the Natural Science Foundation of China(81225024,31170334,21072198);the National Basic Research Program of China(973 Program 2009CB522300)。
Three new diterpenoids,including two halimanes,5(10),13E-halimadiene-3α,15-diol(1),and 5(10),14-halimadiene-3α,13ξ-diol(2),one labdane,12-(3-methyl-furan)-labd-8(17)-en-19-oic acid(3),together with sixteen known co...
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.
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 app...