Kinetics and mechanism of the ruthenium(III) catalysed oxidation of reducing sugars by chloramine-T in alkaline medium

Authors
Kambo, N Upadhyay, SK
Citation
N. Kambo et Sk. Upadhyay, Kinetics and mechanism of the ruthenium(III) catalysed oxidation of reducing sugars by chloramine-T in alkaline medium, TRANSIT MET, 25(4), 2000, pp. 461-464
Citations number
15
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
TRANSITION METAL CHEMISTRY
ISSN journal
03404285 → ACNP
Volume
25
Issue
4
Year of publication
2000
Pages
461 - 464
Database
ISI
SICI code
0340-4285(2000)25:4<461:KAMOTR>2.0.ZU;2-B
Abstract
The kinetics of the ruthenium(III) catalysed oxidation of reducing sugars, viz. arabinose, xylose, galactose, glucose, fructose, lactose and maltose b y chloramine-T have been studied in alkaline medium. The reactions exhibit a first order rate dependence with respect to: [substrate], [chloramine-T] and [OH-]. The rate is proportional to {k' + k "[Ru-III]}, where k' and k " are rate constants for uncatalysed and catalysed path respectively. A suit able mechanism, consistent with the kinetic data, is proposed and discussed .