Abstract
Hills and Whitehead have investigated the optically active components of Nigerian, Libyan, Kuwaitian and Iranian crude oils1,2. The enriched optically active fractions from these sources have been found to contain pentacyclic triterpanes and, furthermore, they seem to be made up essentially of the same components, although in varying proportions. We have found that these generalizations also seem to be true for the optically active material from a Texas petroleum.
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References
Hills, I. R., and Whitehead, E. V., Nature, 209, 977 (1966).
Hills, I. R., and Whitehead, E. V., Proc. Third Intern. Meeting on Geochem., London, September, 1966 (in the press).
Louis, M., CR Acad. Sci., 256, 5610 (1963).
Louis, M., Rev. Inst. Franç. Pétrole, 19, 277 (1964).
Budzikiewicz, H., Wilson, J. M., and Djerassi, K., J. Amer. Chem. Soc., 85, 3688 (1963).
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DANIELI, N., GIL-AV, E. & LOUIS, M. Composition of the Optically Active Fraction of a Texas Petroleum. Nature 217, 730–731 (1968). https://doi.org/10.1038/217730a0
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DOI: https://doi.org/10.1038/217730a0
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