期刊
APPLIED SURFACE SCIENCE ADVANCES
卷 5, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apsadv.2021.100096
关键词
Magnetite nanocomposite; Core-shell; Supported melamine; 2-amino-3-cyanopyridines; Ultrasonic conditions
类别
资金
- Yasouj University
- Iran National Science Foundation (INSF)
A novel core-shell structured magnetic nanocomposite supported melamine with mesoporous silica shell and magnetite core was synthesized and used as a powerful nano-organocatalyst for preparation of 2-amino-3-cyanopyridines. The nanocatalyst showed efficient catalytic activity in water and could be magnetically recovered and reused multiple times while maintaining its efficiency.
A novel core-shell structured magnetic nanocomposite supported melamine with mesoporous silica shell and magnetite core (Fe3O4 @MCM-41/Melamine) was synthesized and used as powerful nano-organocatalyst for preparation of 2-amino-3-cyanopyridines. The Fe3O4@MCM-41/Melamine was synthesized via chemical grafting of propylmelamine groups on Fe3O4@MCM-41 nanocomposite. The structural and chemical characteristics of the Fe3O4 @MCM-41/Melamine were studied using Fourier transform infrared (FT-IR) spectroscopy, vibrating sample magnetometer (VSM), powder X-ray diffraction (PXRD), scanning electron microscopy (SEM) and energydispersive X-ray (EDX) techniques. The Fe3O4 @MCM-41/Melamine was used as powerful catalyst for preparation of 2-amino-3-cyanopyridines in water. This nanocatalyst was magnetically recovered and reused several times with keeping its efficiency.
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