多聚半乳糖醛酸异羟肟酸的高效多相合成：一种用于金属离子结合的多功能螯合剂

IF 1.3 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Chemistry and Technology Pub Date : 2023-02-28 DOI:10.35812/cellulosechemtechnol.2023.57.09

H. Würfel, Wenqiang Dang, T. Heinze

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引用次数: 0

摘要

聚半乳糖醛酸是去甲基化果胶的主要结构，在非均相条件下，可与羟胺在2-丙醇中有效转化为相应的羟肟酸。羧酸函数的转换程度可以定制，并且明显大于应用均匀过程时的程度。所制得的聚半乳糖醛酸具有良好的水溶性，能够与Al3+、Fe3+和Zn2+离子形成凝胶。羟基肟酸衍生物对Al3+和Fe3+的螯合金属离子的数量优于起始材料。

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"EFFICIENT HETEROGENEOUS SYNTHESIS OF POLYGALACTURONIC HYDROXAMIC ACID: A VERSATILE CHELATOR FOR METAL ION BINDING"

"Polygalacturonic acid, the main structure of demethylated pectin, can be efficiently transformed with hydroxylamine to the corresponding hydroxamic acids in 2-propanol under heterogeneous conditions. The degree of transformation of the carboxylic acid function can be tailored and is significantly larger than when applying a homogeneous procedure. The polygalacturonic hydroxamic acids obtained show good water solubility and are capable of forming gels with Al3+, Fe3+ and Zn2+ ions. The amount of metal ions chelated by the hydroxamic acid derivative for Al3+ and Fe3+ is superior in comparison with the starting material."

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来源期刊

Cellulose Chemistry and Technology 工程技术-材料科学：纸与木材

CiteScore

2.30

自引率

23.10%

发文量

审稿时长

7.3 months

期刊介绍： Cellulose Chemistry and Technology covers the study and exploitation of the industrial applications of carbohydrate polymers in areas such as food, textiles, paper, wood, adhesives, pharmaceuticals, oil field applications and industrial chemistry. Topics include: • studies of structure and properties • biological and industrial development • analytical methods • chemical and microbiological modifications • interactions with other materials