Chemoselective Hydrogenation of Nitrostyrene to Aminostyrene over Pd- and Rh-Based Intermetallic Compounds

DOI Web Site 被引用文献11件 参考文献28件
  • Shinya Furukawa
    Department of Chemistry, ‡Department of Chemistry and Materials Science, Tokyo Institute of Technology, 2-12-1-E1-10 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
  • Yurika Yoshida
    Department of Chemistry, ‡Department of Chemistry and Materials Science, Tokyo Institute of Technology, 2-12-1-E1-10 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
  • Takayuki Komatsu
    Department of Chemistry, ‡Department of Chemistry and Materials Science, Tokyo Institute of Technology, 2-12-1-E1-10 Ookayama, Meguro-ku, Tokyo 152-8551, Japan

書誌事項

公開日
2014-04-09
資源種別
journal article
DOI
  • 10.1021/cs500082g
公開者
American Chemical Society (ACS)

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説明

A noble catalytic system based on intermetallic compounds was developed for the chemoselective hydrogenation of p-nitrostyrene (NS) to p-aminostyrene (AS). The main concept of the catalyst design was to construct polar active sites consisting of two types of metals with different electronegativities. We prepared a series of Pd- and Rh-based intermetallics and investigated their catalytic properties in detail in the catalytic transfer hydrogenation of nitrobenzene and NS in the presence of 4-methyl-1-cyclohexene (MC) or methanol as a hydrogen donor. FT-IR studies of adsorbed CO confirmed that the number of Pd ensembles exposed on a surface was greatly decreased by the formation of an intermetallic phase; hence, the particle surface consisted of two metal elements being coadjacent at the atomic level. The product distribution achieved with Pd catalysts was dependent on the electronegativity of the second metal element: more electronegative metals gave higher AS selectivity and lower p-ethylnitrobenzene sele...

収録刊行物

  • ACS Catalysis

    ACS Catalysis 4 (5), 1441-1450, 2014-04-09

    American Chemical Society (ACS)

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