POLYHYDROXYLATED STEROIDAL GLYCOSIDES FROM THE STARFISH ASTERIAS-FORBESI

被引：16

作者：

FINDLAY, JA

HE, ZQ

机构：

[1] Department of Chemistry, University of New Brunswick, Fredericton

来源：

JOURNAL OF NATURAL PRODUCTS | 1991年 / 54卷 / 02期

关键词：

D O I：

10.1021/np50074a013

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Four new polyhydroxylated steroid glycosides have been isolated from the starfish Asterias forbesi, and their structures have been determined by spectroscopic means to be as follows: forbeside I, (24S)-3-O-(2,4-di-O-methyl-beta-D-xylopyranosyl)-5-alpha-cholesta-3-beta,4-beta,6-beta,8,15-alpha,24-hexaol {3}; forbeside J, (24S)-3-O-(2,4-di-O-methyl-beta-D-xylopyranosyl)-24-O-alpha-L-arabinofuranosyl-5-alpha-cholesta-3-beta,4-beta,6-beta,8,15-alpha,24-hexaol {1}; forbeside K, (24Z)-3-O-(2-O-methyl-beta-D-xylopyranosyl)-27-O-alpha-L-arabinofuranosyl-24-methyl-5-alpha-cholest-24-ene-3-beta,4-beta,6-beta,8,15-alpha,27-hexaol {4}; and forbeside L, 3-O-(2-O-methyl-beta-D-xylopyranosyl)-24-ethyl-5-alpha-cholest-4-ene-3-beta,6-beta,8,15-alpha,16-beta,26-hexaol {5}.

引用

页码：428 / 435

页数：8

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