There are three main parts:First, the study of synthesis of dihydropennogenin.
2
偏诺皂甙元是中药重楼的主要活性成分,其良好的药用价值和稀缺的社会来源受到了有机合成届的关注。
Pennogenin is the main bioactive components of Chonglou, one of Chinese traditional medicine, and its good medicinal value and the scarcity of resource has attracted the organic chemist's attention.