Reactions of d0 alkylidene and amide complexes with silanes

被引:10
|
作者
Diminnie, JB
Liu, XZ
Cai, H
Wu, ZZ
Blanton, JR
Chen, TN
Tuinman, AA
Quisenberry, KT
Vallet, CE
Zuhr, RA
Beach, DB [1 ]
Peng, ZH
Wu, YD
Concolino, TE
Rheingold, AL
Xue, ZL
机构
[1] Oak Ridge Natl Lab, Div Chem & Analyt Sci, Oak Ridge, TN 37831 USA
[2] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA
[3] Oak Ridge Natl Lab, Surface Modificat & Characterizat Res Ctr, Oak Ridge, TN 37831 USA
[4] Hong Kong Univ Sci & Technol, Dept Chem, Hong Kong, Hong Kong, Peoples R China
[5] Univ Delaware, Dept Chem & Biochem, Newark, DE 19716 USA
关键词
D O I
10.1351/pac200173020331
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Reactions of silanes with d(o) Ta alkylidene and Group 4 amide complexes were found to involve the initial attack on silicon atoms in the silanes by nucleophilic alkylidene carbon or amide nitrogen atoms. The reaction of (Me3SiCH2)(3)Ta(PMe3)[=CHSiMe3] (1) with H2SiR'Ph (R' = Me, Ph) gave (Me3SiCH2)(3)Ta[=C(SiMe3)SiHR'Ph] (2a-b). Similar reactions of these two silanes and (H2PhSi)(2)CH2 with (Me3SiCH2)Ta(PMe3)(2)[=CHR](2) (R = SiMe3, 3; CMe3, 4) yielded novel metallasilacyclobutadienes and a metalladisilacyclohexadiene, respectively. In comparison, the reactions between M(NMe2)(4) (M = Ti, Zr, Hf) and silanes were found to give aminosilanes and metal amide hydride species which were perhaps involved in the formation of titanium-silicon-nitride (Ti-Si-N) ternary materials.
引用
收藏
页码:331 / 335
页数:5
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