Dihydrogen activation by intermolecular rare-earth aryloxide/N-heterocyclic carbene Lewis pairs

被引：21
|
作者：
Chang, Kejian [1 ]
Dong, Yifan [1 ]
Xu, Xin [1 ]
机构：
[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Key Lab Organ Synth Jiangsu Prov, Suzhou 215123, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2019年 / 55卷 / 85期
基金：
中国国家自然科学基金;
关键词：
SMALL-MOLECULE ACTIVATION; CARBON-DIOXIDE; C-H; ELIMINATION-REACTIONS; REACTIVITY; HYDROGEN; POLYMERIZATION; COMPLEXES; BOND; CO2;
D O I：
10.1039/c9cc06676d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Dihydrogen was readily activated by combination of homoleptic rare-earth metal aryloxides, RE(OAr)(3) (RE = La, Sm, and Y) with N-heterocyclic carbenes (NHCs) under mild conditions. RE(OAr)(3) were found to be active catalysts for the reductive hydrogenation of NHCs to aminals under 1 bar of H-2. In addition, the La/NHC pair also exhibited frustrated Lewis pair (FLP)-like reactivity towards carbon dioxide and phenylacetylene, affording 1,2-addition and deprotonation products, respectively.
引用
收藏
页码：12777 / 12780
页数：4
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