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The Tween-60-Assisted Preparation of Pd/C Catalyst and its Application in Suzuki Coupling Reactions
Abstract:
The Pd/C catalyst with high dispersion was prepared by the activated carbon loading palladium nanoparticles (Pd-NPs) obtained in the protection of Tween-60. The above-prepared Pd/C catalyst was characterized by X-ray diffraction (XRD), inductively coupled plasma-atomic emission spectrometry (ICP-AES), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), chemical adsorption instrument. The influences of the size, dispersion, crystal type and electronic state of the Pd/C catalyst on catalytic activity were investigated. The results of Suzuki coupling reaction over the above-prepared Pd/C demonstrated that the reaction yield of aryl bromide under the conditions of 60°C for 1 h and para-chloronitrobenzene under the conditions of 80°C for 12 h reach 99% and 73% respectively.
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118-121
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March 2015
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© 2015 Trans Tech Publications Ltd. All Rights Reserved
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