Oxidative addition of arsenic halides to platinum(0).

Oxidative addition of arsenic halides to platinum(0).
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卤化砷对铂的氧化加成(0)

DOI:
10.1039/c8dt04995e
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发表时间:
2019
影响因子:
4
通讯作者:
H. Braunschweig
H. Braunschweig
中科院分区:
化学2区
文献类型:
--
作者:
J. H. Müssig;T. E. Stennett;U. Schmidt;R. D. Dewhurst;L. Mailänder;H. Braunschweig

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AsCl 3与Pt(0)配合物[Pt(PCy 3)2]、[Pt(PCy 3)(IMes)]和[Pt(IMes)2](IMes = 1,3-双(2,4,6-三甲基苯基)咪唑-2-亚基)的反应导致在Pt中心处氧化加成As-Cl键以形成形式为trans-[PtCl(AsCl 2)L2]的配合物。这些化合物中的两个通过X射线衍射表征,使它们成为AsX 2配体(X =卤素)的第一个结构表征的例子。AsBr 3也经历氧化加成[Pt(PCy 3)2],形成反式-[PtBr(AsBr 2)(PCy 3)2]原位,如通过31 P NMR光谱所判断的。该反应是非选择性的,产生几种产物,其中Pt 3As 2簇可以通过单晶X-射线衍射鉴定。
Reaction of AsCl3 with Pt(0) complexes [Pt(PCy3)2], [Pt(PCy3)(IMes)] and [Pt(IMes)2] (IMes = 1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene) resulted in oxidative addition of As–Cl bonds at the Pt centres to form complexes of the form trans-[PtCl(AsCl2)L2]. Two of these compounds were characterised by X-ray diffraction, making them the first structurally characterised examples of AsX2 ligands (X = halogen). AsBr3 also underwent oxidative addition to [Pt(PCy3)2], forming trans-[PtBr(AsBr2)(PCy3)2] in situ, as judged by 31P NMR spectroscopy. This reaction was unselective, yielding several products, of which a Pt3As2 cluster could be identified by single-crystal X-ray diffraction.
铂、钯和铱的 PBiP 钳配合物,具有通过铋-卤化物键的氧化加成合成的金属-金属键
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