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Reactivities of osmium (VIII) towards some aldoses, amino sugars, and methylated sugars in alkaline medium
Author(s) -
Sen Gupta Kalyan Kali,
Begum Bilkis Ara
Publication year - 1999
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/(sici)1097-4601(1999)31:7<477::aid-kin2>3.0.co;2-4
Subject(s) - chemistry , osmium , kinetics , sugar , aldose , organic chemistry , catalysis , glycoside , ruthenium , physics , quantum mechanics
The kinetics of oxidation of some aldoses, amino sugars and methylated sugars by osmium (VIII) have been studied spectrophotometrically in alkaline medium. The reactions are first‐order with respect to both [sugar]≤9.0×10 −3 mol dm −3 and [OH − ]≤10.0×10 −2 mol dm −3 but tends toward zero order with respect to each at higher concentration. Activation parameters of the reactions have been calculated and plausible reaction mechanisms have been suggested. © 1999 John Wiley & Sons, Inc. Int J Chem Kinet 31: 477–483, 1999