Polycyclic aromatic hydrocarbons in Australian coals II. Novel tetracyclic components from Victorian brown coal

Details Polycyclic aromatic hydrocarbons in Australian coals II. Novel tetracyclic components from Victorian brown coal Polycyclic aromatic hydrocarbons in Australian coals II. Novel tetracyclic components from Victorian brown coal

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984gecoa..48.2037c&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 48, Issue 10, pp.2037-2043

Computer Science

Scientific paper

Gas chromatographic-mass spectrometric (GC-MS) analysis of a polycyclic aromatic hydrocarbon (PAH) fraction of a Victoria brown coal sample has revealed the presence of a novel series of tetracyclic triterpenoid derived components. The base peak of their mass spectra, at m/z 169, suggests an 8, 14-seco (C-ring cleaved) structural configuration with the triterpenoid derived A- and B-rings fully aromatized. Photochemically induced or acid-catalyzed processes are seen as two possibilities to account for the diagenetic formation of these compounds.

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