Homogeneous Sulfation of Xylan from Different Sources

被引：49

作者：

Daus, Stephan ^{[1
]}

Petzold-Welcke, Katrin ^{[1
]}

Koetteritzsch, Manuela ^{[1
]}

Baumgaertel, Anja ^{[1
]}

Schubert, Ulrich S. ^{[1
]}

Heinze, Thomas ^{[1
]}

机构：

[1] Univ Jena, Inst Organ Chem & Makromol Chem IOMC, D-07743 Jena, Germany

来源：

MACROMOLECULAR MATERIALS AND ENGINEERING | 2011年 / 296卷 / 06期

关键词：

MALDI-TOF mass spectrometry; NMR spectroscopy; sulfation; xylan; PENTOSAN POLYSULFATE; ANTICOAGULANT PROPERTIES; RUDBECKIA-FULGIDA; SODIUM; STARCH;

D O I：

10.1002/mame.201000390

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

Xylan sulfates have been prepared under homogeneous reaction conditions in DMF/LiCl applying SO3/pyridine and SO3/DMF. The degree of substitution (DSSulfate) of the products obtained was determined by elemental analysis. DSSulfate reached values of up to 1.90 applying a molar ratio of 3 mol sulfating agent per anhydroxylose unit. The structure of the xylans and of the xylan sulfates was studied in detail by one-and two-dimensional NMR spectroscopy and MALDI-TOF mass spectrometry.

引用

页码：551 / 561

页数：11

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