Spectroscopic characterization of reaction intermediates in a model for copper nitrite reductase

被引：38
|
作者：
Kujime, M [1 ]
Fujii, H
机构：
[1] Natl Inst Nat Sci, Inst Mol Sci, Okazaki, Aichi 4448787, Japan
[2] Natl Inst Nat Sci, Okazaki Inst Integrat Biosci, Okazaki, Aichi 4448787, Japan
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2006年 / 45卷 / 07期
关键词：
bioinorganic chemistry; copper; enzyme models; reaction mechanisms; reactive intermediates;
D O I：
10.1002/anie.200503555
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Chemical Equation Presented) A nitrous acid complex was identified by spectroscopic and kinetic analyses under stopped-flow conditions as an intermediate in the reaction of copper(I) nitrite complex 1 with trifluoroacetic acid (see scheme). A reaction mechanism was proposed in which two protons are transferred in a stepwise manner to the nitrite anion. Intramolecular electron transfer from copper to the nitrite ligand occurs in the second protonation step. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：1089 / 1092
页数：4
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