A KINETIC-STUDY OF THE 1,10-PHENANTHROLINE-CATALYZED IRON(III) OXIDATION OF EPIMERIC ALDO-KETOHEXOSES, AND D-KETOHEXOSES, AND L-KETOHEXOSES

Authors
REDDY KN REDDY MKR RAJANNA KC SAIPRAKASH PK
Citation
Kn. Reddy et al., A KINETIC-STUDY OF THE 1,10-PHENANTHROLINE-CATALYZED IRON(III) OXIDATION OF EPIMERIC ALDO-KETOHEXOSES, AND D-KETOHEXOSES, AND L-KETOHEXOSES, Transition metal chemistry, 21(2), 1996, pp. 112-116
Citations number
19
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Transition metal chemistry
ISSN journal
03404285 → ACNP
Volume
21
Issue
2
Year of publication
1996
Pages
112 - 116
Database
ISI
SICI code
0340-4285(1996)21:2<112:AKOT1I>2.0.ZU;2-#
Abstract
Fe-III in H2SO4 medium does not oxidize sugars even at the reflux temp erature, however, the reaction is catalysed by trace amounts of 1,10-p henanthroline (phen). A kinetic study shows that the oxidation rate in creases as [phen] increases and exhibits a fractional order dependence upon [phen]. The orders with respect to [Fe-III] and [carbohydrate] a re unity. The oxidation rate decreases as [HSO4-] and [H2SO4] increase . A plausible mechanism is proposed involving participation of an [Fe- III-phen] precursor and sugar in the rate-determining step.