テトラクロルアルカン誘導体に関する研究-1-

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Hydrolysis of α, α, α, ω-tetrachloroalkane by sulfuric acid was found to be suitably made with the concentration of 90-96% from the estimation of the rate of reaction.<BR>Since the addition of 60% sulfuric acid from using of 98% sulfuric acid and water to the reaction system was effective in lowering the temperature of reaction, it was useful for preventing formation of resinous substance from the reaction mixture and securing of highly pure ω-chlorocarboxylic acid was possible. However, using of 98% sulfuric acid more than that of necessary amount accelerate the formation of tar and decreased the yield. The reactivity was in the order of 1, 1, 1, 5-tetrachloropentane>1, 1, 1, 7-tetrachloroneptane>1, 1, 1, 9-tetrachlorononane>1, 1, 1, 3-tetrachloropropane.<BR>The hydrolysis of tetrachloroalkane from propylene resulted in a violent resinifying reaction and dehydrochlorination by sodium sulfide gave better result.
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