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Azabuckybowl-Based Molecular Tweezers as C60 and C70 Receptors
http://hdl.handle.net/2237/00028576
http://hdl.handle.net/2237/00028576ba427030-2285-4cec-b9e8-af35cdab3d71
名前 / ファイル | ライセンス | アクション |
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8416_MT_rev (3.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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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× Hiroto, Satoru× Yokoi, Hiroki× Lee, Sangsu× Kim, Dongho× Shinokubo, Hiroshi |
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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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著者版フラグ | ||||||
値 | author |