Nitrite reduction mediated by the complex RuIII(EDTA)

被引：13

作者：

Chatterjee, Debabrata ^{[1
]}

Shome, Sanchari ^{[1
]}

Jaiswal, Namita ^{[1
]}

Banerjee, Priyabrata ^{[1
]}

机构：

[1] CSIR, Cent Mech Engn Res Inst, Chem & Biomimet Grp, Durgapur 713209, India

来源：

DALTON TRANSACTIONS | 2014年 / 43卷 / 36期

关键词：

OXYGEN-ATOM TRANSFER; ETHYLENEDIAMINETETRAACETATE COMPLEXES; CHEMICAL BIOLOGY; SULFENIC ACID; NO PRODUCTION; OXIDE; MECHANISM; OXIDATION; KINETICS; CYSTEINE;

D O I：

10.1039/c4dt01447b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reported is the first example of a ruthenium(III)-complex, Ru-III(EDTA) (EDTA(4-) = ethylenediaminetetra-acetate), that mediates O-atom transfer from nitrite to the biological thiols cysteine and glutathione, leading to the formation of [Ru-III(EDTA)(NO+)](0). However, at pH below 5.0, the coordinated nitrite ion in the [Ru-III(EDTA)(NO2)](2-) complex undergoes proton-assisted decomposition, resulting in the formation of a [Ru-III(EDTA)(NO+)](0) species.

引用

页码：13596 / 13600

页数：5

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