ES329608A1 - Procedure for the obtaining of 7 alpha-methyl - delta 4.9, ii-19-nor-androstatrienos. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of 7 alpha-methyl - delta 4.9, ii-19-nor-androstatrienos. (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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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Publication date
Priority claimed from CH1079065Aexternal-prioritypatent/CH488682A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES329608A1publicationCriticalpatent/ES329608A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedure for obtaining 7 α -methyl- Δ 4,9,11-19-norandrostatrienes of formula ** (See formula) ** wherein R means an oxo radical, a free hydroxy radical, esterified or esterified, in the " position, together with a hydrogen atom or together with a lower, saturated or unsaturated, substituted or unsubstituted aliphatic hydrocarbon radical, characterized why a) in the compounds of formula I, in which R means a free or protected oxo radical, a protected oxo radical is released and/or a free oxo radical is selectively reduced to a hydroxy radical, optionally under the simultaneous introduction of a hydrocarbon residue in position 17 α and, if desired, a hydroxy radical is esterified or etherified, or b) in the compounds of formula I, in which R means a free, esterified or esterified hydroxyl radical, an esterified or ethoxylated hydroxyl radical is released and/or, if desired, a free hydroxyl radical is esterified or etherified or oxidized to the oxo radical, or c) why the compounds of formula ** (See formula) ** wherein R means an ozo radical, a free hydroxy radical, esterified or etherified, in the β position, together with a hydrogen atom or together with an aliphatic hydrocarbon residue, saturated or unsaturated, unsubstituted or substituted, dehydrated with acid media. (Machine-translation by Google Translate, not legally binding)
ES0329608A1965-07-301966-07-28Procedure for the obtaining of 7 alpha-methyl - delta 4.9, ii-19-nor-androstatrienos. (Machine-translation by Google Translate, not legally binding)
ExpiredES329608A1
(en)
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