Two new 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298

  • S. Choudhry
  • S. Halos
  • D. Krischenowski
  • G. Schmeda-Hirschmann
Research Papers


Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The structures were established by spectroscopic methods.

Key words

Biotransformation 17 α-hydroxyprogesterone Nocardia 


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Copyright information

© Rapid Communications of Oxford Ltd 1993

Authors and Affiliations

  • S. Choudhry
    • 1
  • S. Halos
    • 2
  • D. Krischenowski
    • 3
  • G. Schmeda-Hirschmann
    • 4
  1. 1.Centre for Advanced Molecular BiologyUniversity of the PunjabLahorePakistan
  2. 2.Natural Sciences Research InstituteUniversity of the PhilippinesQuezon CityPhilippines
  3. 3.GBF, Mikrobielle StoffumwandlungBraunschweigGermany
  4. 4.Universidad de Talca, Departmento Ciencias BiológicasTalcaChile

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