Early-Late Heterobimetallic Complexes with a Ta-Ir Multiple Bond: Bimetallic Oxidative Additions of C-H, N-H, and O-H Bonds

被引:22
|
作者
Oishi, Masataka [1 ]
Kino, Masashi [1 ]
Saso, Masayuki [1 ]
Oshima, Masato [2 ]
Suzuki, Hiroharu [1 ]
机构
[1] Tokyo Inst Technol, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528552, Japan
[2] Tokyo Polytech Univ, Sch Engn, Atsugi, Kanagawa 2430297, Japan
基金
日本学术振兴会;
关键词
METAL BOND; REACTIVITY; TANTALUM; ACTIVATION; LIGAND; ALCOHOLS; HYDRIDO; WATER; ZR;
D O I
10.1021/om300429u
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A heterobinuclear transition metal complex with a Ta-Ir multiple bond, Cp*(Me3SiCH2)(2)Ta-IrCp*(H)(2) (1), was synthesized using a salt elimination reaction. The isolable complex was characterized by NMR, IR, UV-vis spectroscopy, and X-ray crystallography. Compound I features an exceptionally short intermetallic distance (Ta-Ir 2.4457(3) angstrom). DFT calculation for 1 revealed the presence of a highly covalent bonding nature in spite of the involvement of such disparate d elements. Oxidative additions of C-H, N-H, and O-H bonds to 1 were also investigated.
引用
收藏
页码:4658 / 4661
页数:4
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