Effect of medium on reactivity for alkaline hydrolysis of p-nitrophenyl acetate and S-p-nitrophenyl thioacetate in DMSO-H2O mixtures of varying compositions: ground state and transition state contributions

Second-order rate constants (kN) for reactions of p-nitrophenyl acetate (1) and S-p-nitrophenyl thioacetate (2) with OH– have been measured spectrophotometrically in DMSO–H2O mixtures of varying co...