Triple Frustrated Lewis Pair-Type Reactivity on a Single Rare-Earth Metal Center

被引：18

作者：

Sun, Xiong ^{[1
]}

Su, Wei ^{[1
]}

Shi, Kaiying ^{[1
]}

Xie, Zhuoyi ^{[1
]}

Zhu, Congqing ^{[1
]}

机构：

[1] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Jiangsu Key Lab Adv Organ Mat, Nanjing 210093, Peoples R China

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2020年 / 26卷 / 24期

基金：

中国国家自然科学基金; 国家自然科学基金重大研究计划;

关键词：

cerium; frustrated Lewis pairs; heptadentate ligands; heteroallenes; phosphorus; SMALL-MOLECULE ACTIVATION; CARBON-DIOXIDE BINDING; PHOSPHINE COMPLEXES; C-H; TRANSITION-METAL; CHEMISTRY; BOND; SCANDIUM; CO2; HYDROGENATION;

D O I：

10.1002/chem.201905629

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Rare-earth metal cations have been used rarely as Lewis-acidic components in the chemistry of frustrated Lewis pairs (FLPs). Herein, we report the first cerium/phosphorus system (2) employing a heptadentate N4P3 ligand, which exhibits triple FLP-type reactivity towards a series of organic substrates, including isocyanates, isothiocyanates, diazomethane, and azides on a single rare-earth Lewis acidic Ce center. This result shows that the Ce center and three P atoms in 2 could simultaneously activate three equivalents of small molecules under mild conditions. This study broadens the diversity of FLPs and demonstrates that rare earth based FLP exhibit unique properties compared with other FLP systems.

引用

页码：5354 / 5359

页数：6

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