BROMINATED ACETYLENIC FATTY-ACIDS FROM XESTOSPONGIA SP, A MARINE SPONGE-BACTERIA ASSOCIATION

被引：55

作者：

BRANTLEY, SE

MOLINSKI, TF

PRESTON, CM

DELONG, EF

机构：

[1] UNIV CALIF DAVIS,DEPT CHEM,DAVIS,CA 95616

[2] UNIV CALIF SANTA BARBARA,INST MARINE SCI,SANTA BARBARA,CA 93106

来源：

TETRAHEDRON | 1995年 / 51卷 / 28期

基金：

美国国家科学基金会; 美国国家卫生研究院; 美国海洋和大气管理局;

关键词：

D O I：

10.1016/0040-4020(95)00405-W

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Three new brominated fatty acids, (5E, 11E, 15E, 19E)-20-bromoeicosa-5, 11, 15, 19-tetraene-9, 17-diynoic acid (1), (5Z, 11E, 15E, 19E)-6, 20-dibromoeicosa-5, 11, 15, 19-tetraene-9, 17-diynoic acid (2) and (Z E)-14, 14-dibromo-4, 6, 13-tetradecatrienoate, characterized as the methyl ester, 3, were isolated from Xestospongia sp. from the Indian Ocean. Compounds 1 -2 (C-20) and 3 (C-14) are brominated fatty acids of unusual carbon number that have not been encountered previously in marine invertebrates. Xestospongia sp. is an association of sponge cells and bacteria, the latter accounting for ca. 50% of cellular mass.

引用

收藏

页码：7667 / 7672

页数：6

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