Maghemite-Copper Nanocomposites: Applications for Ligand-Free Cross-Coupling (C−O, C−S, and C−N) Reactions
作者:Rakesh K. Sharma、Rashmi Gaur、Manavi Yadav、Anuj K. Rathi、Jiri Pechousek、Martin Petr、Radek Zboril、Manoj B. Gawande
DOI:10.1002/cctc.201500546
日期:2015.11
A magnetically retrievable, efficient, and benign maghemite‐Cu nanocatalyst was synthesized from inexpensive precursors and applied for C−O, C−N, and C−S bond‐formation reactions. The obtained maghemite‐Cu nanocatalyst was characterized by various techniques such as XRD, X‐ray photoelectron spectroscopy, field‐emission gun SEM with energy‐dispersive spectroscopy, atomic absorption spectroscopy, TEM
一种磁性可回收,高效且良性的磁赤铁矿-铜纳米催化剂是由廉价的前体合成的,并用于C-O,C-N和C-S键形成反应。所获得的磁赤铁矿-铜纳米催化剂通过多种技术进行了表征,例如XRD,X射线光电子能谱,具有能量色散能谱的场发射枪SEM,原子吸收能谱,TEM,高角度环形暗场扫描透射电子显微镜, FTIR光谱和Mössbauer光谱。优异的催化活性,易于回收和可重复使用而不会显着损失产率,使得本方案高度可持续以应对工业和环境问题。