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Kinetics of oxidation of some amino acids by KMNO4 in a moderately concentrated H2SO4 medium in the presence and absence of Ag+

✍ Scribed by V. Surender Rao; B. Sethuram; T. Navaneeth Rao

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
375 KB
Volume
11
Category
Article
ISSN
0538-8066

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✦ Synopsis

Abstract

The kinetics of oxidation of glycine, alanine, phenylalanine, serine threonine, aspartic, and glutamic acid by acid permanganate were investigated to elucidate the mechanism of the reactions. The rate law was found to be
The reactions were found to be acid catalyzed, and the kinetic data indicate the participation of the water molecules in the rate‐determining step as a proton‐abstracting agent from the substrate, as per Bunnett's hypothesis. As Ag^+^ was found to catalyze these reactions, the oxidation of glycine and glutamic acid was studied, and the rate law was found to be

A probable mechanism consistent with the observed results is discussed.

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