Three new xanthones from the roots of Polygala japonica Houtt.
Titel:
Three new xanthones from the roots of Polygala japonica Houtt.
Auteur:
Fu, Jing Zhang, Dong-Ming Chen, Ruo-Yun
Verschenen in:
Journal of Asian natural products research
Paginering:
Jaargang 8 (2006) nr. 1-2 pagina's 41-46
Jaar:
2006-01
Inhoud:
Three new xanthones, 3, 6-dihydroxy-1, 2, 7-trimethoxyxanthone (2), 3, 7-dihydroxy- 1, 2-dimethoxyxanthone (4) and 1, 2, 7-trihydroxy-3-methoxyxanthone (9), together with seven known compounds were isolated from the roots of Polygala japonica Houtt. Their structures were determined on the basis of spectroscopic data.