Kinetic and Mechanistic Study of N-Bromosaccharin Oxidation of Galactose in Acetic Acid: Role of Micelles and Surfactants

The study expounds the mechanism and kinetics of micellar catalyzed N-bromosaccharin oxidation of galactose in acetic acid medium in the absence and presence of cationic, anionic and non-ionic surfactant. The impact of different experimental parameters, such as change in concentration of reactants, variation of reaction parameters like Hg(OAC) ₂ , H ⁺ , added salts, tuning of solvent composition and effect of reaction temperatures were also investigated. The Thermodynamic activation parameters, including the Arrhenius activation energy, are assessed under different thermal conditions. The rate expression has been formulated from experimental observations, and a mechanistic pathway has been inferred based on kinetic data, stoichiometry, and product characterization. Berezin’s model, Menger Portnoy model, and Piszkiewicz model provided the most comprehensive explanation for the behavior of cationic, anionic, and nonionic micelles.