FeOx-supported platinum single-atom and pseudo-single-atom catalysts for chemoselective hydrogenation of functionalized nitroarenes

Haisheng Wei, Xiaoyan Liu, Aiqin Wang (), Leilei Zhang, Botao Qiao, Xiaofeng Yang, Yanqiang Huang, Shu Miao, Jingyue Liu () and Tao Zhang ()
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Haisheng Wei: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Xiaoyan Liu: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Aiqin Wang: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Leilei Zhang: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Botao Qiao: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Xiaofeng Yang: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Yanqiang Huang: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Shu Miao: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Jingyue Liu: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China
Tao Zhang: Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, No. 457 Zhongshan Road, Dalian 116023, China

Nature Communications, 2014, vol. 5, issue 1, 1-8

Abstract: Abstract 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 FeOx-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 ~1,500 h−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.

Date: 2014
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DOI: 10.1038/ncomms6634

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