A new environmental friendly method for the preparation of sugar acids via catalytic oxidation on gold catalysts

被引：120

作者：

Mirescu, Agnes ^{[1
]}

Pruesse, Ulf ^{[1
]}

机构：

[1] Fed Agr Res Ctr, Inst Technol & Biosyst Engn, D-38116 Braunschweig, Germany

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2007年 / 70卷 / 1-4期

关键词：

gold; selective oxidation; carbohydrates; aldonic acids;

D O I：

10.1016/j.apcatb.2006.01.017

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel and efficient way of producing of aldonic acids is reported. The selective catalytic oxidation of monosaccharides (arabinose, ribose, xylose, lyxose, mannose, rhamnose, glucose, galactose, N-acetyl-glucosamine) and disaccharides (lactose, maltose, cellobiose, melibiose) on Au, Pd and Pt catalysts was investigated. By using the gold catalyst, a total selectivity with respect to aldonic acids and a high catalytic activity for all investigated sugars was found. The reaction conditions for the production of maltobionic and lactobionic acids via oxidation on gold catalysts were optimised. A high long-term stability of two different gold catalysts for the oxidation of maltose and lactose, respectively, was found. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：644 / 652

页数：9

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