Magnetic base catalysts for the chemical fixation of carbon dioxide to quinazoline-2,4(1H,3H)-diones

被引：35
作者：
Zhao, Ya-Nan
Yu, Bing
Yang, Zhen-Zhen
He, Liang-Nian [1 ]
机构：
[1] Nankai Univ, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, State Key Lab, Tianjin 300071, Peoples R China
来源：
RSC ADVANCES | 2014年 / 4卷 / 55期
关键词：
SOLVENT-FREE SYNTHESIS; EFFICIENT SYNTHESIS; 2-AMINOBENZONITRILES; CO2; 1H-QUINAZOLINE-2,4-DIONES; NANOPARTICLES; DERIVATIVES; CONVERSION; COMPLEX; SEARCH;
D O I：
10.1039/c4ra03659j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Organic superbase-functionalized magnetic Fe3O4 was investigated to catalyze the fixation of CO2 with 2-aminobenzonitriles, resulting in the synthesis of quinazoline-2,4(1H,3H)-diones. After optimization of various reaction parameters such as reaction time, solvent, temperature and CO2 pressure, 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD)-functionalized Fe3O4 was proven to be an efficient and recyclable magnetic heterogeneous catalyst for the synthesis of various quinazoline-2,4(1H,3H)-diones in reasonable yields (66-93%), and it could be recovered using an external magnetic field.
引用
收藏
页码：28941 / 28946
页数：6
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