Pregnane- and furostane-type oligoglycosides from the seeds of Allium tuberosum

被引：37

作者：

Ikeda, T ^{[1
]}

Tsumagari, H ^{[1
]}

Okawa, M ^{[1
]}

Nohara, T ^{[1
]}

机构：

[1] Kumamoto Univ, Fac Med & Pharmaceut Sci, Kumamoto 8620973, Japan

来源：

CHEMICAL & PHARMACEUTICAL BULLETIN | 2004年 / 52卷 / 01期

关键词：

Allium tuberosum; pregnane; steroidal oligoglycoside; furostane; Liliaceae; beta-chacotriose;

D O I：

10.1248/cpb.52.142

中图分类号：

R914 [药物化学];

学科分类号：

100701 [药物化学];

摘要：

Two furostane-type steroidal oligoglycosides (1, 2), together with a new pregnane-type oligoglycoside (3), were obtained from the seeds of Allium tuberosum ROTTLER. On the basis of spectroscopic analysis, the structures of three new oligoglycosides (1-3) were elucidated as 26-O-beta-D-glucopyranosyl-(25R)-3beta22xi,26-trihydroxyl-5alpha-furostane 3-O-beta-chacotrioside, 26-O-beta-D-glucopyranosyl-(25S)-3beta,5beta,6alpha,22xi,26-pentahydroxyl-5beta-furostane 3-O-alpha-L-rhamnopyranosyl-(1-->4)-beta-D-glucopyranoside, and 3-O-alpha-L-rhamnopyranosyl-(1-->4)-beta-D-glucopyranosyl 3beta,5beta,6alpha,16beta-tetrahydroxypregnane 16-(5-O-beta-D-glucopyranoyl-4(S)-methyl-5-hydroxypentanoic acid) ester, respectively.

引用

页码：142 / 145

页数：4

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