Configurations of polyunsaturated sesterterpenoids from the diatom, Haslea ostrearia

被引：12

作者：

Johns, L

Belt, S

Lewis, CA

Rowland, S

Massé, G

Robert, JM

König, WA

机构：

[1] Univ Plymouth, Dept Environm Sci, Petr & Environm Geochem Grp, Plymouth PL4 8AA, Devon, England

[2] Univ Nantes, Fac Sci & Tech, ISO Mer, F-44072 Nantes 3, France

[3] Univ Hamburg, Inst Organ Chem, D-20146 Hamburg, Germany

来源：

PHYTOCHEMISTRY | 2000年 / 53卷 / 05期

基金：

英国自然环境研究理事会;

关键词：

Haslea ostrearia; Bacillariophyceae; microalgae; diatoms; isoprenoid alkenes; highly branched isoprenoids C-25 alkenes; configuration; stereochemistry;

D O I：

10.1016/S0031-9422(99)00571-3

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The partial configurations of C-25 isoprenoid alkenes isolated from the diatom Haslea ostrearia Gaillon (Simonsen) have been established. A combination of NMR spectroscopy studies of the alkenes with chiral shift reagents in conjunction with soluble silver beta-diketonate complexes and enantioselective gas chromatography of oxidation products of the alkenes was used. Unexpected differences in highly branched isoprenoid isomer configurations were observed between different laboratory cultures of the alga. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：607 / 611

页数：5

共 12 条

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