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用于水相中热致性酸催化多糖水解的羧基官能化烷基咪唑鎓盐

Carboxyl-Functionalized Alkylimidazolium Salts for Thermomorphic Acid-Catalyzed Polysaccharide Hydrolysis in Water.

作者信息

Abhyankar Kedar A, Somerville Rosie J, Dyson Paul J

机构信息

Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland.

出版信息

ChemSusChem. 2025 Apr 14;18(8):e202402214. doi: 10.1002/cssc.202402214. Epub 2024 Dec 19.

DOI:10.1002/cssc.202402214
PMID:39652630
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11997908/
Abstract

We report the use of carboxyl-functionalised alkylimidazolium salts as thermomorphic acid catalysts for the hydrolysis of cellulose and starch in water, free from organic solvents and auxiliary substances. The imidazolium salts are insoluble in water at room temperature and dissolve to form homogeneous solutions upon heating. Following catalysis at elevated temperatures the solution is cooled and the imidazolium salt precipitates from the aqueous layer to afford an aqueous glucose solution. This thermomorphic, temperature-switchable, process allows facile separation of the product and reuse of the catalyst while ensuring catalysis commensurate with homogeneous systems.

摘要

我们报道了使用羧基官能化的烷基咪唑鎓盐作为热omorphic酸催化剂，用于在无有机溶剂和辅助物质的水中水解纤维素和淀粉。咪唑鎓盐在室温下不溶于水，加热时溶解形成均相溶液。在高温下催化后，溶液冷却，咪唑鎓盐从水层中沉淀出来，得到葡萄糖水溶液。这种热omorphic、温度可切换的过程允许产物的轻松分离和催化剂的重复使用，同时确保与均相体系相当的催化作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/cb1f11c35fea/CSSC-18-e202402214-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/346fee78ead2/CSSC-18-e202402214-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/9e754a6a514e/CSSC-18-e202402214-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/90c13bf9537c/CSSC-18-e202402214-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/e0409d6c80a0/CSSC-18-e202402214-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/8eec16a2738c/CSSC-18-e202402214-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/b0885edf44a9/CSSC-18-e202402214-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/0ec6f9c9b45c/CSSC-18-e202402214-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/cb1f11c35fea/CSSC-18-e202402214-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/346fee78ead2/CSSC-18-e202402214-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/9e754a6a514e/CSSC-18-e202402214-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/90c13bf9537c/CSSC-18-e202402214-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/e0409d6c80a0/CSSC-18-e202402214-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/8eec16a2738c/CSSC-18-e202402214-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/b0885edf44a9/CSSC-18-e202402214-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/0ec6f9c9b45c/CSSC-18-e202402214-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/748d/11997908/cb1f11c35fea/CSSC-18-e202402214-g004.jpg

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本文引用的文献

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