OCCURRENCE OF 2 NOVEL BENZOTHIOPHENE HOPANOID FAMILIES IN SEDIMENTS

被引：23

作者：

VANKAAMPETERS, HME

KOSTER, J

DELEEUW, JW

DAMSTE, JSS

机构：

[1] Netherlands Institute for Sea Research (NIOZ), Department of Marine Biogeochemistry and Toxicology, 1790 AB Den Burg

来源：

ORGANIC GEOCHEMISTRY | 1995年 / 23卷 / 07期

关键词：

AROMATIZATION; BENZOPHANES; BENZOTHIOPHENE HOPANOIDS; HOPANOIDS; ORGANIC SULFUR COMPOUNDS;

D O I：

10.1016/0146-6380(95)00051-F

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Two novel families of C-34-C-35 benzothiophene hopanoids have been identified in laminated marlstones and limestones of Hauptdolomit (Germany, Upper Triassic), Calcaires en Plaquettes (France, Upper Jurassic) and Ghareb(Jordan, Upper Cretaceous) Formations. Structures were assigned on the basis of Raney nickel desulphurization, deuteriated nickel boride desulphurization, mass spectral data and GC behaviour. Based on quantitative analysis, a precursor-product relationship between thiophene hopanoids and benzothiophene hopanoids seems likely. This means that the novel hopanoids are not formed by sulphur incorporation into benzohopanes, but instead cyclization and aromatization of the hopanoid side chain occur after sulphur incorporation.

引用

页码：607 / 616

页数：10

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