Semi-bridging σ-silyls as Z-type ligands

被引：8
|
作者：
Frogley, Benjamin J. [1 ]
Hill, Anthony F. [1 ]
Sharma, Manab [1 ]
Sinha, Arup [1 ]
Ward, Jas S. [1 ]
机构：
[1] Australian Natl Univ, Res Sch Chem, Canberra, ACT 2601, Australia
来源：
CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 24期
基金：
澳大利亚研究理事会;
关键词：
TRANSITION-METAL-COMPLEXES; CRYSTAL-STRUCTURE; MOLECULAR-STRUCTURES; HYPERVALENT SILICON; RHODIUM COMPLEXES; COBALT HYDRIDE; BLOCK METALS; COORDINATION; BOND; REACTIVITY;
D O I：
10.1039/c9cc07763d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The reactions of SiHPh(NCH2PPh2)(2)C6H4-1,2 with a range of zerovalent group 10 reagents afford the homoleptic bimetallic complexes [M-2{mu-kappa(3)-Si,P,P '-SiPh(CH2PPh2)(2)C6H4}(2)] (M = Ni, Pd, Pt) in which the M-M bond is unsymmetrically bridged by two sigma-silyl groups. The asymmetry of the M2Si2 core increases from Ni through Pd to Pt and is consistent with a bonding description in which one metal acts as an electron pair donor to a trigonal bipyramidal 'Z-type' silicon centre, reminsicent of semi-bridging coordination by CO, carbynes and boryl ligands.
引用
收藏
页码：3532 / 3535
页数：4
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