Highly monodisperse graphene oxide‐supported Ru/Pd nanoparticles (RuPd@GO NPs) have been reproducibly and easily synthesized by microwave assisted method. RuPd@GO NPs was performed for dehalogenation of arylhalides in the presence of ammonia borane in a mild condition as novel, highly efficient and exceptional reusable heterogeneous catalyst. The novel materials were characterized by transmission electron microscopy (TEM), the high resolution electron micrograph (HRTEM), X‐ray diffraction (XRD) and X‐ray photoelectron spectroscopy (XPS). The results showed that the prepared catalysts are highly crystalline, monodisperse and colloidally stable. The current one‐pot catalytic process was described as a new methodology for dehalogenation of arylhalides which can be assessed as a quite simple, eco‐friendly and highly efficient as well as exceptional reusable. All products were provided with one of the highest yield and the shortest time in the presence of novel RuPd@GO NPs due to the the synergistic effect of Ru and Pd. Our synthesis process comes with a facile and eco‐friendly option to RuPd@GO NPs, allowing further scrutiny of current catalysts for numerous other chemical reactions.
An easy and effective synthetic method has been developed for the reduction of aldehyde compounds in the presence of monodisperse Pt(0)/TPA@rGO NPs as the catalyst.
Superior carbon nanotube furnished CoPd (CoPd@CNT) nanoparticles (NPs) were reproducibly and easily produced by sonochemical double solvent reduction method in a mild condition and the size of the CoPd NPs was found as 3.63 nm. The prepared novel catalyst were characterized by transmission electron microscopy (TEM), the high resolution electron micrograph (HRTEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The sum of their results showed the formation of highly crystalline, monodisperse and colloidally stable CoPd@CNT. The catalytic performance of these novel NPs were investigated for the first time for highly selective reduction to -NO 2 unlike -CN groups, in which they were found to be exceptional reusable, isolable, stable and highly efficient heterogeneous catalyst. All prepared products were obtained with perfect yield by using CoPd@CNT as a heterogeneous catalyst and NaBH 4 as a hydrogen source. Our synthesis process provides a facile and eco-friendly route to CoPd@CNT, allowing further investigation of current catalysts for many other chemical reactions.
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