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Highly selective tempo mediated oxidation of primary alcohol groups in polysaccharides

✍ Scribed by A.E.J. de Nooy; A.C. Besemer; H. van Bekkum

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
167 KB
Volume
113
Category
Article
ISSN
0165-0513

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✦ Synopsis

Abstract

A method for the selective oxidation of the primary hydroxyl functions of polysaccharides is described. The oxidation is mediated by 2,2,6,6‐tetramethyl‐1‐piperidinyloxy (TEMPO) and hypobromite is used as the regenerating oxidant. At pH 10.5–11 a selectivity of 98% for cold water soluble potato starch and >90% for dahlia inulin was found.

πŸ“œ SIMILAR VOLUMES

Highly selective nitroxyl radical-mediat
Highly selective nitroxyl radical-mediated oxidation of primary alcohol groups in water-soluble glucans
✍ Arjan E.J. de Nooy; Arie C. Besemer; Herman van Bekkum πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 437 KB

With catalytic amounts of 2,2,6,6-tetramethyl-l-piperidinyloxy (TEMPO) and hypochlorite/bromide as the regenerating oxidant in water, primary alcohol groups in glucans and derivatives thereof were rapidly and completely oxidised. For pyranosides, selectivity was higher than 95% and no side products