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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

Azabuckybowl-Based Molecular Tweezers as C60 and C70 Receptors

http://hdl.handle.net/2237/00028576
http://hdl.handle.net/2237/00028576
ba427030-2285-4cec-b9e8-af35cdab3d71
名前 / ファイル ライセンス アクション
8416_MT_rev.pdf 8416_MT_rev (3.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2018-09-13
タイトル
タイトル Azabuckybowl-Based Molecular Tweezers as C60 and C70 Receptors
言語 en
著者 Takeda, Motoki

× Takeda, Motoki

WEKO 85307

en Takeda, Motoki

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Hiroto, Satoru

× Hiroto, Satoru

WEKO 85308

en Hiroto, Satoru

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Yokoi, Hiroki

× Yokoi, Hiroki

WEKO 85309

en Yokoi, Hiroki

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Lee, Sangsu

× Lee, Sangsu

WEKO 85310

en Lee, Sangsu

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Kim, Dongho

× Kim, Dongho

WEKO 85311

en Kim, Dongho

Search repository
Shinokubo, Hiroshi

× Shinokubo, Hiroshi

WEKO 85312

en Shinokubo, Hiroshi

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 document is the Accepted Manuscript version of a Published Work that appeared in final form in [Journal of the American Chemical Society], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [http://pubs.acs.org/articlesonrequest/AOR-Af3K7B4ddX4FGds57Hw5].”
抄録
内容記述 We designed and synthesized molecular tweezers consisting of nitrogen-embedded buckybowl subunits. The judicious choice of the covalent linkers modulated their binding strength with C60 or C70 in solution. Titration studies by optical and 1H NMR analyses revealed a 1:1 composition of the resulting complexes. X-ray diffraction analysis elucidated their solid-state structures, in which two azabuckybowl units surround one fullerene molecule. The large association constants stabilize the complexes toward redox reactions and the purification process on silica-gel column chromatography. The linker enabled tuning of the cavity size for binding of fullerenes, achieving complementary fullerene hosts for C60 and C70: the carbazole-bridged dimer preferentially associates with C70 over C60, while the phenanthrene-bridged dimer interacts with C60 more strongly than C70. Electrochemical analysis in combination with density functional theory calculations indicated the existence of intermolecular charge-transfer interactions between the buckybowl units and the fullerenes. Nonlinear optical measurements showed that the two-photon absorption cross sections of the molecular tweezers are enhanced upon association with fullerenes.
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:2019-05-23
言語 ja
内容記述タイプ Other
出版者
言語 en
出版者 ACS Publications
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/10.1021/jacs.8b02327
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0002-7863
ISSN(Online)
収録物識別子タイプ EISSN
収録物識別子 1520-5126
書誌情報 en : Journal of the American Chemical Society

巻 140, 号 20, p. 6336-6342, 発行日 2018-05-23
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