Intramolecular Frustrated Lewis Pairs: Formation and Chemical Features

被引:70
|
作者
Kehr, Gerald [1 ]
Schwendemann, Sina [1 ]
Erker, Gerhard [1 ]
机构
[1] Univ Munster, Inst Organ Chem, D-48149 Munster, Germany
关键词
FLP addition reactions; Small molecule activation; Synergistic reactions; Vicinal and geminal frustrated Lewis pairs; FREE CATALYTIC-HYDROGENATION; HETEROLYTIC DIHYDROGEN ACTIVATION; H-2; ACTIVATION; ALTERNATIVE LIGANDS; PHOSPHINE-BORANES; BOND ACTIVATION; B-N; REACTIVITY; BORON; 1,1-CARBOBORATION;
D O I
10.1007/128_2012_373
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Intramolecular vicinal and geminal frustrated Lewis pairs (FLPs) featuring bulky substituents at phosphorus or nitrogen and strongly electron-withdrawing bulky pentafluorophenyl substituents at boron undergo a variety of addition and/or activation reactions with small molecules. A number of examples of such reactions are presented and discussed, among them the FLP activation of dihydrogen to give zwitterionic phosphonium (or ammonium)/hydridoborate zwitterions. Intramolecular FLPs also add to organic carbonyl compounds (including carbon dioxide), to alkenes and alkynes (including conjugated dienes, diynes or enynes), to heterocumulenes, to azides, and to nitric oxide.
引用
收藏
页码:45 / 83
页数:39
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