Triterpene glycosides from the Far Eastern sea cucumber Pentamera calcigera II:: Disulfated glycosides

被引：26

作者：

Avilov, SA ^{[1
]}

Antonov, AS

Drozdova, OA

Kalinin, VI

Kalinovsky, AI

Riguera, R

Lenis, LA

Jiménez, C

机构：

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

[2] Univ Santiago de Compostela, Inst Acuicultura, Santiago De Compostela 15706, Spain

[3] Univ Santiago de Compostela, Dept Quim, Santiago De Compostela 15706, Spain

[4] Univ A Coruna, Fac Ciencias, Dept Quim Fundamental & Ind, La Coruna 15071, Spain

来源：

JOURNAL OF NATURAL PRODUCTS | 2000年 / 63卷 / 10期

关键词：

D O I：

10.1021/np000002x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Three new triterpene glycosides, calcigerosides D-1 (1), D-2 (2), nd E (3), have been isolated from the sea cucumber Pentamera calcigera. Their structures have been deduced from extensive spectral analysis (NMR and MS) and chemical evidence. All the compounds are disulfated pentaosides differing in aglycon structure and position of sulfate group, which were determined by the measurement of NT1 values in the cases of glycosides 1 and 2. Glycoside 1 is a nonholostane derivative, that is, it lacks an 18(20)-lactone, which is very rare among the sea cucumber glycosides.

引用

页码：1349 / 1355

页数：7

共 9 条

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Kalinin, VI ;

Kalinovsky, AI ;

Stonik, VA ;

Riguera, R ;

Lenis, LA ;

Jiménez, C .

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