Indication of a hydrogen-atom abstraction reaction relevant to a mechanistic proposal for the oxygen-evolving complex of photosystem II

被引：7

作者：

Jensen, KB ^{[1
]}

McKenzie, CJ ^{[1
]}

Pedersen, JZ ^{[1
]}

机构：

[1] Univ So Denmark, Inst Chem, DK-5230 Odense M, Denmark

来源：

INORGANIC CHEMISTRY | 2001年 / 40卷 / 20期

关键词：

D O I：

10.1021/ic0155380

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The hydroxide-bridged Cr(III)-Mn(II) complex [(Me(3)tacn)Cr(mu -OH)(mu -CH3CO2)(2)Mn(MeDPA)](2+) (Me(3)tacn = tri-N,N ' ,N " -methyltriazacyclononane, MeDPA = N-methyl-N-bis(2-pyridylmethylamine) is oxidized by the 2,4,6-triphenylphenoxide radical to give the oxo-bridged Cr(III)-Mn(III) complex [(Me(3)tacn)Cr(mu -O)(mu -CH3CO2)(2)Mn(MeDPA)](2+). This reaction is a potential model for H-atom abstraction steps in mechanistic proposals for water oxidation in photosynthesis. [GRAPHICS]

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页码：5066 / +

页数：3

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