## Abstract The microbiological transformation of 19‐nortestosterone with __Mycosphaerella latebrosa__ and with __Hypomyces aurantius__, leading to the 16β‐ and 16α‐hydroxy‐derivatives, respectively, is described.
Microbiological conversion of 19-nortestosterone: (IV) 15α-hydroxylation
✍ Scribed by J. de Flines; W. F. van der Waard; W. J. Mijs; S. A. Szpilfogel
- Book ID
- 104586580
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 266 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0165-0513
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✦ Synopsis
Abstract
Microbiological reaction of 19‐nortestosterone with Penicillium sp.ATCC 11598 leading to about equal amounts of the 15α‐hydroxy‐derivative and 15α‐hydroxy‐19‐nor‐androst‐4‐one‐3,17‐dione is described. Fermentation of 19‐nortestosterone with Fusarium orthoceras afforded mainly 15α‐hydroxy‐19‐norandrost‐4‐ene‐3,17‐dione and only minor amounts of 15α‐hydroxy‐19‐nortestosterone.
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## Abstract The microbiological reaction of 19‐nortestosterone with __Colletotrichum derridis__ yielding mainly 12β‐hydroxy‐19‐nortestosterone, is described.
## Abstract The microbiological reactions of 19‐nortestosterone with __Helminthosporium kusanoi__ leading to the 6β‐hydroxy‐derivative and with __Helminthosporium buchloes__ leading to the 14α‐hydroxy‐derivative are described.
## Abstract Fermentation of 19‐nortestosterone with __Curvularia lunata__ or with __Botrytis paeoniae__ yielded mainly the 10β‐hydroxy‐derivative. Fermentation with __Aspergillus ochraceus__ afforded the 11α‐hydroxy‐derivative in good yield. 10β‐Hydroxy‐19‐nortestosterone with __Corynebacterium si