Novel triterpene-derived hydrocarbons of the arborane/fernane series in sediments: Part II
Two ring-B aromatized triterpenes related to the arborane/fernane series were isolated from an Italian Triassic black shale ( 4 and 7) and a French Jurassic laminated bituminous limestone (7). They were identified by MS and NMR spectroscopy. These compounds, 25-norferna-5,7,9-triene 7 (C 29) and 22,...
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Veröffentlicht in: | Geochimica et cosmochimica acta 1992-09, Vol.56 (9), p.3595-3602 |
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