Glycosides from the sea cucumber Cucumaria frondosa.: III.: Structure of frondosides A2-1, A2-2, A2-3, and A2-6, four new minor monosulfated triterpene glycosides

被引：21

作者：

Silchenko, AS

Avilov, SA

Antonov, AS

Kalinovsky, AI

Dmitrenok, PS

Kalinin, VI ^{[1
]}

Stonik, VA

Woodward, C

Collin, PD

机构：

[1] Russian Acad Sci, Pacific Inst Bioorgan Chem, Far E Div, Vladivostok 690022, Russia

[2] Coastside Bio Resources Inc, Stonington, ME 04681 USA

来源：

CANADIAN JOURNAL OF CHEMISTRY | 2005年 / 83卷 / 01期

关键词：

Cucumaria frondosa; sea cucumbers; frondosides; triterpene glycosides;

D O I：

10.1139/V04-163

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Frondosides A(2)-1 (1), A(2)-2 (2), A(2)-3 (3), and A(2)-6 (4) are new monosulfated holostane pentaosides isolated from the sea cucumber Cucumaria frondosa. Their structures have been elucidated on the basis of spectral data (2D NMR and MS). Frondoside A(2)-2 (2) contains an alpha,beta-unsaturated ketone fragment in the side chain of the aglycon, unique for triterpene glycosides of sea cucumbers.

引用

页码：21 / 27

页数：7

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