Synthesis and characterization of scandium silyl complexes of the type CP*2ScSiHRR′.: σ-Bond metathesis reactions and catalytic dehydrogenative silation of hydrocarbons

被引：123
|
作者：
Sadow, AD
Tilley, TD [1 ]
机构：
[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
[2] Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2005年 / 127卷 / 02期
关键词：
D O I：
10.1021/ja040141r
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The scandium dihydrosilyl complexes Cp*2ScSiH2R (R = Mes (4), Trip (5), SiPh3 (6), Si(SiMe3)(3) (7); Mes = 2,4,6-Me3C6H2, Trip = 2,4,6-(Pr3C6H2)-Pr-i) and Cp*2ScSiH(SiMe3)(2) (8) were synthesized by addition of the appropriate hydrosilane to Cp*2ScMe (1). Studies of these complexes in the context of hydrocarbon activation led to discovery of catalytic processes for the dehydrogenative silation of hydrocarbons (including methane, isobutene and cyclopropane) with Ph2SiH2 via sigma-bond metathesis.
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收藏
页码：643 / 656
页数：14
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