On the Thermal Dissociation of Organic Compounds. XV. Thermal Dissociation of Urethans in the Presence of Aromatic Amines

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概要

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• <I>N</I>-Phenyl phenylurethans dissociate readily into their component compounds in the presence of aliphatic amines and the plot for the second order reaction shows a straight line throughout a large portion of the dissociation. However, the rate of the dissociation of urethans in aromatic amines is much slower than in aliphatic ones and shows a tendency of increasing rate as the dissociation proceeds. The anomalous acceleration of the dissociation is due to the reaction products, urea and phenol.<BR>In order to clarify the behavior of urea which accelerates the dissociation effectively, the rates of the dissociation of urethans in the presence of ureas and analogous compounds, such as urethans and amides, were determined.<BR>The mechanism of the dissociation of urethans in aromatic amines which involve the product catalyzed reaction was discussed.

• 社団法人 日本化学会の論文

著者

• Mukaiyama T.

  Department of Chemistry Tokyo Institute of Technology

• Akiba Toyohiko

  Department of Chemistry Tokyo Institute of Technology

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• On the Thermal Dissociation of Organic Compounds. XV. Thermal Dissociation of Urethans in the Presence of Aromatic Amines

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