Studies on the Condensation of Acetylene with Ammonia. II

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  • Ishiguro Takeo
    Pharmaceutical Institute, Medical Faculty, University of Kyoto
  • Kitamura Eiichi
    Pharmaceutical Institute, Medical Faculty, University of Kyoto
  • Kubota Seiju
    Pharmaceutical Institute, Medical Faculty, University of Kyoto
  • Tabata Nobuo
    Pharmaceutical Institute, Medical Faculty, University of Kyoto

Bibliographic Information

Other Title
  • アセチレンとアンモニアの縮合に関する研究 (第2報)
  • アセトニトリルの合成
  • Synthesis of Acetonitrile

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Description

The product obtained by the condensation of acetylene and ammonia differs in ratio of pyridine bases and acetonitrile by the kind of catalyst used. The yield ratios of these two substances are naturally affected by the difference in temperature but, from the values of this yield ratio, the catalysts were found to be divided into two groups. By the use of a certain combination of the catalysts of these two groups, it was found possible to obtain the best conditions for maximum yield of acetonitrile. For example, by the passage of an equal mixture of acetylene and ammonia gas through a catalyst composed of 80% kaolin and 20% zinc oxide, heated to 400°, over 91% of the condensation product will be acetonitrile, less than 0.8% being pyridine bases. The life of this catalyst is very long, and can be used repeatedly by reactivation.

Journal

  • YAKUGAKU ZASSHI

    YAKUGAKU ZASSHI 72 (5), 607-610, 1952

    The Pharmaceutical Society of Japan

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