Metal-free Catalytic Olefin Hydrogenation: Low-Temperature H2 Activation by Frustrated Lewis Pairs

被引：208

作者：

Greb, Lutz ^{[2
,4
]}

Ona-Burgos, Pascual ^{[2
]}

Schirmer, Birgitta ^{[3
]}

Grimme, Stefan ^{[1
]}

Stephan, Douglas W. ^{[4
]}

Paradies, Jan ^{[2
]}

机构：

[1] Univ Bonn, Mulliken Ctr Theoret Chem, Inst Phys & Theoret Chem, D-53115 Bonn, Germany

[2] Karlsruhe Inst Technol, Inst Organ Chem, D-76131 Karlsruhe, Germany

[3] Univ Munster, Inst Organ Chem, D-4400 Munster, Germany

[4] Univ Toronto, Dept Chem, Toronto, ON M5S 1A1, Canada

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 40期

基金：

加拿大自然科学与工程研究理事会;

关键词：

alkenes; frustrated Lewis pairs; hydrogenation; olefin; phosphanes; HETEROLYTIC DIHYDROGEN ACTIVATION; H-2; ACTIVATION; NUCLEOPHILICITY; REDUCTION; IMINES; SCALES; SILYL; HYDROSILYLATION; REACTIVITY; CHEMISTRY;

D O I：

10.1002/anie.201204007

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Weak nucleophiles for strong activation: The reversible activation of dihydrogen by an electron-deficient phosphine, (C 6F 5)PPh 2, in combination with the Lewis acid B(C 6F 5) 3 at -80 °C was accomplished. The catalytic hydrogenation of olefins proceeds through protonation and subsequent hydride attack. Electron-deficient phosphines and diarlyamines were demonstrated to be viable Lewis bases for the reaction, thus allowing catalyst loadings of 10 to 5 mol %. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：10164 / 10168

页数：5

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