从小远志中分离黄酮醇和口山酮衍生物(英文)

Flavonol and Xanthone Derivatives from Polygala sibirica L.var megalopha Fr.

从小远志中分离出了9种化合物:①1,3二羟基5,6,7三甲氧基口山酮,②1,7二羟基2,3二甲氧基口山酮,③1,3,6,8四羟基2,7二甲氧基口山酮,④1,6,7三羟基2,3二甲氧基口山酮,⑤5羟基7,4二甲氧基黄酮3 OβD吡喃葡萄糖苷,⑥5,3二羟基7,4二甲氧基黄酮3 O[αL鼠李糖苷(1→6)]βD吡喃葡萄糖苷,⑦5,3二羟基7,4二甲氧基黄酮3 OβD吡喃葡萄糖苷,⑧水杨酸和⑨远志醇,其中化合物①为新化合物.所有化合物的结构经其化学性质和光谱数据证实.

From Polygala sibirica L. var. megalopha Fr. , 9 compounds including a new one （1） were isolated and identified as： ①1, 3-dihydroxy-5, 6, 7-trimethoxyxanthone, ②1, 7-dihydroxy-2, 3-dimethoxyxanthone, ③1, 3, 6, 8-tetrahydroxy-2, 7-dimethoxyxanthone, ④ 1, 6, 7-trihydroxy-2, 3-dimethoxyxanthone, ⑤ 5-hydroxy-7, 4＇-dimethoxy-flavone-3-O-β-D-glucopyranoside, ⑥ 5, 3＇-dihydroxy-7, 4＇-dimethoxyflavone-3-O-[a-L-rhamnosy （→6）] -β-D-gluco-pyranoside, ⑦ 5, 3＇-dihy-droxy-7, 4＇-dimethoxyflavone-3-O-β-D-glucopyranoside, ⑧ salicylic acid, ⑨ and polygalitol. Their structures were determined by analysis of their spectroscopic data and chemical properties.