Partial Liquid-Phase Hydrogenation of Benzene to Cylohexene on SiO2-Immobilized Lanthanide (Eu and Yb) Catalysts |
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| Authors: | Hayao Imamura Toshiko Kumai Koji Nishimura Takayuki Nuruyu Yoshihisa Sakata |
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| Affiliation: | (1) Department of Advanced Materials Science and Engineering, Faculty of Engineering, Yamaguchi University, 2-16-1 Tokiwadai, Ube, 755-8611, Japan |
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| Abstract: | SiO2-immobilized Eu and Yb catalysts ( Si–O–Ln–NH2) obtained by the reaction of surface hydroxyl groups on SiO2 with lanthanide metals dissolved in liquid ammonia are active for the partial liquid-phase hydrogenation of benzene to cyclohexene when the reaction was carried out at 423–483 K with hydrogen pressures of 1–5 MPa. Interestingly, only divalent amides are catalytically effective for the partial hydrogenation of benzene. |
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| Keywords: | partial hydrogenation of benzene cyclohexene lanthanide catalysts europium ytterbium |
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