Lactide is enantiomeric, and depolymerization of poly(lactic acid) (PLA) with mixed chirality typically produces a racemic mixture. Here, the authors use a chiral Aluminium catalyst for the stereoselective depolymerization of PLLA and PDLA towards chiral lactide with high optical purity.
- Rulin Yang
- Guangqiang Xu
- Qinggang Wang