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EP0225892A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for the preparation of 4-androstene-3,17-dione and of 1,4-androstadiene-3,17-dione.

Assignee: Bayer Pharma AG
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Filing: 1986-06-02
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Granted: —
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Expires: 2006-06-02
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Abstract

Abstract Translated from German Le procédé de préparation de 4-androstène-3,17-dione et de 1,4-androstadiène-3,17-dione de formule (I) dans laquelle ..... représente une liaison simple ou une double liaison, est caractérisé en ce qu'on fait fermenter l'ergostérol de formule (II) avec une culture d'une souche de mocroorganismes capable de dégrader la chaîne latérale des stérols. The process for the preparation of 4-androstene-3,17-dione and 1,4-androstadiene-3,17-dione of formula (I) in which ..... represents a single bond or a double bond, is characterized in that the ergosterol of formula (II) is fermented with a culture of a strain of microorganisms capable of degrading the side chain of the sterols.

Inventors

  • 👤 Alfred Weber
  • 👤 Mario Kennecke

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 21:30
CPC Classifications
C; C12; C12P; C12P33/00; C12P33/005; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/863; Y10S435/865

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