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|Title:||Kinetics of the reaction of phenacyl bromide with substituted 2-phenylthiazolidines|
Prabakaran, T R
|Abstract:||The kinetics of the reaction of phenacyl bromide with several 2-(m- or p-substituted phenyl)thiazolidines have been studied at 30.0°, 35.0° and 43.0°C in ethanol. The reaction follows second order kinetics, first order in each reactant. Electron-releasing substituents in SPT facilitate the reaction, whereas electron-withdrawing substituents have a retarding effect. The correlation with σ values yields a better ρ value of -1.93 at 43.0°C. A similar correlation at 30.0°C provides a ρ value of -1.14. From the Bronsted plot the value of α= 0.91 is obtained. There is evidence for a triangular transition state in the reaction.|
|Appears in Collections:||IJC-A Vol.35A(05) [May 1996]|
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