2-methylretene in sedimentary material: a new higher plant biomarker

被引：43

作者：

Bastow, TP ^{[1
]}

Singh, RK ^{[1
]}

van Aarssen, BGK ^{[1
]}

Alexander, R ^{[1
]}

Kagi, RI ^{[1
]}

机构：

[1] Curtin Univ Technol, Australian Petr CRC, Ctr Petr & Environm Organ Chem, Perth, WA 6845, Australia

来源：

ORGANIC GEOCHEMISTRY | 2001年 / 32卷 / 10期

关键词：

2-methylretene; 1,2-dimethyl-7-isopropylphenanthrene; retene; simonellite; aromatisation; alkylphenanthrene biomarkers; abietane; phyllocladane; diterpenoid;

D O I：

10.1016/S0146-6380(01)00085-7

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：

2-Methylretene has been synthesised, characterised and identified in sedimentary material from a range of locations, source types and ages. 2-Methylretene was observed only in samples of Permian to Tertiary age and can be associated with specific higher plant precursors that also yield retene. Laboratory dehydrogenation of simonellite yielded 2-methylretene as the major product. Based on this we suggest that 2-methylretene forms from the aromatisation of diterpenoid type natural products with the abietane and phyllocladane skeletons, similar to those that form simonellite and suggest it can be used as a biomarker for higher plant input. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：1211 / 1217

页数：7

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