Direct Reduction of NO to N2O by a Mononuclear Nonheme Thiolate Ligated Iron(II) Complex via Formation of a Metastable {FeNO}7 Complex

被引：4

作者：

Dey, Aniruddha ^{[1
]}

Albert, Therese ^{[3
]}

Kong, Richard Y. ^{[2
]}

MacMillan, Samantha N. ^{[2
]}

Moenne-Loccoz, Pierre ^{[3
]}

Lancaster, Kyle M. ^{[2
]}

Goldberg, David P. ^{[1
]}

机构：

[1] Johns Hopkins Univ, Dept Chem, Baltimore, MD 21218 USA

[2] Cornell Univ, Dept Chem & Chem Biol, Ithaca, NY 14853 USA

[3] Oregon Hlth & Sci Univ, Dept Chem Physiol & Biochem, Portland, OR 97239 USA

来源：

INORGANIC CHEMISTRY | 2022年 / 61卷 / 38期

基金：

美国国家卫生研究院;

关键词：

NITRIC-OXIDE REDUCTASE; FLAVODIIRON PROTEINS; MOSSBAUER-SPECTRA; ELECTRONIC-STRUCTURE; SULFUR; REACTIVITY; MECHANISM; ASYMMETRY; CHEMISTRY; FE;

D O I：

10.1021/acs.inorgchem.2c02383

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Addition of NO to a nonheme dithiolate-ligated iron(II) complex, FeII(Me3TACN)(S2SiMe2) (1), results in the generation of N2O. Low-temperature spectroscopic studies reveal a metastable six-coordinate {FeNO}7 intermediate (S = 3/2) that was trapped at -135 degrees C and was characterized by low-temperature UV-vis, resonance Raman, EPR, Mossbauer, XAS, and DFT studies. Thermal decay of the {FeNO}7 species leads to the evolution of N2O, providing a rare example of a mononuclear thiolate-ligated {FeNO}7 that mediates NO reduction to N2O without the requirement of any exogenous electron or proton sources.

引用

页码：14909 / 14917

页数：9

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