Hydroboration of CO2 catalyzed by heteroscorpionate zwitterionic zinc and magnesium hydride complexes

被引：0
|
作者：
He, Wenhao [1 ,2 ]
Liu, Xinli [1 ]
Cui, Dongmei [1 ,2 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
[2] Univ Sci & Technol China, Sch Appl Chem & Engn, Hefei 230026, Peoples R China
来源：
DALTON TRANSACTIONS | 2022年 / 51卷 / 12期
基金：
中国国家自然科学基金;
关键词：
CARBON-DIOXIDE; REDUCTION; METHANOL; HYDROSILYLATION; REACTIVITY; ACTIVATION; PAIRS; C1;
D O I：
10.1039/d2dt00279e
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The heteroscorpionate zinc hydride complex LZnH 2, (L = (MePz)(2)CP(Ph)(2)NPh, MePz = 3,5-dimethylpyrazolyl), its formate complex 3, and magnesium hydride complex LMgH 5 with the same ligand were synthesized and detected for the catalytic hydroboration reaction of CO2. With BH3 center dot SMe2 as the reductant, zinc-based hydride complex 2 and formate complex 3 show a similar capability of hydroboration of CO2, featuring excellent reactivity and selectivity. The conversion of BH3 center dot SMe2 reached 84%, the highest TON of 252 compared to other zinc catalysts was achieved at room temperature and borate ester products at reduction levels of CH3OH were obtained. Magnesium-based hydride complex 5 showed inferior activity for the hydroboration reduction of CO2.
引用
收藏
页码：4786 / 4789
页数：4
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