Versatile Conversion of N-Heterocyclic Silylene to Silyl Metal Compounds by Insertion of Divalent Silicon into Metal-Carbon and Metal-Hydrogen Bonds

被引：29
|
作者：
Xiong, Yun [1 ]
Yao, Shenglai [1 ]
Driess, Matthias [1 ]
机构：
[1] Tech Univ Berlin, Inst Chem Metalorgan & Inorgan Mat, D-10623 Berlin, Germany
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2012年 / 18卷 / 11期
关键词：
dimethyl zinc; lithium; metal silanide; metalation; trimethylaluminum; YLIDE-LIKE SILYLENE; X-RAY CRYSTAL; STABLE SILYLENE; REACTIVITY; ACTIVATION; DERIVATIVES; COMPLEXES; CHEMISTRY; ADDUCTS; LIGAND;
D O I：
10.1002/chem.201103656
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The facile one-pot reaction of the stable N-heterocyclic silylene LSi: 1 (L?(ArN)C(?CH2) CH?C(Me)(NAr), Ar=2,6-iPr2C6H3) with Me2Zn, Me3Al, H3Al-NMe3, and MeLi has been investigated. The silicon(II) atom in 1 is capable of insertion into the corresponding M?C and Al?H bonds under very mild reaction conditions. Thus, Me2Zn furnishes the bis(silyl) zinc complex LSi(Me)ZnSi(Me)L 2 as the sole product, irrespective of the molar ratio of the starting materials applied. Moreover, the reactions of 1 with Me3Al, H3Al-NMe3, and MeLi lead directly to the 1,1-addition products LSi(Me)(Al(thf)Me2) 3, LSi(H)(AlH2(NMe3)) 4, and LSi(Me)Li(thf)3 5, respectively. All new compounds 25 were fully characterized by multinuclear NMR spectroscopy, mass spectrometry, elemental analyses, and single-crystal X-ray diffraction analyses.
引用
收藏
页码：3316 / 3320
页数：5
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