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

页码：3532 / 3535

页数：4

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