acetate buffer in water T=25°C; rate constants for a series acidic catalysts with various pKa; effect of viscosity (aq. glycerol) on rate constants, solvent deuterium isotope effects were determined; rate constants for the proton-transfer step were calculated; MechanismRate constantEquilibrium constant;

aspartic acid dimethyl ester in water T=25°C; μ = 1.0 (KCl); Rate constant;

acetate buffer in water T=25°C; other acidic catalysts with various pKa; effect of viscosity (aq. glycerol) on rate constants; MechanismRate constant;

in benzene 1.5 h;

in 1,4-dioxane; water T=22°C; pH=5.98; Rate constant;