TY - JOUR
T1 - FeO x -supported platinum single-atom and pseudo-single-atom catalysts for chemoselective hydrogenation of functionalized nitroarenes
AU - Wei, Haisheng
AU - Liu, Xiaoyan
AU - Wang, Aiqin
AU - Zhang, Leilei
AU - Qiao, Botao
AU - Yang, Xiaofeng
AU - Huang, Yanqiang
AU - Miao, Shu
AU - Liu, Jingyue
AU - Zhang, Tao
N1 - Funding Information:
We are grateful to the National Science Foundation of China (21176235, 21203182, 21202163, 21303194 and 21373206), the Key Research Program of the Chinese Academy of Sciences, and the Hundred Talents Program of Dalian Institute of Chemical Physics for the financial supports. We also thank Professor Yuying Huang (14W of Shanghai Synchrotron Radiation Facility in China) for his great help in the EXAFS experiment. J.L. acknowledges the start-up fund of the College of Liberal Arts and Sciences of Arizona State University and the use of facilities in the John M. Cowley Center for High Resolution Electron Microscopy at Arizona State University.
Publisher Copyright:
&2014 Macmillan Publishers Limited. All rights reserved.
PY - 2014
Y1 - 2014
N2 - The catalytic hydrogenation of nitroarenes is an environmentally benign technology for the production of anilines, which are key intermediates for manufacturing agrochemicals, pharmaceuticals and dyes. Most of the precious metal catalysts, however, suffer from low chemoselectivity when one or more reducible groups are present in a nitroarene molecule. Herein we report FeO x -supported platinum single-atom and pseudo-single-atom structures as highly active, chemoselective and reusable catalysts for hydrogenation of a variety of substituted nitroarenes. For hydrogenation of 3-nitrostyrene, the catalyst yields a TOF of ∼1,500a ‰h a'1, 20-fold higher than the best result reported in literature, and a selectivity to 3-aminostyrene close to 99%, the best ever achieved over platinum group metals. The superior performance can be attributed to the presence of positively charged platinum centres and the absence of Pt-Pt metallic bonding, both of which favour the preferential adsorption of nitro groups.
AB - The catalytic hydrogenation of nitroarenes is an environmentally benign technology for the production of anilines, which are key intermediates for manufacturing agrochemicals, pharmaceuticals and dyes. Most of the precious metal catalysts, however, suffer from low chemoselectivity when one or more reducible groups are present in a nitroarene molecule. Herein we report FeO x -supported platinum single-atom and pseudo-single-atom structures as highly active, chemoselective and reusable catalysts for hydrogenation of a variety of substituted nitroarenes. For hydrogenation of 3-nitrostyrene, the catalyst yields a TOF of ∼1,500a ‰h a'1, 20-fold higher than the best result reported in literature, and a selectivity to 3-aminostyrene close to 99%, the best ever achieved over platinum group metals. The superior performance can be attributed to the presence of positively charged platinum centres and the absence of Pt-Pt metallic bonding, both of which favour the preferential adsorption of nitro groups.
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U2 - 10.1038/ncomms6634
DO - 10.1038/ncomms6634
M3 - Article
AN - SCOPUS:84923323568
SN - 2041-1723
VL - 5
JO - Nature communications
JF - Nature communications
M1 - 5634
ER -