Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2015

Идентификатор DOI: 10.1134/S1068162015070158

Ключевые слова: arabinogalactan, sulfation, sulfamic acid, dioxane, sulfated arabinogalactan, structure

Аннотация: The sulfation of arabinogalactan (AG) by sulfamic acid in the presence of urea in dioxane has been studied. The degree of AG sulfation increases as the sulfation temperature increases from 70 to 95 degrees C. As indicated by C-13 NMR spectroscopy, the sulfate groups in sulfated AG are in the C2 and C4 positions of the main galactan chain and the C6 position of the terminal galactose units of the main and the side chains of AG. The sulfation of AG by the complex sulfamic acid-urea in dioxane medium makes it possible to increase the ecological safety and the efficiency of the process compared with the known methods of sulfation.

Журнал: RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY

Выпуск журнала: Vol. 41, Is. 7

Номера страниц: 725-731

ISSN журнала: 10681620

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

• Vasil'Eva N.Y. (Siberian Federal University)
• Levdansky A.V. (Institute of Chemistry and Chemical Technology,Siberian Branch,Russian Academy of Sciences)
• Kuznetsov B.N. (Siberian Federal University)
• Skvortsova G.P. (Institute of Chemistry and Chemical Technology,Siberian Branch,Russian Academy of Sciences)
• Kazachenko A.S. (Institute of Chemistry and Chemical Technology,Siberian Branch,Russian Academy of Sciences)
• Djakovitch L. (IRCELYON)
• Pinel C. (IRCELYON)

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