2O3, Pd/γ-Al2O3 and Au-Pd/γ-Al2O3, were prepared by the impregnation reduction method. The catalytic performance of these catalysts for direct base-free synthesis of imines by self-coupling of benzylamine was investigated. The results showed that the yield of imine could reach 93% over bimetallic alloy Au-Pd/γ-Al2O3 catalyst, much higher than monometallic Au or Pd nano particle catalyst. The used catalyst was recovered and 44% yield of imine could be obtained after 5 recycling use of Au-Pd/γ-Al2O3."/>

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The Performance of Supported Au-Pd Alloy Nano Particles Catalyst for Base-free Synthesis of Imines by Self-coupling of Amine
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Inner Mongolia Normal University,College of Chemistry and Environmental Science,Inner Mongolia Key Laboratory of Green Catalysis,Inner Mongolia Normal University,Hohhot,College of Chemistry and Environmental Science,Inner Mongolia Key Laboratory of Green Catalysis,Inner Mongolia Normal University,Hohhot,,College of Chemistry and Environmental Science,Inner Mongolia Key Laboratory of Green Catalysis,Inner Mongolia Normal University,Hohhot,College of Chemistry and Environmental Science,Inner Mongolia Key Laboratory of Green Catalysis,Inner Mongolia Normal University,Hohhot,College of Chemistry and Environmental Science,Inner Mongolia Key Laboratory of Green Catalysis,Inner Mongolia Normal University,Hohhot

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    Abstract:

    A series of supported nano particles catalysts, Au/γ-Al2O3, Pd/γ-Al2O3 and Au-Pd/γ-Al2O3, were prepared by the impregnation reduction method. The catalytic performance of these catalysts for direct base-free synthesis of imines by self-coupling of benzylamine was investigated. The results showed that the yield of imine could reach 93% over bimetallic alloy Au-Pd/γ-Al2O3 catalyst, much higher than monometallic Au or Pd nano particle catalyst. The used catalyst was recovered and 44% yield of imine could be obtained after 5 recycling use of Au-Pd/γ-Al2O3.

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[Meilin Jia, Wulan Ao, Yongsheng Bao, Xiaowei Chen, Sagala Bao, Jiang Wang, Zhaorigetu Bao. The Performance of Supported Au-Pd Alloy Nano Particles Catalyst for Base-free Synthesis of Imines by Self-coupling of Amine[J]. Rare Metal Materials and Engineering,2018,47(2):442~446.]
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  • Received:April 13,2016
  • Revised:August 16,2016
  • Adopted:September 18,2016
  • Online: March 15,2018
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