Abstract
A new compound, methyl 3-(4′-hydroxyphenethylamino)-1,4-dihydro-1,4-dioxonaphthalene-2-carboxylate (1) was isolated from Chirita eburnea. Its structure was elucidated on the basis of 1D NMR, 2D NMR and MS analysis.
Acknowledgements
The authors are grateful to the National Natural Science Foundation of China (Project No. 30370160), Yunnan Committee of Science and Technology (Project No. 2000YP23) and The Chinese Academy of Sciences (XiBuZhiGuang Project) for financial support, and members of the analytical group in the State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, for the spectral measurements.