The second order rate constants and the activation parameters for the reaction of 2-thiophenesulfonyl chloride with aniline together with solution enthalpies of the reactants have been measured in methanol,ethanol, 2-propanol,acetonitrile and acetone. The reaction rates are slower in dipolar aprotic solvents than in protic ones due to a remarkable negative activation entropy. The rate constants are correlated with empirical solvent polarity parameters.The data seem in accord with a SAN reaction mechanism.
Titolo: | Solvent effects in the reaction of 2-Thiophenesulfonyl chloride with aniline | |
Autori interni: | ||
Data di pubblicazione: | 1975 | |
Rivista: | ||
Handle: | http://hdl.handle.net/20.500.11769/240966 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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