Geosteranes: Identification and synthesis of a novel series of 3-substituted steranes

Organic Geochemistry

Volumn 26, Issue 11-12, 1997, Pages 787-790

  Lopes, José A D ^a   Santos Neto, Eugênio V ^b   Mello, Márcio R ^b   De Reis, Francisco A M ^c  

^a FEDERAL UNIVERSITY OF PIAUÍ   (Brazil)

^b PETROBRAS   (Brazil)

^c UNIVERSITY OF CAMPINAS   (Brazil)

Author keywords

3 alkylsteranes; 3 carboxyalkylsteranes; 5 (H) steranes; 5 (H) steranes; 13C NMR; Alkyls teranes in Brazilian oils; Brazil; Potiguar Basin; Synthesis of 5 (H) and 5 (H) steranes

Indexed keywords

BRAZILIAN OILS; GEOSTERANES; MARINE EVAPORITIC OILS;

CRUDE PETROLEUM; MASS SPECTROMETRY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PARAFFINS; SUBSTITUTION REACTIONS; SYNTHESIS (CHEMICAL);

ANALYTICAL GEOCHEMISTRY;

GEOSTERANE; OIL; STERANE;

BRAZIL, POTIGUAR BASIN;

EID: 0344333485     PISSN: 01466380     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0146-6380(97)00055-7     Document Type: Article

References (14)

1. 13C NMR spectra of steroids - a survey and commentary. Organic Magnetic Resonance 9, 439-464.
2. Dahl, J., Moldowan, J. M., McCaffrey, M. A. and Lipton, P. A. (1992) A new class of natural products revealed by 3β-alkyl steranes in petroleum. Nature 355, 154-157.
3. Dany, F., Riolo, J., Trendel, J.-M. and Albrecht, P. (1990) 3-β-Carboxysteranes, a novel family of fossil steroids. Journal of the Chemical Society, Chemical Communications, 1228-1230.
4. Gallegos, E. J. (1971) Identification of new steranes, terpanes, and branched paraffins in Green River shale by combined capillary gas chromatography and mass spectrometry. Analytical Chemistry 43, 1151-1160.
5. Koike, L., Rebouças, L. M. C., Reis, F. de A. M., Marsaioli, A. J., Richnow, H. H. and Michaelis, W. (1992) Naphthenic acids from crude oils of Campos Basin. Organic Geochemistry 18, 851-860.
6. rd Latin American Congress on Organic Geochemistry, Manaus, Brazil.
7. th Latin American Congress on Organic Geochemistry, Bucaramanga, Colombia.
8. Mello, M. R., Gaglionone, P. C., Brassel, S. C. and Maxwell, J. R. (1988) Geochemical and biological marker assessment of depositional environment using Brazilian offshore oils. Marine and Petroleum Geology 5, 204-223.
9. Schaeffer, P., Dany, F., Trendel, J. M. and Albrecht, P. (1993) Polar constituents of organic matter rich marls from evaporitic series of the Mulhouse basin. Organic Geochemistry 20, 1227-1236.
10. Schaeffer, P., Dany, F., Trfilieff, S., Trendel, J. M. and Albrecht, P. (1994) Characterization of novel 3-carbox-yalkyl-steranes occurring in geological samples. Tetrahedron 44, 12633-12642.
11. Summons, R. E. and Capon, R. J. (1988) Fossil steranes with unprecedented methylation in ring A. Geochimica et Cosmochimica Acta 52, 2733-2736.
12. Summons, R. E. and Capon, R. J. (1991) Identification and significance of 3β-ethyl steranes in sediments and petroleum. Geochimica et Cosmochimica Acta 55, 2391-2395.
13. Summons, R. E., Powell, T. G. and Boreham, C. J. (1988) Petroleum geology and geochemistry of the Middle Proterozoic McArthur Basin, northern Australia: III. Composition of extractable hydrocarbons. Geochimica et Cosmochimica Acta 52, 1747-1763.
14. Tökés, L., Jones, G. and Djerassi, C. (1968) Mass spectrometry in structural and stereochemical problems CLXI. Elucidation of the characteristic ring D fragmentation of steroids. Journal of the American Chemical Society 90, 5465-5477.