the National Natural Science Foundation of China (No. 20472073);the Natural Science Foundation of Zhejiang Province (No. Y404357)
The title compound, (1α,6β, 11β,14α)-1,7:6,20-diepoxy-6,1 1-dihydroxy- 6,7-secoent- kaur- 16-ene-7,15-dione- 14-acetate (macrocalyxin J), is a diterpenoid which was isolated from the leaves of Rabdosia macroc...
On the basis of the investigation on natural product antitumor agents,a new diterpenoid named macrocalyxin J was isolated from the leaves of Rabdosia macrocalyx(Dunn) Hara by silica gel column chromatography.Based o...
Project (Nos. 20375036 and 20472073) supported by the NationalNatural Science Foundation of China
1H-NMR and 13C-NMR assignments of 12-oleanene-3,11-dione (compound 1) were completely described for the first time through conventional 1D NMR and 2D shift-correlated NMR experiments using 1H-1HCOSY, HMQC, HMBC techni...