ES293329A2 - Procedure for the manufacture of new delta 1,4-16-alpha-metilsteroids (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the manufacture of new delta 1,4-16-alpha-metilsteroids (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Bayer Pharma AG
Original Assignee
Schering AG
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Publication date
Application filed by Schering AGfiledCriticalSchering AG
Publication of ES293329A2publicationCriticalpatent/ES293329A2/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Preparation Of Compounds By Using Micro-Organisms
(AREA)
Abstract
Improvements introduced in the object of the main patent no. 273.764 on procedure for the manufacture of Δ 1,4-16 α -methyl-esteriodes, characterized by that for the manufacture of 16 α -methyl- Δ 1,4-pregnadien-11 β, 21-diol-3,20 -dioneas 6 α, 9 α -difluorados are subjected to the procedure of the main patent to 16 α -methyl- Δ 4-pregnen-21-ol-3,20-diones 6 α -monofluoradas, and the introduction of fluorine 9 α -stable is carried out by known methods only after 11-hydroxylation is carried out, especially by transformation in the 9 α -fluor-11 β -hydroxy group of the hydroxyl group introduced its 11 position. (Machine-translation by Google Translate, not legally binding)
ES0293329A1963-07-271963-11-08Procedure for the manufacture of new delta 1,4-16-alpha-metilsteroids (Machine-translation by Google Translate, not legally binding)
ExpiredES293329A2
(en)
Procedure for the manufacture of palanquillas and irons perfilated by the continuous casting process (Machine-translation by Google Translate, not legally binding)