Computer Science
Scientific paper
Dec 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989gecoa..53.3317p&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 53, Issue 12, pp.3317-3322
Computer Science
Scientific paper
A series of 5- n -alkyl-2-(3,7,11-trimethyldodecyl)-3-methylthiophenes (C 21 -C 26 ), which possess a linearly extended phytane skeleton, have been identified in a number of bitumens and oils. The carbon skeletons of the C 24 -C 26 members of this series are unusual since they comprise an isoprenoid and a linear part. This series of compounds, and a related series of 2- n -alkyl-5-(3,7,11,15-tetramethylhexadecyl) thiophenes, is probably formed by abiogenic sulphur incorporation into functionalised precursor lipids with similar carbon skeletons, possibly biosynthesised by halophilic archaebacteria.
de Leeuw Jan W.
Peakman Torren M.
Sinninghe Damst'e Jaap S.
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