Two new compounds named decuroside VI(1) and decursidate (2) were isolated from the roots of Peucedanum decursivum - a traditional Chinese medicine. Their structures were elucidated on the basis of chemical evidence a...Two new compounds named decuroside VI(1) and decursidate (2) were isolated from the roots of Peucedanum decursivum - a traditional Chinese medicine. Their structures were elucidated on the basis of chemical evidence and spectral analysis.展开更多
Four new Coumarins named Decursitin B, C, D. F have been isolated from traditional Chinese medicine - the root of Peacedanum decursivum. Their structures were elucidated by chemical evidences and spectral analysis.
用分子电距矢量(MEDV)对紫花前胡挥发油的62种组分在GCMS中的保留时间进行了定量构效关系的研究。通过多元线性回归,得到的相关系数R=0 958。用逐步回归的方法筛选7个变量进行建模,相关系数R=0 957,再用留一法(Leave one out,LOO)交互...用分子电距矢量(MEDV)对紫花前胡挥发油的62种组分在GCMS中的保留时间进行了定量构效关系的研究。通过多元线性回归,得到的相关系数R=0 958。用逐步回归的方法筛选7个变量进行建模,相关系数R=0 957,再用留一法(Leave one out,LOO)交互检验对模型进行评价,得到的相关系数RCV=0 933。所以此模型具有较好的稳定性和预测能力。展开更多
基金youth science and technology foundation of Jiangsu Province, China
文摘Two new compounds named decuroside VI(1) and decursidate (2) were isolated from the roots of Peucedanum decursivum - a traditional Chinese medicine. Their structures were elucidated on the basis of chemical evidence and spectral analysis.
文摘Four new Coumarins named Decursitin B, C, D. F have been isolated from traditional Chinese medicine - the root of Peacedanum decursivum. Their structures were elucidated by chemical evidences and spectral analysis.