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Citation: Jiabin Sun, Tianyu Zhan, Yue Zhu, Jingheng Ning, Liubin Song. Preparation of Dibutyl Oxalate: Improvement of Esterification Reaction[J]. University Chemistry, ;2023, 38(12): 250-256. doi: 10.3866/PKU.DXHX202304068 shu

Preparation of Dibutyl Oxalate: Improvement of Esterification Reaction

School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, China

Corresponding author: Jingheng Ning, Liubin Song,
Received Date: 18 April 2023

The conventional approach to preparing esters, as described in textbooks, involves the dehydration of carboxylic acids and alcohols, typically catalyzed by concentrated sulfuric acid. In this study, we present an innovative method that capitalizes on the self-catalytic properties of oxalic acid, enabling esterification without the need for any additional catalyst, particularly concentrated sulfuric acid. This improved reaction shows numerous advantages, including milder reaction conditions, shorter reaction times, straightforward post-treatment, and excellent reproducibility. Compared to the use of concentrated sulfuric acid as a catalyst, as outlined in standard textbooks, this enhanced experiment promotes greener, safer, and more cost-effective practices, instilling in students the principles of green chemistry, safety consciousness, environmental responsibility, and social awareness.
- Oxalic acid,
- Normal butanol,
- Autocatalytic esterification,
- Water separator,
- Water-carrying agent
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