Green Synthesis of Isosorbide from Sorbitol with Dimethyl Carbonate Catalyzed by Sodium Acetate Under Mild Condition

IF 2.3 4区化学 Q3 CHEMISTRY, PHYSICAL

Catalysis Letters Pub Date : 2025-04-04 DOI:10.1007/s10562-025-04997-8

Lan Zhou, Zhuxin Bao, Yanli Pi, Qiuling Shi, Shihao Nan, Zhiling Xiang, Tao Shi, Saimeng Jin, Weifeng Shen

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Abstract

The environmental challenges associated with the dehydration of sorbitol to isosorbide using strong acid catalysts have prompted the development of cleaner and milder reaction pathway. The dehydration of sorbitol via dimethyl carbonate (DMC) in the presence of a catalytic amount of base is a reliable and environmentally friendly process for the industrial production of isosorbide. Herein, isosorbide is cleanly synthesized from sorbitol with DMC catalyzed by green catalyst sodium acetate under moderate condition. The optimal transformation conditions of sorbitol to isosorbide through DMC are determined to be a molar ratio of sorbitol to DMC = 1:16 and sodium acetate/sorbitol mass ratio = 3:20 reacting at 90 °C for 24 h with approximately 60% yield of isosorbide attained. The proposed synthesis process of isosorbide in this research is less hazardous and more environmental-friendly in compared to traditional synthesis processes, and broadens the range of catalysts used in the DMC based isosorbide production.

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来源期刊

Catalysis Letters 化学-物理化学

CiteScore

5.70

自引率

3.60%

发文量

327

审稿时长

1 months

期刊介绍： Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis. The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.