Magnetically separable and recyclable Fe3O4@SiO2/isoniazide/Pd nanocatalyst for highly efficient synthesis of biaryls by Suzuki coupling reactions

Fatemeh Heidari; Malak Hekmati; Hojat Veisi

doi:10.1016/j.jcis.2017.04.054

Magnetically separable and recyclable Fe₃O₄@SiO₂/isoniazide/Pd nanocatalyst for highly efficient synthesis of biaryls by Suzuki coupling reactions

J Colloid Interface Sci. 2017 Sep 1:501:175-184. doi: 10.1016/j.jcis.2017.04.054. Epub 2017 Apr 20.

Authors

Fatemeh Heidari¹, Malak Hekmati¹, Hojat Veisi²

Affiliations

¹ Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Chemistry, Pharmaceutical Sciences Branch, Islamic Azad University, (IAUPS), Tehran, Iran.
² Department of Chemistry, Payame Noor University, Tehran, Iran. Electronic address: hojatveisi@yahoo.com.

PMID: 28456101
DOI: 10.1016/j.jcis.2017.04.054

Abstract

This report contains the procedure implemented in the preparation of Fe₃O₄@SiO₂/isoniazide/Pd as a novel magnetic nanocatalyst, in which isoniazide groups are utilized (as linkers) to secure palladium nanoparticles (Pd NPs) to the Fe₃O₄ exterior without agglomeration. The resultant catalyst was characterized through performing transmission electron microscopy (TEM), scanning electron microscopy (SEM), wavelength-dispersive X-ray spectroscopy (WDX), X-ray powder diffraction (XRD), Fourier transform infrared (FTIR), inductively coupled plasma (ICP), Energy-dispersive X-ray spectroscopy (EDS), vibrating sample magnetometer (VSM) and X-ray photoelectron spectroscopy (XPS). The catalytic behavior of Fe₃O₄@SiO₂/isoniazide/Pd was investigated to synthesis of biaryl compounds by Suzuki coupling reactions. Interestingly, the novel catalyst was able to be recovered and recycled six times without any noticeable loss in activity.

Keywords: Coupling; Magnetic; Nanocatalyst; Palladium; Suzuki.