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An alkyl-substituted aluminium anion with strong basicity and nucleophilicity
http://hdl.handle.net/2237/00032328
http://hdl.handle.net/2237/00032328a5f6498c-9057-41f9-bab2-69a61f3558db
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20190918_Text (173.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-06-10 | |||||
タイトル | ||||||
タイトル | An alkyl-substituted aluminium anion with strong basicity and nucleophilicity | |||||
言語 | en | |||||
著者 |
Kurumada, Satoshi
× Kurumada, Satoshi× Takamori, Shuhei× Yamashita, Makoto |
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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 | |||||
抄録 | ||||||
内容記述 | Aluminium anions with an unoccupied orbital are generally considered as highly difficult synthetic targets, as aluminium is the most electropositive element in the p block. Stabilizing effects from two nitrogen substituents and/or the coordination of a Lewis base were recently used to synthesize the first examples of anionic nucleophilic aluminium species. Here we show the synthesis and properties of a potassium salt of a non-stabilized dialkylaluminium anion that exhibits very strong basicity, which reflects the electropositive character of aluminium. An X-ray diffraction analysis revealed a monomeric structure and the shortest Al–K distance hitherto reported. The ultraviolet visible spectrum in combination with density functional theory calculations suggests an electronic structure characterized by a lone pair of electrons and an unoccupied p orbital on the aluminium centre. This species readily deprotonates benzene to form the corresponding (hydrido)(phenyl)aluminate. Reactions with other electrophiles corroborate the nucleophilicity of the aluminium centre. | |||||
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:2020/07/01 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | nature | |||||
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/10.1038/s41557-019-0365-z | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1755-4330 | |||||
書誌情報 |
en : Nature Chemistry 巻 12, 号 1, p. 36-39, 発行日 2020-01 |
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著者版フラグ | ||||||
値 | author |