0
Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Food & Water Sign in to save

Efficient One‐Step Synthesis of Lactide with High Yield and Selectivity Using Brønsted Acid Catalysis

ChemSusChem 2025 1 citation ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Wenqi Qiu, Yukang Liu, Yufei Zhang, Xiaotao Wang, Yuxia Guo, Hui Liu, Canbin Ouyang, Zongxia Guo, Yingjie Zhao

Summary

Despite its title referencing lactide synthesis, this paper studies a one-step chemical process for producing lactide (a precursor to biodegradable PLA plastic) using an acid catalyst — not microplastic pollution. It examines reaction chemistry and yield optimization, and is not relevant to microplastics or human health.

In this work, a one-step method synthesis of lactide is reported instead of the traditional two-step method. The selection of a suitable acid catalyst polyphosphoric acid and optimization of reaction conditions result in a yield of 97%. Moreover, this new one-step strategy eliminates the need for metal catalysts and does not require high-temperature conditions, thereby avoiding the issue of racemization. The simple one-step strategy offers a combination of efficiency, sustainability, and product quality improvements, making it a modern, practical approach to lactide synthesis.

Share this paper