期刊
APPLIED ORGANOMETALLIC CHEMISTRY
卷 32, 期 6, 页码 -出版社
WILEY
DOI: 10.1002/aoc.4344
关键词
aldoximes; amides; Beckmann rearrangement; Fe3O4@SiO2-Lig-Cu; magnetic core-shell nanoparticles
资金
- Ferdowsi University of Mashhad Research Council [3/41331]
Copper complex-functionalized magnetic core-shell nanoparticles (Fe3O4@SiO2-Lig-Cu) were prepared and characterized using various techniques. The activity of the new catalyst was tested for the Beckmann rearrangement. The reaction conditions allow for the conversion of a wide variety of aldoximes, including aromatic and heterocyclic ones, to amides in good to excellent yields. High efficiency, mild reaction conditions, easy work-up, use of poly(ethylene glycol) as a green medium and simple purification of products are important advantages of this system. Moreover, the eco-friendly heterogeneous nanocatalyst could be easily recovered from the reaction mixture using an external magnet and reused several times.
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