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通过外围氮原子的质子化/去质子化控制N-杂卟啉中Cu(II)和Cu(III)状态。

Control of Cu(II) and Cu(III) states in N-confused porphyrin by protonation/deprotonation at the peripheral nitrogen.

作者信息

Maeda Hiromitsu, Ishikawa Yuichi, Matsuda Tomoyuki, Osuka Atsuhiro, Furuta Hiroyuki

机构信息

Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan.

出版信息

J Am Chem Soc. 2003 Oct 1;125(39):11822-3. doi: 10.1021/ja0356075.

DOI:10.1021/ja0356075
PMID:14505396
Abstract

The square-planar structure of a diamagnetic Cu(III) complex of tetrakis(pentafluorophenyl)-substituted N-confused porphyrin was elucidated by X-ray diffraction analysis. The facile interconversion between Cu(II) (1) and Cu(III) (2) complexes was achieved by chemical oxidation/reduction, and the Cu(III)/Cu(II) redox potential was controlled by adding anions through the hydrogen-bonding interaction to the peripheral NH.

摘要

通过X射线衍射分析阐明了四(五氟苯基)取代的N-杂卟啉的抗磁性Cu(III)配合物的平面正方形结构。通过化学氧化/还原实现了Cu(II)(1)和Cu(III)(2)配合物之间的 facile 相互转化,并且通过向周边NH通过氢键相互作用添加阴离子来控制Cu(III)/Cu(II)氧化还原电位。

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