Formation of Thermally Robust Frustrated Lewis Pairs by Electrocyclic Ring Closure Reactions

被引：27

作者：

Chen, Guo-Qiang ^{[1
]}

Kehr, Gerald ^{[1
]}

Daniliuc, Constantin G. ^{[1
]}

Mueck-Lichtenfeld, Christian ^{[1
]}

Erker, Gerhard ^{[1
]}

机构：

[1] Univ Munster, Inst Organ Chem, Corrensstr 40, D-48149 Munster, Germany

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 18期

基金：

欧洲研究理事会;

关键词：

aromatization reaction; electrocyclic ring closure; frustrated Lewis pairs; ipso substitution; metal-free dihydrogen activation; FREE HYDROGEN ACTIVATION; CHEMISTRY; BORANE; 1,1-ORGANOBORATION; DIHYDROGEN; REDUCTION; CARBON;

D O I：

10.1002/anie.201510994

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The phosphorus/boron-substituted hexatriene systems 6 undergo thermally induced electrocyclic ring closure to yield the cyclohexadiene-derived P/B frustrated Lewis pairs (FLPs) 7. Subsequent TEMPO oxidation gives the phenylene-bridged FLPs 8. Both systems activate dihydrogen and the thermally robust FLPs undergo carbon-carbon coupling reactions at a mesityl group upon treatment with dimethyl acetylenedicarboxylate at elevated temperatures.

引用

页码：5526 / 5530

页数：5

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