Establishing Fe-Cu interaction in a novel free-standing material to boost the catalytic activity for ligand-free Suzuki-Miyaura cross-couplings

被引：5
|
作者：
Chen, Chao [1 ]
Zhang, Qitao [1 ,2 ]
Yang, Hui [1 ]
Yu, Lei [1 ]
机构：
[1] Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Peoples R China
[2] Shenzhen Univ, Inst Microscale Optoeletron, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Minist Educ, Shenzhen 518060, Peoples R China
来源：
JOURNAL OF CATALYSIS | 2022年 / 416卷
基金：
中国国家自然科学基金; 日本学术振兴会;
关键词：
Catalysts; Iron; Copper; Electronic transfer; Suzuki cross -coupling; HIGHLY EFFICIENT; HECK REACTIONS; AT-PANI; NANO; PALLADIUM; ALUMINUM; CORROSION; NANOPARTICLES; NANOCATALYST; SONOGASHIRA;
D O I：
10.1016/j.jcat.2022.10.027
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study, a cheap and easily recyclable "tea-bag" shaped Cu(Fe-Cl)/Al catalyst was fabricated to cat-alyze the Suzuki-Miyaura coupling reactions with good yields. It was found that, after being doped with iron and chlorine, catalytic activity of the materials was prominently enhanced. The unique electron -donation mechanism enabled the reduction from Cu (II) to Cu (I) after iron doping, which greatly improved the catalytic activity. An in-depth analysis of the reaction mechanism was then probed using characterizations such as XPS, HRTEM, and control experiments. Compared with traditional homoge-neous or heterogeneous metal catalysts, this study can provide a green and economical choice to afford a free-standing recyclable catalyst with extremely high turnover numbers (TON up to 9.1 x 103) for Suzuki cross-coupling reactions.(c) 2022 Elsevier Inc. All rights reserved.
引用
收藏
页码：176 / 185
页数：10
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