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Synthetic Application of Magnetic Nanocomposite Fe3O4@PEG-Au as a Heterogeneous and Reusable Nanocatalyst in The Suzuki Coupling Reactions | ||
Journal of Nanoanalysis | ||
مقاله 2، دوره 4، شماره 2، شهریور 2017، صفحه 110-115 اصل مقاله (609.66 K) | ||
نوع مقاله: Original Research Paper | ||
شناسه دیجیتال (DOI): 10.22034/jna.2017.02.002 | ||
نویسندگان | ||
Amir Homayoun Keihan1؛ Hamed Veisi* 2؛ Hadis Javaheri3 | ||
1Molecular Biology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran | ||
2Nanobiotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran | ||
3Department of Chemistry, Payame Noor University, Tehran, Iran | ||
چکیده | ||
In the present study, we carried out chemical synthesis and characterization of Fe3O4@PEG-Au as a magnetic nanocomposite in aqueous solution by chemical co-precipitation of Fe3+ and Fe2+ ions and encapsulated by poly (ethylene glycol) (PEG) in order to enhancing hydrophilicity, biocompatibility and immobilizing gold ions in the presence of NaBH4 as a reducing agent. Nanostructures were characterized again with FESEM and TEM. The nanoparticles with their spherical shape and dimensions of approximately 12 nm were used as a heterogeneous catalyst for Suzuki coupling reactions whilst in mild conditions. The high efficiency of the catalytic reaction was affirmed by the good yields of products, easy work-up, and absence of leached gold from the support and the smooth recovery of the catalyst. | ||
کلیدواژهها | ||
Nanocatalyst؛ Suzuki؛ magnetic؛ PEG؛ Gold NPs | ||
مراجع | ||
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