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|Title:||Effect of substituents on kinetics of bimolecular nucleophilic substitution reaction involving p-substituted phenacyl bromides and 2-substituted benzimidazoles|
|Authors:||Winston, S John|
Rao, P Jayaprakash
Rao, T Navaneeth
|Abstract:||The second order rate constants and activation parameters for the reaction of various p-substituted phenacyl bromides with 2-substituted benzirnidazoles have been measured in 90% acetone-10% water (v/v) medium at different temperatures. The rate constants for the reaction of substitute phenacyl bromides with a given benzimidazole fit well into the Hammett equation while those for the reaction of 2-substituted benzimidazoles with a given phenacyl bromide do not do so. The ρ-values for various phenacyl bromides with each benzimidazole have been calculated and art found to be very close.|
|Appears in Collections:||IJC-A Vol.28A(06) [June 1989]|
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