期刊
CATALYSIS LETTERS
卷 150, 期 10, 页码 2784-2791出版社
SPRINGER
DOI: 10.1007/s10562-020-03183-2
关键词
Gold NPs; PEG coating; Silica hollow sphere; Aerobic oxidation of alcohols; A3 coupling
资金
- Tabriz Branch, Islamic Azad University
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.
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