Mononuclear calcium complex as effective catalyst for alkenes hydrogenation

被引：36
|
作者：
Shi, Xianghui [1 ]
Hou, Cuiping [1 ,2 ]
Zhao, Lanxiao [1 ,3 ]
Deng, Peng [1 ,3 ]
Cheng, Jianhua [1 ,3 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, 5625 Renmin St, Changchun 130022, Peoples R China
[2] Univ Chinese Acad Sci, Changchun Branch, Changchun 130022, Peoples R China
[3] Univ Sci & Technol China, Hefei 230029, Anhui, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 38期
基金：
中国国家自然科学基金;
关键词：
MOLECULAR MAGNESIUM HYDRIDE; REACTIVITY; HYDROSILYLATION; REAGENTS; HALIDES; CLUSTER; LIGAND; EARTHS; CATION;
D O I：
10.1039/d0cc01745k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hydrogenolysis of the scorpionate-supported calcium benzyl complex [(Tp(Ad,iPr))Ca(p-CH2C6H4-Me)(THP)] (Tp(Ad,iPr) = hydrotris(3-adamantyl-5-isopropyl-pyrazolyl)borate, THP = tetrahydropyran) (2-THP) afforded the mononuclear calcium hydrido complex [(Tp(Ad,iPr))Ca(H)(THP)] (3). Under mild conditions (40 degrees C, 10 atm H-2, 5 mol% cat.), complex 3 effectively catalyzed the hydrogenation of a variety of alkenes, including activated alkenes, semi-activated alkenes, non-activated terminal and internal alkenes. Mononuclear calcium unsubstituted alkyl complex [(Tp(Ad,iPr))Ca{(CH2)(4)Ph}(THP)] (6), proposed as the catalytic hydrogenation intermediate, was isolated and structurally characterized.
引用
收藏
页码：5162 / 5165
页数：4
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