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在水相介质中二电子还原醌类产生的半醌中间体及其对氧还原反应的极高活性。

Semiquinone intermediates in the two-electron reduction of quinones in aqueous media and their exceptionally high reactivity towards oxygen reduction.

机构信息

Department of Chemistry, Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, United Kingdom.

出版信息

Chemphyschem. 2011 May 9;12(7):1255-7. doi: 10.1002/cphc.201100174. Epub 2011 Apr 19.

DOI:10.1002/cphc.201100174
PMID:21506239
Abstract

We report the catalytic anthraquinone-mediated reduction of oxygen at a boron-doped diamond electrode. Scheme of squares modelling confirms the existence of and reveals the role of the semiquinone intermediates, which are shown to have an exceptional reactivity towards oxygen (as compared to the di-reduced anthraquinone).

摘要

我们报告了在掺硼金刚石电极上，蒽醌催化氧还原的过程。方块图模型证实了半醌中间体的存在并揭示了其作用，该中间体对氧具有异常的反应活性（与二还原蒽醌相比）。

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