期刊
JOURNAL OF CATALYSIS
卷 295, 期 -, 页码 15-21出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2012.06.023
关键词
Au nanoparticles; Silica; Selective oxidation; Hydrogen peroxide; Cyclohexene; D-Glucose; Surfactants
资金
- Doktoris fellowship
Silica-supported nanogold catalysts suspended in 30% hydrogen peroxide using ultrasound are highly active and selective for cyclohexene and D-glucose oxidation at room temperature. In these conditions a polar reactant. D-glucose, can be efficiently and directly converted with 100% yield using this system, while a conversion of apolar cyclohexene is limited by the addition of a surfactant improving cosolubility in the system and/or catalyst/support wettability. To our best knowledge this is the first time that hydrogen peroxide has been used efficiently in association with a gold catalyst for the selective oxidation of cyclohexene in a biphasic system. (C) 2012 Elsevier Inc. All rights reserved.
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