Sulfuric acid immobilized on silica: an excellent catalyst for Fischer type glycosylation

被引：123

作者：

Roy, Bimalendu ^{[1
]}

Mukhopadhyay, Balaram ^{[1
]}

机构：

[1] Cent Drug Res Inst, Med & Proc Chem Div, Lucknow 226001, Uttar Pradesh, India

来源：

TETRAHEDRON LETTERS | 2007年 / 48卷 / 22期

关键词：

D O I：

10.1016/j.tetlet.2007.03.165

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Fischer glycosylation, a widely used technique for the preparation of simple alkyl or aryl glycosides, has a few drawbacks including the use of strong mineral acids, excess alcohols, high temperature and long reaction times. This manuscript highlights a modification using sulfuric acid immobilized on silica as catalyst for the preparation of glycosides from free sugars such as D-glucose, D-galactose, D-mannose, L-rhamnose, L-fucose, N-acetyl-D-glucosamine and D-maltose with a diverse range of alcohols to afford a series of useful sugar derivatives in good to excellent yields. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：3783 / 3787

页数：5

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