Selective oxidation of alcohols to aldehydes/ketones over copper oxide-supported gold catalysts
作者： Hui Wang , Weibin Fan , Yue He , Jianguo Wang , Junko N. Kondo
DOI: 10.1016/J.JCAT.2012.11.018
关键词:
摘要: Abstract Selective oxidation of alcohols to aldehydes/ketones with O2 over a series supported gold catalysts was studied. The catalytic performance depends strongly on the support. It is also influenced by preparation method and pH value stirring rate during co-precipitation process as result their effect structure support particle size electronic state gold. Au/CuO co-precipitated at 10 100 rpm showed high activity, selectivity, stability. reaction might occur via oxidative dehydroxylation direct β-C H elimination, indicated IR result. different cycloalcohols that activity increased an increase in methyl groups. Both conversion ketone selectivity higher than 99% were achieved for cyclooctanol cyclododecanol.
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