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Tetracyclic triterpenes. Part 5. The synthesis of epimeric 9,11-epoxides in the tri-, hexa-, and octa-norlanostane series

Tetrazyklische Triterpene. 5. Mitt. Synthese von epimeren 9,11-Epoxiden in der Tri-, Hexa-, und Octa-Norlanostan-Reihe (Kurze Mitteilung)

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  • Organische Chemie und Biochemie
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Abstract

Lanosterol was converted by degradation of the side chain followed by transformations within rings B and C into a series of 9,11-epoxy-7-oxo-4,4,14α-trimethylsteroids.

Zusammenfassung

Lanosterin wurde durch Abbau der Seitenkette und nachfolgende Transformationen innerhalb der Ringe B und C in die 9,11-Epoxy-7-oxo-4,4,14α-trimethylsteroidreihe umgewandelt.

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References

  1. Paryzek, Z., J. Chem. Soc. Perkin I1979, 1222.

  2. Cavalla, J. F., McGhie, J. F., J. Chem. Soc.1951, 744.

  3. Briggs, L. H., Bartley, J. P., Rutledge, P. S., J. Chem. Soc. Perkin I1972, 581.

  4. Lassak, E. V., Pinhey, J. T., Simes, J. J. H., Australian J. Chem.26, 1051 (1973).

    Google Scholar 

  5. Elks, J., Evans, R. M., Long, A. G., Thomas, G. H., J. Chem. Soc.1954, 451.

  6. Paryzek, Z., J. Chem. Soc. Perkin I1978, 329.

  7. Narula, A. S., Dev, S., Tetrahedron27, 1119 (1971).

    Google Scholar 

  8. Kreiser, W., Urlich, W., Ann.1976, 1199.

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Authors and Affiliations

  1. Institute of Chemistry, A. Mickiewicz University, 60-780, Poznań, Poland

    Zdzisław Paryzek & Roman Wydra

Authors
  1. Zdzisław Paryzek
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  2. Roman Wydra
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Additional information

Part IV.Paryzek, Z., Wydra, R., Bull. Acad. Polon. Sci., Ser. sci. chim.26, 591 (1978).

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Paryzek, Z., Wydra, R. Tetracyclic triterpenes. Part 5. The synthesis of epimeric 9,11-epoxides in the tri-, hexa-, and octa-norlanostane series. Monatshefte für Chemie 111, 1427–1431 (1980). https://doi.org/10.1007/BF00903668

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  • DOI: https://doi.org/10.1007/BF00903668

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