Abstract
A palladium organic–inorganic hybrid magnetic nanocatalyst for the Heck-cross coupling reactions was developed. This newly synthesized phosphine-free PdMNPs catalyzed Heck-cross coupling reactions in short reaction times (20–30 min) and high to excellent yields (75–93%). The catalyst was separated simply by an external magnet and reused in 10 successive runs without significant decrease in catalytic activity. The structure of the catalyst was established by Fourier transform infrared, X-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, vibrating sample magnetometer and thermogravimetric analysis analyses.
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