IDENTIFICATION AND CHARACTERIZATION OF 2 NEW METHYLICOSADIENOIC ACIDS FROM ERYLUS-FORMOSUS

被引:17
作者
CARBALLEIRA, NM
NEGRON, V
机构
[1] Department of Chemistry, University of Puerto Rico, Rio Piedras
来源
JOURNAL OF NATURAL PRODUCTS | 1991年 / 54卷 / 01期
关键词
D O I
10.1021/np50073a041
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The novel fatty acids 18-methyl-5,9-icosadienoic acid [1] and 19-methyl-5,9-icosadienoic acid [2] were identified in the Caribbean sponge Erylus formosus. Other interesting fatty acids identified were the branched acids 3-methylpentadecanoic acid and 3-methylhexadecanoic acid, which are known to possess larvicidal activity. The most stable conformation of the new acid 19-methyl-5,9-icosadienoic acid is also presented as predicted by Molecular Mechanics (MM2) calculations. The sterol composition of E. formosus is also reported.
引用
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页码:305 / 309
页数:5
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