7 alpha-substituted 11 alpha-hydroxysteroids and its microbiological production method
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SCHERING AG
- Publication Date
- 2007-03-07
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
[0001] This application is a divisional application of the invention patent application No. 03817696.3 (PCT / EP2003 / 008111) entitled "Microbiological method for preparing 7α-substituted 11α-hydroxy steroids" filed on July 24, 2003. technical field
[0002] The present invention relates to a microbial process for the preparation of 7α-substituted 11α-hydroxy steroids and to 7α,17α-substituted 11β-halogen steroids which can be prepared therefrom, to a process for the preparation of the latter compounds and to their use as well as to compounds comprising these pharmaceutical preparations. Furthermore, the present invention relates to other 7α-substituted 11β-halogen steroids, namely 7α-substituted estro-1,3,5(10)-tri alkene. Background technique
[0003] Androgens, especially testosterone, are used to treat andropause symptoms and for male genital development and male birth control. In addition, these hormones also have some anabolic active ingredients that promote, for exampl...