Flavonoid glycosides from Rhazya orientalis

被引：10
|
作者：
Itoh, A
Kumashiro, T
Tanahashi, T [1 ]
Nagakura, N
Nishi, T
机构：
[1] Kobe Pharmaceut Univ, Higashinada Ku, Kobe, Hyogo 6588558, Japan
[2] Nippon Shinyaku Inst Bot Res, Yamashina Ku, Kyoto 6078182, Japan
来源：
JOURNAL OF NATURAL PRODUCTS | 2002年 / 65卷 / 03期
关键词：
D O I：
10.1021/np010518w
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Six new flavonoid glycosides, quercetin 3-O-alpha-L-rhamnopyranosyl(1-->6)-[alpha-L-rhamnopyranosyl(1-->2)]-(4-O-trans-p-coumaroyl)-beta-D-galactopyranoside-7-O-alpha-L-rhanmopyranoside (1), quercetin 3-O-alpha-L-rhamnopyranosyl(1-->6)-[alpha-L-rhamnopyranosyl(1-->2)]-(3-O-trans-p-coumaroyl)-beta-D-galactopyranoside-7-O-alpha-L-rhamnopyranoside (2), isorhamnetin 3-O-alpha-L-rhamnopyranosyl(1-->6)-[alpha-L-rhamnopyranosyl(1-->2)1-(4-O-trans-p-coumaroyl)-beta-D-galactopyranoside-7-O-alpha-L-rhamnopyranoside (3), isorhamnetin 3-O-alpha-L-rhamnopyranosyl(1-->6)-[alpha-L-rhamnopyranosyl(1-->2)1-(3-O-trans-p-coumaroyl)-beta-D-galactopyranoside-7-O-alpha-L-rhamnopyranoside (4), isorhamnetin 3-O-alpha-L-rhamnopyranosyl(1-->6)-[alpha-L-rhamnopyranosyl(1-->2)]-(4-O-cis-p-coumaroyl)-beta-D-galactopyranoside-7-O-alpha-L-rhamnopyranoside (5), and isorhamnetin 3-O-alpha-L-rhamnopyranosyl(1-->6)-[alpha-L-rhamnopyranosyl(1-->2)]-(4-O-trans-feruloyl)-beta-D-galactopyranoside-7-O-alpha-L-rhamnopyranoside (6), were isolated from the dried aerial parts of Rhazya orientalis. The structures of 1-6 were determined by spectroscopic and chemical means.
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收藏
页码：352 / 357
页数：6
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