Insertion of alkynes into Ni-H bonds: Synthesis of novel vinyl nickel(II) and dinuclear vinyl nickel(II) complexes containing a [P,S]-ligand

被引:28
|
作者
She, Lei
Li, Xiaoyan
Sun, Hongjian
Ding, Jun
Frey, Markus
Klein, Hans-Friedrich
机构
[1] Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China
[2] Tech Univ Darmstadt, Fachbereich Chem, D-64287 Darmstadt, Germany
关键词
D O I
10.1021/om0606340
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Reactions of alkynes with nickel hydride complexes bearing a [P, S]-ligand and supported by trimethylphosphine were investigated. Tetracoordinate vinyl nickel(II) complexes 3, 5, and 6 with square-planar geometry were obtained by reacting phenylacetylene, trimethylsilylacetylene, and 1-hexyne with the hydrido nickel complex 1. Reaction of 1,4-bis(trimethylsilylethynyl)benzene with complex 1 proceeds as a monoinsertion and afforded complex 7, while reaction of 1,4-bis(ethynyl)benzene with 1 leads to the dinuclear vinyl nickel(II) complex 8.
引用
收藏
页码:566 / 570
页数:5
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