[Ni(NHC)2]配合物与CS2的反应性研究

IF 3.3 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Dalton Transactions Pub Date : 2025-01-22 DOI:10.1039/D4DT03497J

Martin Simon Luff, Celine Sophie Corsei and Udo Radius

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引用次数: 0

摘要

报道了[Ni(NHC)2]合成物与杂苯二烯CS2的反应。由CS2与[Ni(NHC)2] （NHC = IiPrMe, IiPr）前驱体反应得到[Ni(NHC)2] (NHC = IiPrMe （1a), IiPr (1b)）的镍配合物。该反应的结果在很大程度上取决于所采用的NHC，因为[Ni(IMes)2]，由空间要求更高的n -芳基取代的NHC IMes的配合物，导致形成双核配合物[{Ni(IMes)（2- cs2）}2] （2d）。从[Ni(IDipp)（2-CS2）}2]与CS2的反应中分离得到相关化合物[{Ni(IDipp)（2-CS2）}2] （2c）。如果使用[Ni(cAACMe)2]，则会将CS2插入cAAC碳镍键中，形成双-（2-二硫代羧酸偶氮）配合物[Ni(cAACMe-CS2)2] （3e）。

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On the reactivity of complexes [Ni(NHC)2] with CS2†

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On the reactivity of complexes [Ni(NHC)2] with CS2†

A study of the reaction of [Ni(NHC)₂] synthons with the heterocumulene CS₂ is reported. Nickel complexes of η²-(C–S) side-on coordinated CS₂, [Ni(NHC)₂(η²-CS₂)] (NHC = IiPr^Me (1a), IiPr (1b)) were obtained from the reaction of CS₂ with precursors of [Ni(NHC)₂] (NHC = IiPr^Me, IiPr). The result of this reaction critically depends on the NHC employed, as [Ni(IMes)₂], the complex of the sterically more demanding N-aryl substituted NHC IMes, led to formation of the dinuclear complex [{Ni(IMes)(μ²-CS₂)}₂] (2d). The related compound [{Ni(IDipp)(μ²-CS₂)}₂] (2c) was isolated from the reaction of [Ni(IDipp)(η⁶-C₇H₈)] with CS₂. If [Ni(cAAC^Me)₂] was used, insertion of CS₂ into the cAAC carbon nickel bonds occurs and the bis-(azolium-2-dithiocarboxylate) complex [Ni(cAAC^Me-CS₂)₂] (3e) was formed.

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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.