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Shape-selective ester hydrolysis by octadecyl immobilized H-ZSM-5 catalyst in liquid phase

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Abstract

The shape-selective property of octadecyltrichlorosilane treated H-ZSM-5, keeping the original acid strength (−5.6<Ho≦−3.0) in liquid phase in the hydrolysis of straight chain esters has been observed by comparing the reaction rates with those over octadecyltrichlorosilane treated SiO2-Al2O3. The most pronounced effect was found in the case of ethyl decanoate, viz. ca. 6 times.

Abstract

Для H-ZSM-5, обработанного октадецилтрихлорсилаоом и сохраняющего свою исходную кислотную силу (−5.6<Но≤−3.0) в жидкои фазе, наблюдались форма-селективные своиства в гидролизе зфиров с неразветвленнои цепочкои. Это было обнаружено при сравнении скоростеи реакции на этом цеолите со скоростями на SiO2−Al2O3, также обработанным октадецилтрихлорсиланом. Наиболее значительныи эффект наблюдался в случае этилдеканоата, где этот мнозитель равнялся 6.

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Authors and Affiliations

  1. Department of Chemistry, Tokyo Gakugei University, Koganei, 184, Tokyo, Japan

    H. Ogawa & T. Koh

  2. Department of Science Education, Bunkyo University, Koshigaya, 343, Saitama, Japan

    K. Taya

  3. Institute of Physical and Chemical Research (RIKEN), Wako, 351-01, Saitama, Japan

    T. Chihara

Authors
  1. H. Ogawa
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  2. T. Koh
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  3. K. Taya
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  4. T. Chihara
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Ogawa, H., Koh, T., Taya, K. et al. Shape-selective ester hydrolysis by octadecyl immobilized H-ZSM-5 catalyst in liquid phase. React Kinet Catal Lett 46, 313–317 (1992). https://doi.org/10.1007/BF02070951

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  • DOI: https://doi.org/10.1007/BF02070951

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