桂火绳中化学成分的研究

从梧桐科火绳属桂火绳中提取分离到22个化合物,经结构鉴定为:羽扇豆醇(1),白桦脂酸(2),齐墩果酸(3),丁香脂素(4),(+)-异落叶松树脂醇(5),东莨菪内酯(6),对羟基肉桂酸(7),二十七碳酸单甘油酯(8),2-十八烯酸单甘油酯(9),sitoindosideⅡ(10),儿茶素(11),表儿茶素(12),表儿茶素3-O-β-D-吡喃木糖甙(13),山奈酚3-O-β-D-吡喃葡萄糖甙(14),5,7,4'-三羟基异黄酮(15),4'-O-methylgallocatechin(16),反式-二氢槲皮素-3-O-α-阿拉伯糖甙(17),顺式-二氢槲皮素-3-O-α-阿拉伯糖甙(18),反式-二氢槲皮素-3-O-β-吡喃葡萄糖甙(19),3,5,7,3',5'-五羟基-4'-甲氧基异黄酮(20),山奈酚-3-O-β-D-吡喃葡萄糖(6→1)-α-L-吡喃鼠李糖甙(21),以及槲皮素3-O-β-D-吡喃葡萄糖(6→1)-β-D-吡喃葡萄糖甙(22),这些化学成分首次从该属植物中分离出来。

Chemical Constituents of Eriolaena kwangsiensis Hand.-Mazz.

Twenty-two compounds were isolated from Erilaena kwangsiensis,and their structures were identified as:lupenol(1),betulinic acids(2),oleanolic acid(3),syringaresinol(4),(+)-isolariciresinol(5),scopoletin(6),p-Hydroxy-cinnamic acid(7),heptacosanoic acid 1-glyceryl ester(8),2-monoolein(9),sitoindosideⅡ(10),catechin(11),epicatechin(12),epicatechin 3-O-β-D-xyloside(13),kaempferol 3-O-β-D-glucopyranoside(14),genistein(15),4′-O-methylgallocatechin(16),taxifolin 3-O-α-arabinoside(17),cis-taxifolin-3-O-α-arabinoside(18),taxifolin 3-O-β-glucopyranoside(19),4′-methoxy-3,5,7,3′,5′-pentahydroxyisoflavone(20),kaempferol 3-O-β-D-glucopyranoside(6→1)-α-L-rhamnoside(21),and quercetin 3-O-β-D-glucopyranoside(6→1)-β-D-glucopyranoside(22).All these compounds were natural product,they were obtained from Erilaena kwangsiensis for the first time.