Isolation and structures of erylosides from the carribean sponge Erylus goffrilleri

被引：24

作者：

Afiyatullov, Shamil Sh. ^{[1
]}

Kalinovsky, Anatoly I. ^{[1
]}

Antonov, Alexandr S. ^{[1
]}

Ponomarenko, Ludmila P. ^{[1
]}

Dmitrenok, Pavel S. ^{[1
]}

Aminin, Dmitry L. ^{[1
]}

Krasokhin, Vladimir B. ^{[1
]}

Nosova, Valentina M. ^{[2
]}

Kisin, Alexandr V. ^{[2
]}

机构：

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

[2] State Res Inst Chem & Technol Organelement Cpds, Moscow, Russia

来源：

JOURNAL OF NATURAL PRODUCTS | 2007年 / 70卷 / 12期

关键词：

D O I：

10.1021/np070319y

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Eight new triterpene glycosides, erylosides R (1), S (2), T (3), U (4), F-5-F-7 (5-7), and V (8), were isolated from the sponge Erylus goffrilleri collected near Arresife-Seko Reef (Cuba). Structures of 1 and 2 were determined as the corresponding monosides having aglycons related to penasterol with additional oxidation and methylation patterns in their side chains. Eryloside T (3) was structurally identified as the Delta(7)-isomer of 1, containing an unusual (14 -> 9)-lactone ring in the tetracyclic aglycon moiety, and eryloside U (4) was shown to be the 7,8-epoxide of 3. Erylosides F-5-F-7 (5-7) and V (8) contain new variants of carbohydrate chains with two (5-7) and three (8) sugar units, respectively.

引用

页码：1871 / 1877

页数：7

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