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Reactivities of Hydroxycinnamic Acid Derivatives Involving Caffeic Acid toward Electrogenerated Superoxide in N,N-Dimethylformamide
https://gifu-pu.repo.nii.ac.jp/records/14854
https://gifu-pu.repo.nii.ac.jp/records/14854ed96a56a-0237-44e9-a00a-d8e300097509
名前 / ファイル | ライセンス | アクション |
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Item type | 一般雑誌記事 / Article(1) | |||||
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公開日 | 2023-03-20 | |||||
タイトル | ||||||
タイトル | Reactivities of Hydroxycinnamic Acid Derivatives Involving Caffeic Acid toward Electrogenerated Superoxide in N,N-Dimethylformamide | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Reactivities of Hydroxycinnamic Acid Derivatives Involving Caffeic Acid toward Electrogenerated Superoxide in N,N-Dimethylformamide | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | hydroxycinnamic acid | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | caffeic acid | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | superoxide radical anion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cyclic voltammetry | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | electron spin resonance spectrum | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | proton-coupled electron transfer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | hydroxycinnamic acid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | caffeic acid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | superoxide radical anion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | cyclic voltammetry | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | electron spin resonance spectrum | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | proton-coupled electron transfer | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | article | |||||
著者 |
nakayama, tatsushi
× nakayama, tatsushi× Uno, Bunji |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Reactivity of (2E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid (caffeic acid), classified as a hydroxycinnamic acid (HCA) derivative, toward electrogenerated superoxide radical anion (O2•−) was investigated through cyclic voltammetry, in situ electrolytic electron spin resonance spectrometry, and in situ electrolytic ultraviolet–visible spectrometry in N,N-dimethylformamide (DMF), aided by density functional theory (DFT) calculations. The quasi-reversible redox of dioxygen/O2•− is modified in the presence of caffeic acid, suggesting that O2•− is scavenged by caffeic acid through proton-coupled electron transfer. The reactivities of caffeic acid toward O2•− are mediated by the ortho-diphenol (catechol) moiety rather than by the acryloyl group, as experimentally confirmed in comparative analyses with other HCAs. The electrochemical and DFT results in DMF suggested that a concerted two-proton-coupled electron transfer mechanism proceeds via the catechol moiety. This mechanism embodies the superior kinetics of O2•− scavenging by caffeic acid. | |||||
書誌情報 |
Electrochem en : Electrochem 巻 3, 号 3, p. 347-360, 発行日 2022-07-05 |
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出版者 | ||||||
出版者 | MDPI | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2673-3293 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3390/electrochem3030024 |