In the second part, we study the synthesis methods of typical phenylpropanoic acid derivatives and salvianic acid A, and try to use baker yeast as a chiral reducing agent to get chiral salvianic acid A.

• 本文第二部分着重对一些丹参素类化合物及其衍生物的合成方法进行研究。 一方面,设想利用面包酵母还原得到手性的丹参素衍生物;