期刊
APPLIED ORGANOMETALLIC CHEMISTRY
卷 31, 期 7, 页码 -出版社
WILEY
DOI: 10.1002/aoc.3641
关键词
glucose immobilization; green catalyst; hydrogen bond catalysis; magnetic nanoparticles; pyrazole synthesis
资金
- Tarbiat Modares University
A green, benign, heterogeneous, superparamagnetic catalyst (Glu.@Fe3O4) was synthesized and characterized using Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, scanning electron microscopy and vibrating sample magnetometry. The prepared catalyst was used to achieve a high-efficiency, low-cost, eco-friendly and easy-to-handle protocol for synthesizing substituted pyrazole derivatives from aldehydes, malononitrile and phenylhydrazine. The catalyst was also used in chromene synthesis. Glucose coated on magnetic nanoparticles provided excellent catalytic activity. The catalyst could be recycled for up to four runs without significant loss in catalytic activity.
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