A novel marine steroidal sulfate from the starfish Luidia ludwigi

被引：15

作者：

Roccatagliata, AJ ^{[1
]}

Maier, MS ^{[1
]}

Seldes, AM ^{[1
]}

机构：

[1] UNIV BUENOS AIRES,FAC CIENCIAS EXACTAS & NAT,DEPT QUIM ORGAN,RA-1428 BUENOS AIRES,DF,ARGENTINA

来源：

JOURNAL OF NATURAL PRODUCTS | 1995年 / 58卷 / 12期

关键词：

D O I：

10.1021/np50126a024

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A new steroid, 5 alpha-cholestane-3 beta,5,6 beta,15 alpha,26-pentol 26-sulfate [3], has been isolated from the starfish Luidia ludwigi. This compound co-occurs with two known asterosaponins, acanthaglycosides B and C, and two polyhydroxysteroids [1 and 2], isolated previously from the starfish Myxoderma platyacanthum. The structure of the new metabolite was determined from spectral data (H-1- and C-13-nmr and fabms)and chemical transformations. The configuration of C-25 was determined by correlating H-1-nmr data of chiral esters of 3 with those of related steroids.

引用

页码：1941 / 1944

页数：4

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