Effects of mixed H2O CH3CN solvents on the Brønsted coefficient for the intramolecular general base??catalyzed cleavage of ionized phenyl salicylate in the …

…, Z Arifin, A George, IA Wahab

Index: Khan, M. Niyaz; Arifin; George; Wahab International Journal of Chemical Kinetics, 2000 , vol. 32, # 3 p. 153 - 164

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Abstract

Abstract Nucleophilic second-order rate constants, kn ms, for the reactions of several primary and secondary amines with ionized phenyl salicylate (PS−) show a nonlinear decrease with the increase in the content of CH 3 CN from 2 to≤ 50% v/v in mixed aqueous solvent. The values of kn ms remain almost unchanged with the change in the content of CH 3 CN at> 50% v/v. The nucleophilic reactivity of primary and secondary amines toward PS ...

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