Preparation of L-Lactide with High Optical Purity via the Zinc-Doped Polypyrrole-Catalyzed Lactic Acid Condensation
Xudong Cui, Xiangkun Meng, Ying Chen, Yonghong Liu, Lei Yu
Chinese Journal of Organic Chemistry . 2022, (9): 2954 -2960 .  DOI: 10.6023/cjoc202204045