Two New Xanthones from Polygala crotalarioides  

作　　者：ShiMingDENG YouXingZHAO YuQingLIU JunZHOU 

机构地区：[1]StateKeyLaboratoryofPhytochemistryandPlantResourcesinWestChina,KunmingInstituteofBotany,AcademiaSinica,Kunming650204 [2]StateKeyLaboratoryofPhytochemistryandPlantResourcesinWestChina,KunmingInstituteofBotany,AcademiaSinica,Kunming650204／／CollegeofScienceandEngineering,HainanUniversity,Haikou570228

出　　处：《Chinese Chemical Letters》2005年第5期623-624,共2页中国化学快报（英文版）

摘　　要：Two new xanthones, 1, 6, 8-trihydroxy-2, 3-methylenedioxyxanthone 1 and 1, 4-di- hydroxy-6, 7-methylenedioxyxanthone 2, were isolated from the roots of Polygala crotalarioides. Their structures were elucidated by spectroscopic and chemical methods.

关 键 词：olygala crotalarioides POLYGALACEAE xanthones. 

分 类 号：Q949.753.3[生物学—植物学] R977.15[医药卫生—药品]