H_2O_2 activation with biomimetic non-haem iron complexes and AcOH: connecting the g = 2.7 EPR signal with a visible chromophore

Olga V. Makhlynets; Williamson N. Oloo; Yurii S. Moroz; Irina G. Belaya; Taryn D. Palluccio; Alexander S. Filatov; Peter Mueller; Matthew A. Cranswick; Lawrence Que; Elena V. Rybak-Akimova

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H_2O_2 activation with biomimetic non-haem iron complexes and AcOH: connecting the g = 2.7 EPR signal with a visible chromophore

机译：用仿生非血红素铁配合物和AcOH活化H_2O_2：将g = 2.7 EPR信号与可见生色团连接

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Mechanistic studies of H_2O_2 activation by complexes related to [(BPMEN)Fe~Ⅱ(CH_3CN)_2]~(2+) with electron-rich pyridines revealed that a new intermediate formed in the presence of acetic acid with a 465 nm visible band can be associated with an unusual g = 2.7 EPR signal We postulate that this chromophore is an acylperoxoiron(Ⅲ) intermediate.

机译：与[（BPMEN）Fe〜Ⅱ（CH_3CN）_2]〜（2+）相关的配合物与富电子吡啶活化H_2O_2的机理研究表明，在乙酸存在下形成具有465 nm可见带的新中间体可以可能与异常的g = 2.7 EPR信号有关我们推测该发色团是酰基过氧铁（Ⅲ）的中间体。

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《Chemical Communications》 |2014年第6期|645-648|共4页
作者
Olga V. Makhlynets; Williamson N. Oloo; Yurii S. Moroz; Irina G. Belaya; Taryn D. Palluccio; Alexander S. Filatov; Peter Mueller; Matthew A. Cranswick; Lawrence Que; Elena V. Rybak-Akimova;
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Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA;

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, USA;

Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA;

Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA;

Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA;

Department of Chemistry, University at Albany, 1400 Washington Avenue, Albany, New York 12222, USA;

Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, USA;

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, USA;

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, USA;

Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA;

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1. Equilibrating (L)Fe~(III)-OOAc and (L)Fe~V(O) Species in Hydrocarbon Oxidations by Bio-Inspired Nonheme Iron Catalysts Using H_2O_2 and AcOH [J] . Williamson N. Oloo, Rahul Banerjee, John D. Lipscomb, Journal of the American Chemical Society . 2017,第48期

机译：使用H_2O_2和AcOH生物启发的非血红素铁催化剂平衡烃氧化中的（L）Fe〜（III）-OOAc和（L）Fe〜V（O）物种
2. Photoreducible high spin iron electron paramagnetic resonance signals in dark-adapted Photosystem II: are they oxidised non-haem iron formed from interaction of oxygen with PSII electron acceptors? [J] . Jonathan H. A. Nugent Biochimica et biophysica acta. Bioenergetics . 2001,第2a3期

机译：在暗适应的光系统II中可光还原的高自旋铁电子顺磁共振信号：它们是否氧化了氧与PSII电子受体相互作用形成的非血红素铁？
3. Photoreducible high spin iron electron paramagnetic resonance signals in dark-adapted Photosystem II: are they oxidised non-haem iron formed from interaction of oxygen with PSII electron acceptors? [J] . Nugent JH Biochimica et biophysica acta: international journal of biochemistry and biophysics . 2001,第2a3期

机译：在暗适应的光系统II中可光还原的高自旋铁电子顺磁共振信号：它们是否氧化了氧与PSII电子受体相互作用形成的非血红素铁？
4. Removal of 2,4,6-trichlorophenol by iron and manganese oxides/granular activated carbon with H_2O_2 [C] . Zhenzhong Liu, Huiping Deng, Zhanli Chen International Conference on Advances in Materials and Manufacturing Processes . 2011

机译：用H_2O_2通过铁和锰氧化物/颗粒活性炭除去2,4,6-三氯苯酚
5. Biomimetic amino -pyridine iron complexes for catalysis and small molecule activation [D] . Taktak, Sonia 2005

机译：仿生氨基吡啶铁配合物用于催化和小分子活化
6. Photodissociation of water by p- and n-type polycrystalline iron oxides by using visible light (≤2.7 eV) in the absence of external potential [O] . C. Leygraf, M. Hendewerk, G. A. Somorjai 1982

机译：在不存在外部电位的情况下使用可见光（≤2.7eV）通过p型和n型多晶氧化铁对水进行光解离
7. Photoreducible high spin iron electron paramagnetic resonance signals in dark-adapted Photosystem II: are they oxidised non-haem iron formed from interaction of oxygen with PSII electron acceptors? [O] . Nugent Jonathan H.A. 2001

机译：在暗适应的光系统II中可光还原的高自旋铁电子顺磁共振信号：它们是否氧化了氧与PSII电子受体相互作用形成的非血红素铁？
8. Photodissociation of Water by p- and n-Type Polycrystalline Iron Oxides Using Visible Light (< 2.7 EV) in the Absence of External Potential [R] . Leygraf, C., Hendewerk, M., Somorjai, G. A. 1982

机译：在没有外部电位的情况下使用可见光（<2.7 EV）对p型和n型多晶氧化铁进行水的光解离

H_2O_2 activation with biomimetic non-haem iron complexes and AcOH: connecting the g = 2.7 EPR signal with a visible chromophore

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