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

所得到手性产物为重要间体，具有重要应用前景。

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.

丙交乳酸制备聚乳酸间体,其产率偏低制约聚乳酸大规模应用关键。