Abstract
In this work, the encapsulated-Au nanoparticles (NPs) into the silica hollow NPs were synthesized by microwave-assisted preparation of PEG-coated Au NPs, coating them with a layer of organically modified silica and removing the PEG around the Au NPs. The structure of these encapsulated NPs was characterized by TEM, SEM, XRD, FTIR, EDX, TGA, and ICP-OES. These NPs have shown excellent activities in the aerobic oxidation of benzyl alcohol derivatives and tandem oxidative A3 coupling reactions as a catalyst and reactor in the water at room temperature.
Graphic Abstract
Synthesis of a new silica/gold nanoparticles as catalytic nano-reactor for carrying out A3-coupling reaction in the water at ambient temperature
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The authors would like to thank Tabriz Branch, Islamic Azad University for the financial support of this research, which is based on a research project contract.
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Hosseinzadeh, S.Z., Babazadeh, M., Shahverdizadeh, G.H. et al. Silica Encapsulated-Gold Nanoparticles as a Nano-reactor for Aerobic Oxidation of Benzyl alcohols and Tandem Oxidative A3 coupling Reactions in Water. Catal Lett 150, 2784–2791 (2020). https://doi.org/10.1007/s10562-020-03183-2
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DOI: https://doi.org/10.1007/s10562-020-03183-2