Catalytic oxidation of carbohydrates into organic acids and furan chemicals,Chemical Society Reviews

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Catalytic oxidation of carbohydrates into organic acids and furan chemicals
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2018-01-03 00:00:00 , DOI: 10.1039/c7cs00213k
Zehui Zhang _{1,

2,

3,

4,

5} , George W. Huber _{6,

7,

8,

9}

Affiliation

A wide variety of commodity chemicals can be produced from the catalytic oxidation of carbohydrates or carbohydrate derived molecules including formic acid, acetic acid, glycolic acid, gluconic acid, glucaric acid, malonic acid, oxalic acid, 2,5-diformylfuran (DFF), 5-hydroxymethyl-2-furancarboxylic acid (HFCA), 5-formyl-2-furancarboxylic acid (FFCA), and 2,5-furandicarboxylic acid (FDCA). This review will highlight the recent research progress in the development of new routes for the production of organic acids and furan compounds via catalytic oxidation reactions. Particular attention will be paid to these one-pot reactions with the requirements of an acidic site and a metal site. For the one-pot transformation of cellobiose or lignocellulose into gluconic acid, these reactions were performed via a one-step strategy using a single catalyst containing an acidic site and a metal site. However, a two-step strategy was adopted for the oxidative transformation of carbohydrates into DFF or FDCA in order to avoid the oxidation of the carbohydrates. The first step was performed for the dehydration of carbohydrates into 5-hydroxylmethylfuran (HMF) in the presence of an acid catalyst, and the second step was performed for the oxidation of HMF into DFF or FDCA with a metal catalyst.

中文翻译：

碳水化合物催化氧化为有机酸和呋喃类化学物质

碳水化合物或碳水化合物衍生的分子（包括甲酸，乙酸，乙醇酸，葡萄糖酸，葡糖二酸，丙二酸，草酸，2,5-二甲酰呋喃（DFF））的催化氧化可产生多种商品化学品。 5-羟甲基-2-呋喃甲酸（HFCA），5-甲酰基-2-呋喃甲酸（FFCA）和2,5-呋喃二甲酸（FDCA）。本文将重点介绍通过催化氧化反应生产有机酸和呋喃化合物的新途径的最新研究进展。在酸性位点和金属位点的要求下，将特别注意这些一锅法反应。为了将纤维二糖或木质纤维素一锅转化为葡萄糖酸，进行了这些反应通过使用包含酸性位点和金属位点的单一催化剂的一步策略。但是，采用了两步策略将碳水化合物氧化转化为DFF或FDCA，以避免碳水化合物氧化。第一步是在酸催化剂的存在下将碳水化合物脱水成5-羟甲基呋喃（HMF），第二步是用金属催化剂将HMF氧化成DFF或FDCA。

更新日期：2018-01-03

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