RASPACIONIN-B, A FURTHER TRITERPENOID FROM THE MEDITERRANEAN SPONGE RASPACIONA-ACULEATA

被引：20

作者：

CIMINO, G

CRISPINO, A

MADAIO, A

TRIVELLONE, E

URIZ, M

机构：

[1] CNR,IST CHIM MOL INTERESSE BIOL,VIA TOIANO 6,I-80072 ARCO,ITALY

[2] CTR ESTUDIOS AVANZADOS,CAMI SANTA BARBARA,E-17300 BLANES,SPAIN

来源：

JOURNAL OF NATURAL PRODUCTS | 1993年 / 56卷 / 04期

关键词：

D O I：

10.1021/np50094a013

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A new triterpenoid, raspacionin B [4], has been isolated from the Mediterranean sponge Raspaciona aculeata. The structure and relative stereochemistry of 4 were elucidated by means of spectral methods, mainly ID and 2D nmr. The absolute stereochemistry was proposed by comparison of its cd curve with those of related compounds. The triterpenoid skeleton of raspacionin B, characterized by the presence of a cyclopropane ring, is related to those of terpenoids co-occurring in the same sponge.

引用

页码：534 / 538

页数：5

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