyze asymmetric aldol reaction

http://hdl.handle.net/2237/00032348
http://hdl.handle.net/2237/00032348
9afb5cc1-8a35-41cf-bb75-e818fb329c68
名前 / ファイル ライセンス アクション
Yashima-final_ver.pdf Yashima-final_ver (10.2 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-06-11
タイトル
タイトル Complementary double‐stranded helical oligomers bearing achiral bifunctional groups that catalyze asymmetric aldol reaction
言語 en
著者 Taura, Daisuke

× Taura, Daisuke

WEKO 99595

en Taura, Daisuke

Search repository
Shimomura, Kouhei

× Shimomura, Kouhei

WEKO 99596

en Shimomura, Kouhei

Search repository
Ousaka, Naoki

× Ousaka, Naoki

WEKO 99597

en Ousaka, Naoki

Search repository
Yashima, Eiji

× Yashima, Eiji

WEKO 99598

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: [Taura, D, Shimomura, K, Ousaka, N, Yashima, E. Complementary double‐stranded helical oligomers bearing achiral bifunctional groups that catalyze asymmetric aldol reaction. Chirality. 2020; 32: 254–264. https://doi.org/10.1002/chir.23169], which has been published in final form at [https://doi.org/10.1002/chir.23169]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
キーワード
主題Scheme Other
主題 aldol reaction
キーワード
主題Scheme Other
主題 complementary double helix
キーワード
主題Scheme Other
主題 enantioselectivity
キーワード
主題Scheme Other
主題 salt bridge
キーワード
主題Scheme Other
主題 supramolecular catalysis
抄録
内容記述 Two novel chiral dimer and trimer strands composed of m ‐terphenyl groups linked through p ‐diethynylbenzene units with the chiral amidine group and achiral piperazine group introduced at the terminus or center of the strands, respectively, and its complementary achiral carboxylic acid dimer and trimer were synthesized. The complementary chiral/achiral strands form an excess‐handed double‐helical structure as supported by intense split‐type Cotton effects in the absorption regions of the conjugated backbones biased by the chiral amidinium–carboxylate salt bridges. The double‐helical trimer was found to catalyze the direct aldol reaction of cyclohexanone with 4‐nitrobenzaldehyde and produce the products with a moderate enantioselectivity despite the fact that the catalytically active bifunctional piperazine/carboxylic acid pair introduced in the middle is achiral, indicating the key role of the one‐handed double‐helical framework for supramolecular bifunctional organocatalysis.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2021-03-01
言語 ja
内容記述タイプ Other
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
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1002/chir.23169
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0899-0042
書誌情報 en : Chirality

巻 32, 号 3, p. 254-264, 発行日 2020-03
著者版フラグ
値 author
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