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Russian Journal of Organic Chemistry

, Volume 44, Issue 11, pp 1619–1625 | Cite as

Enthalpy and entropy relations in reactions of 2,4-dinitrophenyl benzoate with phenols in the presence of potassium carbonate in dimethylformamide

  • I. A. Khalfina
  • V. M. Vlasov
Article

Abstract

By means of competing reactions procedure the temperature dependence of the relative reactivity of phenols in reactions with 2,4-dinitrophenyl benzoate in the presence of potassium carbonate and DMF was examined. The correlation analysis of the relative rate constants k ArOH/k PhOH and the difference in the activation parameters (ΔΔH and ΔΔS ) of the competeing reactions revealed the existence of three isokinetic series. The interpretation of the transesterification mechanism was performed applying the approach underlain by the analysis of the effect of substituents nature on the activation parameters.

Keywords

Transesterification Ethyl Ether Entropy Relation Potassium Carbonate Phenyl Acetate 
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Copyright information

© MAIK Nauka 2008

Authors and Affiliations

  1. 1.Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian DivisionRussian Academy of SciencesNovosibirskRussia

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