Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Solvolysis of p-Nitrobenzyl chloride in the Ethanol-water Mixtures

Ethanol-Water 溶液內에서의 p-Nitrobenzyl Chloride의 Solvolysis

  • Lee, Euk-Suk (Dept. of Chemistry, College of Liberal Arts and Sciences, Pusan University)
  • 이억석 (釜山大學校 文理科大學)
  • Published : 19660300
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Abstract

The thermodynamic parameters for the solvolysis of the p-nitrobenzyl chloride which take place in the ethanol-water mixture media were determined. From the application of this data to the formula ${\delta}_M{\Delta}H^{\neq} = a'Y + b{\delta}_M{\Delta}S^{\leq}$ the following conclusion was obtained. The substrate constant a' for this reaction was not varied in the media which contain more than 50% alcohol and less than 50% alcohol. From this, it is clear that the mechanism of this reaction is the same both in the water-rich solvent and in the alcohol-rich solvent.

Ethanol-water mixture 內에서 일어나는 p-nitrobenzyl chloride의 solvolysis反應에 대한 熱力學的 parameter를 구하고 이 data를 ${\delta}_M{\Delta}H^{\neq} = a'Y + b{\delta}_M{\Delta}S^{\leq}$에 適用함으로써 反應常數 a'가 50% 이하의 alcohol solvent에서나 50% 이상의 solvent에서 같다는 것을 알 수 있었다. 즉 water-rich solvent에서나 alcohol-rich solvent에서나 solvolysis反應의 mechanism은 변함이 없다는 것을 알았다.

Keywords

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