Preferential Solvation Effects on the Kinetics and Thermodynamics of Oxidation of Anilines by Chromium(VI)
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D. S. Bhuvaneshwari
Summary
The imidazolium fluorochromate (IFC) oxidation of fifteen meta - and para-substituted anilines, in varying mole fractions of benzene in 2-methylpropan-2-ol as mixtures, in the presence of p-toluenesulfonic acid (TsOH) is first order in IFC and TsOH and zero order in substrate. The various thermodynamic parameters for the oxidation have been reported and discussed. The validity of the isokinetic relationship and various linear free energy relationships have been tested and discussed. The activation free energy data failed to correlate with macroscopic solvent parameters such as εr and ETN. Correlation of Δ G# with Kamlet–Taft solvatochromic parameters (α, β and π*) suggests that the specific solute–solvent interactions play a major role in governing the reactivity.
© by Oldenbourg Wissenschaftsverlag, München
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Artikel in diesem Heft
- Preferential Solvation Effects on the Kinetics and Thermodynamics of Oxidation of Anilines by Chromium(VI)
- Study on the Structure Transition of CTAB/1-Butanol/Heptane/Water Microemulsions by Pt Ultramicroelectrode
- Volumetric, Chromatographic, Refractometric Studies on the Esterification of Methanol with Acetic Acid in the Presence of Cation-Exchange Resins
- FTIR Study of Molecular Interaction in Butyl Methacrylate–Organic Solvents Mixtures
- The Difference in Entropy Between a Stable and Metastable Phase as the Temperature Approaches Zero Kelvin
- Synthesis, Structure, Electrical and Magnetic Properties of Li Substituted La/BaMnO3–δ
- Phase Equilibria in the Molten System KF-K2NbF7-Nb2O5
- A NMR Study on the Interactions of 1-Alkyl-3-Methylimidazolium Ionic Liquids with Acetone
