The chirality product is the important medicine midbody, which has an important application foreground.

所得到的手性产物为重要的医药中间体，具有重要的应用前景。

Lactide is the midbody for the preparation of poly(lactic acid), the ratio of lactic acid to lactide is low and hamper the extensive application of PLA.

丙交酯是由乳酸制备聚乳酸的中间体,其产率偏低是制约聚乳酸大规模应用的关键。