Solvation model for the oxidation of methionine by imidazolium fluorochromate in aqueous acetic acid medium | Zendy

John Bincy | Zendy; M. Pandeeswaran | Zendy; D. S. Bhuvaneshwari | Zendy; Kuppanagounder P. Elango | Zendy

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Solvation model for the oxidation of methionine by imidazolium fluorochromate in aqueous acetic acid medium

Author(s) -

John Bincy,

M. Pandeeswaran,

D. S. Bhuvaneshwari,

Kuppanagounder P. Elango

Publication year - 2006

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0601019b

Subject(s) - chloroacetic acid , acetic acid , chemistry , solvation , solvent , aqueous solution , methionine , mole fraction , inorganic chemistry , organic chemistry , amino acid , biochemistry

The oxidation of methionine by imidazolium fluorochromate (IFC) were studied, in the presence of chloroacetic acid, in water-acetic acid mixtures of varying molar compositions. The reaction is first order with respect to methionine, IFC and acid. The reaction rates were determined at different temperatures and the activation parameters were computed. The reaction rate increases with increasing mole fraction of acetic acid in the mixture and specific solvent-solvent-solute interactions were found to predominate (86 %). A solvation model and a probable mechanism for the reaction are postulated.

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