A High-Valent Iron(IV) Peroxo Core Derived from O2

被引:37
|
作者
Kishima, Takahiro [1 ]
Matsumoto, Takahiro [1 ,2 ]
Nakai, Hidetaka [1 ,2 ]
Hayami, Shinya [3 ]
Ohta, Takehiro [4 ]
Ogo, Seiji [1 ,2 ]
机构
[1] Kyushu Univ, Ctr Small Mol Energy, Grad Sch Engn, Dept Chem & Biochem,Nishi Ku, Fukuoka 8190395, Japan
[2] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Nishi Ku, Fukuoka 8190395, Japan
[3] Kumamoto Univ, Grad Sch Sci & Technol, Chuo Ku, Kumamoto 8608555, Japan
[4] Kyushu Univ, Inst Mat Chem & Engn, Higashi Ku, Fukuoka 8128581, Japan
关键词
dioxygen ligands; hydrogenases; iron; peroxo complexes; REACTIVITY; DIOXYGENASE; ACTIVATION; COMPLEX; HYDROGENASES; ALKYLPEROXO; EXCHANGE; SUPEROXO; H-2;
D O I
10.1002/anie.201507022
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Dioxygen-tolerant [NiFe] hydrogenases catalyze not only the conversion of H-2 into 2H(+) and 2e(-) but also the reduction of O-2 to H2O. Chemists have sought to mimic such bifunctional catalysts with structurally simpler compounds to facilitate analysis and improvement. Herein, we report a new [NiFe]-based catalyst for O-2 reduction via an O-2 adduct. Structural investigations reveal the first example of a side-on iron(IV) peroxo complex.
引用
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页码:724 / 727
页数:4
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