Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

The Structure of a New C25 Isoprenoid Alkene Biomarker From Diatomaceous Microbial Communities

RE Summons, RA Barrow, RJ Capon, JM Hope and C Stranger

Australian Journal of Chemistry 46(6) 907 - 915
Published: 1993

Abstract

A new C25 highly branched alkadiene (5) has been isolated from the diatomaceous benthic microbial communities of Hamelin Pool, Western Australia. The structure (5) was determined by detailed n.m.r. and mass spectral analysis, as well as by chemical degradation. Carbon isotopic measurements on this and related isoprenoids were consistent with an origin from diatoms. The role of (5) and related metabolites as biological marker compounds is discussed.

https://doi.org/10.1071/CH9930907

© CSIRO 1993


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