摘要
Four new isoflavanones with isoprenoid units,named triquetrumones E-H(1-4),were isolated from the whole plants of Tadehagi triquetrum.The structures were elucidated on the basis of spectroscopic analyses,including application of MS,UV,IR,1D and 2D NMR spectroscopic techniques.
基金
The authors are grateful to National Basic Research Program of China(973 Program 2009CB522300)
the Chinese Academy of Science(KSCX2-EW-R-15)for financial support and to the members of the analytical group in the State Key Laboratory of Phytochemistry and Plant Resources in West China,Kunming Institute of Botany,Chinese Academy of Sciences,for the spectral measurements.
