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Solid-phase Hydrogenation of Organic Compounds over Metal Catalysts

Research Project

Project/Area Number 03804038
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 有機化学一般
Research InstitutionRyukoku University

Principal Investigator

HARADA Tadao  Ryukoku University, Faculty of Science and Technology Associate Professor, 理工学部, 助教授 (60029957)

Project Period (FY) 1991 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1992: ¥1,500,000 (Direct Cost: ¥1,500,000)
Fiscal Year 1991: ¥400,000 (Direct Cost: ¥400,000)
KeywordsSolid phase reaction / Hydrogenation / Product analysis / Catalyst inhibitor / Fine nickel powder / Disodium fumarate / Disodium maleate / 水素化反応 / 異性化反応
Research Abstract

Study on the solid-phase hydrogenation over a metal catalyst was carried out, using disodium fumarate and maleate as substrates and fine nickel powder as a catalyst. In the course of this study, it was found that the substrates were hydrogenated to disodium succinate even in the process of product analysis in the liquid phase. Thus, the development of a product analysis procedure to estimate the amount of disodium succinate formed in the solid phase was strongly required. An inhibitor treatment of the nickel catalyst was found to satisfy the requirement. A typical experimental procedure is as follows ; after the solid phase reaction, a methanol solution of catalyst inhibitor(e. g., sodium iodide and cysteine methyl ester hydrochloride) is added to the reaction mixture(Ni+substrate+product(s)). The inhibitor treatment of the nickel catalyst is followed by the extraction of the substrate and product(s) with H_2O *the esterification of the substrate and product(s)*GLC analysis. By the application of this procedure it was made clear that the amount of succinate formed in the solid phase was only 0.04mmol/g Ni in the maximum at 30゚C and at 1x10^5Pa hydrogen pressure, although a large excess of hydrogen gas was present in the reaction system. This finding suggests that a small amount of the substrate would be hydrogenated with dissociated hydrogen on the nickel surface and the hydrogen gas in the reaction system could not be consumed for the solid phase reaction under the above reaction conditions. The studies on the solid phase hydrogenation under severer conditions (higher temperature, higher pressure) are now in progress.

Report

(3 results)
  • 1992 Annual Research Report   Final Research Report Summary
  • 1991 Annual Research Report
  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] Tadao HARADA: "Hydrogenation of Sodium Fumarate in the Solid Phase over FiVE Nickel Powder." Proceedings of the 3rd International Conference on Spillover (T.Inui,K.Fujimoto,T.Uchijima and M.Masai,Eds.). (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Tadao Harada and Tsutomu Osawa: "Hydrogenation and Isomerization of Disodium Maleate in the Solid Phase over Fine Nickel Powder" Bull.Chem.Soc.Jpn. 65(4). 1168-1169 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Tadao Harada and Tsutomu Osawa: "Hydrogenation of Sodium Fumarate in the Solid Phase over Fine Nickel Powder" "Proc.3d Int.Confer. on Spillover" (T.Inui et al, Eds.). Elsevier, Amsterdam. (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Tadao Harada: "Hydrogenation and lsomerization of Disodium Maleate in the Solid Phase over Fine Nickel Powder." Bull.Chem.Soc.Jpn.65. 1168-1169 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Tadao Harada: "Hydrogenation of Sodium Fumarate in the Solid Phase over Fine Nickel Powder:" Proceedings of the 3rd International Conference on Spillover(T.Inui,K.Fujimoto,T.Uchijima and M.Maski,Eds.). (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] Tadao Harada: "Hydrogenation and Isomerization of Disodium Maleate in the Solid Phase over Nickel Powder" Bulletin of the Chemical Society of Japan4月号. 65. (1992)

    • Related Report
      1991 Annual Research Report

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Published: 1991-04-01   Modified: 2016-04-21  

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