N-Heterocyclic Silylenes in Boron Chemistry: Facile Formation of Silylboranes and Silaborinines

被引：26

作者：

Gackstatter, Annika ^{[1
]}

Braunschweig, Holger ^{[1
]}

Kupfer, Thomas ^{[1
]}

Voigt, Christian ^{[1
]}

Arnold, Nicole ^{[1
]}

机构：

[1] Julius Maximilians Univ Wurzburg, Inst Anorgan Chem, D-97074 Wurzburg, Germany

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2016年 / 22卷 / 46期

关键词：

boranes; density functional theory; insertion; ring expansion; silylenes; RING EXPANSION; TRIPLE BOND; CARBENE; REACTIVITY; COMPLEXES; DIBORENES; BORANE; COORDINATION; LIGANDS;

D O I：

10.1002/chem.201603945

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Reaction of a N-heterocyclic silylene (NHSi) with PhBX2 (X=Cl, Br) readily afforded six-membered silaborinines through an insertion/ring expansion sequence. Increasing the sterics of the borane from phenyl to duryl enabled the selective generation and isolation of the highly colored silylborane intermediates. Theoretical studies on the mechanism and energetics of the silaborinine formation were fully consistent with the experimental observations.

引用

页码：16415 / 16419

页数：5

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