Sulfation of carboxy starch with sodium pyrosulfate in dimethyl sulfoxide

Sulfation of carboxy starch with sodium pyrosulfate in dimethyl sulfoxide Chemical modification of potato carboxy starch in the sodium pyrosulfate— dimethyl sulfoxide system was studied with the aim of preparing water-soluble highly substituted sulfo esters. The dependence of the degree of sulfo group substitution on the reaction conditions was studied in detail. The optimal conditions ensuring formation of water-soluble sulfo esters of carboxy starch with the maximal sulfur content were determined. The carboxy starch sulfo ester samples synthesized were characterized by elemental analysis, IR and 13C NMR spectroscopy, and high-performance exclusion chromatography. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Sulfation of carboxy starch with sodium pyrosulfate in dimethyl sulfoxide

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427210010258
Publisher site
See Article on Publisher Site

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