期刊
NEW JOURNAL OF CHEMISTRY
卷 41, 期 9, 页码 3358-3366出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nj00066a
关键词
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资金
- National Natural Science Foundation of China [21506078, 21506082]
- Research Foundation of Jiangsu University [15JDG026]
- China Postdoctoral Science Foundation [2016M591786, 2016M601739]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1601084B]
Monometallic Cu, monometallic Ni, and bimetallic CuxNiy nanoparticles were prepared by a wet chemical reduction method. A Cu-Ni alloy phase was formed in the bimetallic CuxNiy nanoparticles. The bimetallic CuxNiy nanoparticles exhibited higher catalytic activity for the hydrogenation of 3-nitro-4-methoxy-acetylaniline (NMA) to 3-amino-4-methoxy-acetylaniline (AMA) with H-2 than the sole Ni nanoparticles, which was ascribed to the effect of the Cu-Ni alloy phase. When the reaction was catalyzed over the bimetallic Cu0.7Ni0.3 catalyst at 140 degrees C for 2 h, the AMA selectivity was 99.4% when the NMA conversion was 95.7%. The reaction activation energy for NMA hydrogenation was 19.74 kJ mol(-1).
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