Kinetics of oxidation of glycylglycine by bromamine-T in acid medium

Iyengar, T. A. and Mahadevappa, D. S. (1993) Kinetics of oxidation of glycylglycine by bromamine-T in acid medium. Proceedings of the Indian Academy of Sciences - Chemical Sciences, 105 (1). pp. 63-70.

[img] Text
Kinetics of oxidation of glycylglycine by bromamine-T in acid medium.pdf
Restricted to Registered users only

Download (367kB) | Request a copy

Abstract

The kinetics of oxidation of a typical dipeptide glycylglycine (GG) by bromamine-T have been studied in HClO4 medium at 40-degrees-C. The rate shows first-order dependence on BAT]0 and is fractional order in GG]0 which becomes independent of substrate]0 at higher GG]0 At H+] > 0.02 mol dm-3, the rate is inverse fractional in H+] but is zero order at lower H+] (less-than-or-equal-to 0.02 mol dm-3). Variation in ionic strength or dielectric constant of the medium had no significant effect on the rate. The solvent-isotope effect was measured and k(H2O)'/k(D2O)' = 1.45. Proton inventory studies have been made. The reaction has been studied at different temperatures (308-323 K) and activation parameters have been computed.

Item Type: Article
Subjects: C Chemical Science > Chemistry
Divisions: Department of > Chemistry
Depositing User: Users 23 not found.
Date Deposited: 04 May 2021 09:04
Last Modified: 07 Jan 2023 05:57
URI: http://eprints.uni-mysore.ac.in/id/eprint/16333

Actions (login required)

View Item View Item