纳米结构聚吡咯基磁性纳米催化剂用于咪唑和熔融咪唑的N-芳基化

IF 5.2 2区化学 Q1 CHEMISTRY, APPLIED

Catalysis Today Pub Date : 2024-12-29 DOI:10.1016/j.cattod.2024.115180

Sumanth Hegde, Sajin Surendran, Ajesh Vijayan, Aatika Nizam

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引用次数: 0

摘要

采用傅里叶变换红外光谱（FTIR）、场发射扫描电子显微镜（FESEM）、能量色散x射线分析（EDX）、高分辨率透射电子显微镜（HRTEM）、热重分析（TGA）、振动样品磁强计（VSM）和电感耦合等离子体原子发射光谱（ICP-AES）等分析技术对一种新型磁可回收多吡咯负载铜基纳米催化剂进行了表征。铜在催化剂表面的载重量为4.23 wt%。考察了所合成的纳米催化剂在咪唑n -芳基化反应中的应用。催化性能优良，易于回收，可重复使用6次。目前的绿色协议有利于扩大规模的工业。

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Nano-architectured polypyrrole based magnetic nanocatalyst for the N- arylation of imidazoles and fused imidazoles

A new magnetically recoverable polypyrrole supported copper based nanocatalyst was synthesized, characterized with various analytical techniques like Fourier-transform infrared spectroscopy (FTIR), Field Emission Scanning Electron Microscopy (FESEM), Energy Dispersive X-ray analysis (EDX), High Resolution Transmission Electron Microscopy (HRTEM), Thermogravimetric analysis (TGA), Vibrating Sample Magnetometry (VSM), and Inductively coupled plasma atomic emission spectroscopy (ICP-AES) analysis. The loading of copper on the surface of the catalyst was found to be 4.23 wt%. The application of the synthesized nanocatalyst was checked for the N-arylation of imidazoles. Excellent catalytic performance was obtained with easy recoverability and reusability upto six cycles. The current green protocol makes it environmentally beneficial for scale-up industries.

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来源期刊

Catalysis Today 化学-工程：化工

CiteScore

11.50

自引率

3.80%

发文量

573

审稿时长

2.9 months

期刊介绍： Catalysis Today focuses on the rapid publication of original invited papers devoted to currently important topics in catalysis and related subjects. The journal only publishes special issues (Proposing a Catalysis Today Special Issue), each of which is supervised by Guest Editors who recruit individual papers and oversee the peer review process. Catalysis Today offers researchers in the field of catalysis in-depth overviews of topical issues. Both fundamental and applied aspects of catalysis are covered. Subjects such as catalysis of immobilized organometallic and biocatalytic systems are welcome. Subjects related to catalysis such as experimental techniques, adsorption, process technology, synthesis, in situ characterization, computational, theoretical modeling, imaging and others are included if there is a clear relationship to catalysis.