7,11-cyclobotryococca-5,12,26-triene, a novel botryococcene-related hydrocarbon occurring in natural environments

被引：11

作者：

Behrens, A

Schaeffer, P

Bernasconi, S

Albrecht, P ^{[1
]}

机构：

[1] Univ Strasbourg 1, Inst Chim, Lab Geochim Organ, CNRS,UMR 7509, F-67000 Strasbourg, France

[2] ETH Zentrum, Inst Geol, CH-8092 Zurich, Switzerland

来源：

ORGANIC LETTERS | 2000年 / 2卷 / 09期

关键词：

D O I：

10.1021/ol0056980

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

With the unambiguous structural characterization of 7,11-cyclobotryococca-5,12,26-triene 1 by NMR, a novel C-30 botryococcene-related hydrocarbon skeleton bearing a midchain five-membered ring has been identified in organic-rich sediments from Lake Cadagno (Switzerland), This compound may originate from the green alga Botryococcus braunii (race B) widespread in recent and past environments. Alternatively, it may also be a yet unreported lipid of green sulfur photosynthetic bacteria (Chlorobiaceae) or a microbial transformation product of the farnesol produced by the latter.

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收藏

页码：1271 / 1274

页数：4

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