达布科
催化作用
化学
热重分析
辛烷值
金属有机骨架
配体(生物化学)
物理吸附
偶联反应
多相催化
无机化学
铜
酚类
有机化学
受体
吸附
生物化学
作者
Nam T. S. Phan,Tung T. Nguyen,Vu T. Nguyen,Khoa D. Nguyen
出处
期刊:Chemcatchem
[Wiley]
日期:2013-04-22
卷期号:5 (8): 2374-2381
被引量:44
标识
DOI:10.1002/cctc.201300032
摘要
Abstract A highly porous metal–organic framework Cu 2 (BDC) 2 (DABCO) (H 2 BDC=1,4‐benzenedicarboxylic acid, DABCO=1,4‐diazabicyclo[2.2.2]octane) was synthesized and used as an efficient recyclable heterogeneous catalyst for the coupling reaction of phenols with nitroarenes to form diaryl ethers without using a ligand. Physical characterization of the MOF was obtained by using XRD, SEM, TEM, thermogravimetric analysis (TGA), FTIR spectroscopy, atomic absorption spectrophotometry (AAS), H 2 temperature‐programmed reduction (H 2 ‐TPR), and N 2 physisorption measurements. The Cu 2 (BDC) 2 (DABCO)‐catalyzed coupling reaction offers several advantages compared to the conventional Ullmann reaction for the synthesis of unsymmetrical diaryl ethers. To the best of our knowledge, the ligand‐free Cu‐catalyzed O‐arylation reaction of phenols with nitroarenes that uses a heterogeneous catalyst has not been mentioned previously in the literature.
科研通智能强力驱动
Strongly Powered by AbleSci AI