Electron-Precise Coordination Modes of Boron-Centered Ligands

被引：464

作者：

Braunschweig, Holger ^{[1
]}

Dewhurst, Rian D. ^{[1
]}

Schneider, Achim ^{[1
]}

机构：

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

来源：

CHEMICAL REVIEWS | 2010年 / 110卷 / 07期

关键词：

TRANSITION-METAL-BORYL; C-H BONDS; DENSITY-FUNCTIONAL THEORY; CROSS-COUPLING REACTIONS; IR-CATALYZED BORYLATION; SIGMA-BORANE COMPLEXES; OXIDATIVE ADDITION; STRUCTURAL-CHARACTERIZATION; CRYSTAL-STRUCTURE; STEREOSELECTIVE-SYNTHESIS;

D O I：

10.1021/cr900333n

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Molecular compounds featuring electron-precise coordination modes of two-center metal-boron bonds are studied. A five-coordinate boratrane complex is found to be structurally authenticated, with the Co-B distance (2.132(4) Å) being significantly shorter than those in borane complexes of the second and third-row transition metal elements. Studies also found that addition of K[TmtBu] to [Pd(OAc)2] liberates 1 equiv each of acetic acid and potassium acetate, forming the unsual bimetallic bis(borane) complex. Chloride abstraction from gold boratrane with GaCl3 is found to provide a salt, in which the Au-B distance has lengthened considerably (2.448 Å) and the 11B NMR signal has shifted almost 30 ppm downfield.

引用

页码：3924 / 3957

页数：34

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