A tetranortriterpenoid, named munronin G, was isolated from Munronia delavayi （Meliaceae） by chromatography. Its structure was determined on the basis of 1D-, 2D-NMR and mass spectral analyses.
基金Project supported by the National Natural Science Foundation of China （No. 30370160）.Acknowledgements The authors are grateful to Mr. Xie Li-Shan （Kunming Institute of Botany, the Chinese Academy of Sciences） for collection and identification of the specimens, and members of the analytical group of the State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, for the spectral measurements.
文摘A tetranortriterpenoid, named munronin G, was isolated from Munronia delavayi （Meliaceae） by chromatography. Its structure was determined on the basis of 1D-, 2D-NMR and mass spectral analyses.
