期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 749, 期 -, 页码 233-240出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2013.10.011
关键词
Superparamagnetic; Sonogashira reaction; Aryl halide; Phenylacetylene; Palladium; Magnetic separation
资金
- Research Council of University of Shiraz
- Council of Iran National Science Foundation
Superparamagnetic nanoparticles functionalized with Schiff base complex of Pd (II) were simply synthesized by a two-step method. The catalyst was characterized by X-ray powder diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), dynamic light scattering (DLS), vibrating sample magnetometry (VSM), Fourier transform infrared (FT-IR), and N-2 adsorption-desorption isotherm analysis. Also, its Pd content was determined by Inductively Coupled Plasma (ICP) analyzer. The immobilized palladium complex was used as an efficient catalyst for copper- and phosphine ligand-free Sonogashira reaction of aryl halides with phenylacetylene. This catalyst shows notable advantages such as simplicity of operation, excellent yields, short reaction times, heterogeneous nature, easy magnetically work up and recyclability. (C) 2013 Elsevier B. V. All rights reserved.
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