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
收藏
页码：5526 / 5530
页数：5
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