Author： Shpan’ko I.
Publisher： Springer Publishing Company
ISSN： 0040-5760
Source： Theoretical and Experimental Chemistry, Vol.46, Iss.3, 2010-09, pp. : 176-181
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Abstract
Isoparametricity was observed in reactions of 3,5-dinitrophenyloxiran with arenesulfonic acids YC6H4SO3H in mixtures of dioxane with the dimethyl ether of diethyleneglycol (1:1, v:v) at 265, 287, and 303 K: at the isoparametric point for temperature, the rate of the process of oxiran ring-opening did not depend on the structure of Y, whereas at the isoparametric point for the constant of substituent Y, the free energy of activation did not depend on the temperature.
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