非血红素铁-亚硝基与二氧的反应：通过nod样活性分解配体

IF 3.5 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Dalton Transactions Pub Date : 2025-04-08 DOI:10.1039/d5dt00009b

Biplab Mondal, Riya Ghosh, Rakesh Mazumdar, Bapan Samanta, Shankhadeep Saha

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引用次数: 0

摘要

我们合成了一种高自旋亚硝基铁（II）[(TPz)Fe(NO)](ClO4)2, 2（TPz = 三（3,5-二甲基吡唑-1-基甲基）胺），并从结构上对其进行了表征。复合物 2 在乙腈溶液中的二氧反应导致配体氧化。化学证据表明，过亚硝酸中间体参与了这一反应。捕获实验表明，在反应过程中形成了二氧化氮，这支持了亚硝酸过氧化物中间体参与反应的观点。这项研究揭示了金属亚硝基二氧反应导致 NOD 活性的另一种可能性。

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Reaction of a non-heme iron-nitrosyl with dioxygen: Decomposition of the ligand through NOD-like activity

A high-spin iron(II) nitrosyl, [(TPz)Fe(NO)](ClO4)2, 2 (TPz = Tris(3,5-dimethylpyrazol-1-ylmethyl)amine) was synthesized and characterized structurally. Dioxygen reactivity of complex 2 in acetonitrile solution results in the oxidation of the ligand. Chemical evidence suggests the involvement of a peroxynitrite intermediate in this reaction. Trapping experiment shows the formation of NO2 during the reaction which supports the proposition of the involvement of the peroxynitrite intermediate. This study gives an insight into an alternate possibility from the dioxygen reactivity of metal-nitrosyl leading to NOD activity.

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来源期刊

Dalton Transactions 化学-无机化学与核化学

CiteScore

6.60

自引率

7.50%

发文量

1832

审稿时长

1.5 months

期刊介绍： Dalton Transactions is a journal for all areas of inorganic chemistry, which encompasses the organometallic, bioinorganic and materials chemistry of the elements, with applications including synthesis, catalysis, energy conversion/storage, electrical devices and medicine. Dalton Transactions welcomes high-quality, original submissions in all of these areas and more, where the advancement of knowledge in inorganic chemistry is significant.