Quinone-Hydroquinone π-Conjugated Redox Reaction Involving Proton-coupled Electron Transfer Plays an Important Role in Scavenging Superoxide by Polyphenolic Antioxidants

Tatsushi Nakayama; Bunji Uno

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Quinone-Hydroquinone π-Conjugated Redox Reaction Involving Proton-coupled Electron Transfer Plays an Important Role in Scavenging Superoxide by Polyphenolic Antioxidants

机译：涉及质子偶联电子转移的醌-氢醌π共轭氧化还原反应在多酚类抗氧化剂清除超氧化物中起重要作用

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The proton-coupled electron transfer (PCET) from p-, o-, and m-dihydroxybenzenes (PQH2, OQH2, and MQH2, respectively) to the hydroperoxy radical (HO_2~·) derived from superoxide (O_2~(·-)) is investigated. It is demonstrated that quinone-hydroquinone π-conjugated redox systems characterized by electron transfer in PQH2 and OQH2 moieties play an important role in scavenging O_2~(·-) by polyphenolic antioxidants.

机译：对-，邻-和间二羟基苯（分别为PQH2，OQH2和MQH2）的质子耦合电子转移（PCET）到衍生自超氧化物（O_2〜（·-）的氢过氧自由基（HO_2〜·）被调查。结果表明，以PQH2和OQH2部分的电子转移为特征的醌-氢醌π共轭氧化还原体系在多酚类抗氧化剂清除O_2〜（·-）中起重要作用。

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《Chemistry Letters》 |2010年第3期|共3页
作者
Tatsushi Nakayama; Bunji Uno;
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1. Quinone-Hydroquinone π-Conjugated Redox Reaction Involving Proton-coupled Electron Transfer Plays an Important Role in Scavenging Superoxide by Polyphenolic Antioxidants [J] . Tatsushi Nakayama, Bunji Uno Chemistry Letters . 2010,第3期

机译：涉及质子偶联电子转移的醌-氢醌π共轭氧化还原反应在多酚类抗氧化剂清除超氧化物中起重要作用
2. Importance of Proton-Coupled Electron Transfer from Natural Phenolic Compounds in Superoxide Scavenging [J] . Nakayama Tatsushi, Uno Bunji Chemical and Pharmaceutical Bulletin . 2015,第12期

机译：天然酚类化合物中质子耦合电子转移在清除超氧化物中的重要性
3. Importance of Proton-Coupled Electron Transfer from Natural Phenolic Compounds in Superoxide Scavenging [J] . Chemical and Pharmaceutical Bulletin . 2015,第12期

机译：天然酚类化合物中质子耦合电子转移在清除超氧化物中的重要性
4. Nanoantioxidant Materials for Theranostics: Near-Infrared Plasmon Enhanced Proton-Coupled Electron Transfer [C] . Yiannis Deligiannakis, Georgios A. Sotiriou, Sotiris E. Pratsinis Materials Research Society Meeting . 2014

机译：纳米氧化材料的灭菌材料：近红外等离子体增强质子耦合电子转移
5. Reaction Enthalpy and Volume Profiles for Excited State Reactions Involving Electron Transfer and Proton-Coupled Electron Transfer. [D] . Maza, William A. 2013

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7. Lone pair\u2212\u3c0 and \u3c0\u2212\u3c0 interactions play an important role in proton-coupled electron transfer reactions [O] . DiLabio, Gino A., Johnson, Erin R. 2007

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8. Role of Solvent Reorganization Dynamics in Electron-Transfer Processes. Theory-Experiment Comparisons for Electrochemical and Homogeneous Electron Exchange Involving Metallocene Redox Couples [R] . Gennett, T., Milner, D. F., Weaver, M. J. 1985

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Quinone-Hydroquinone π-Conjugated Redox Reaction Involving Proton-coupled Electron Transfer Plays an Important Role in Scavenging Superoxide by Polyphenolic Antioxidants

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