Terpenoid hydrocarbons in Hula peat: Structure and origins

Details Terpenoid hydrocarbons in Hula peat: Structure and origins Terpenoid hydrocarbons in Hula peat: Structure and origins

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986gecoa..50.1133v&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 50, Issue 6, pp.1133-1139

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Scientific paper

Tri- and tetracyclic diterpenoid and pentacyclic triterpenoid hydrocarbons have been identified in the lipid extracts of three peat samples from the Hula Basin, Israel. Tentative structures for the diterpenoids have been proposed based on mass spectral studies and on extrapolation of known mass spectral fragmentation patterns of most probable biological precursors. The identification of ent-kaurenes in one peat sample appears to be a unique observation. Kaurenes most likely originated from higher plant resins. The triterpenoids in the three samples consist mainly of 17 -hopanes and hopenes, derived from recent biogenic activity. The preponderance of the 17 (H)-hopanes indicates the geological immaturity of the samples and implies that they have undergone only a mild thermal history.

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