Two xanthones from Polygala tenuifolia
1991
Ikeya, Y. | Sugama, K. | Okada, M. | Mitsuhashi, H.
Two new xanthones, onjixanthones I and II, and four known xanthones, 1,6-dihydroxy-3,7-dimethoxyxanthone, 1,7-dihydroxy-3-methoxyxanthone, 1,6-dihydroxy-3,5,7-trimethoxyxanthone and 1-hydroxy-3,6,7-trimethoxyxanthone were isolated from roots of Polygala tenuifolia. The structures of these xanthones were established on the basis of chemical studies and spectral evidence including 2D NMR and NOE studies.
Показать больше [+] Меньше [-]Ключевые слова АГРОВОК
Библиографическая информация
Эту запись предоставил National Agricultural Library