ES300889A1 - Procedure for preparation of a dienic steroid 11-oxygenated (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for preparation of a dienic steroid 11-oxygenated (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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Sanofi Aventis France
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Roussel Uclaf SA
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Publication date
Priority claimed from FR951379Aexternal-prioritypatent/FR1468639A/en
Application filed by Roussel Uclaf SAfiledCriticalRoussel Uclaf SA
Publication of ES300889A1publicationCriticalpatent/ES300889A1/en
A process for preparing an 11-oxygenated diene steroid and, more particularly, 3-oxo-11-beta, 17-beta-dilihydroxy-17alpha-ethynyl-4,9-estradiyen of the formula ** (See formula) ** characterized mainly because it is oxidized with the help of oxygen or air, operating in weakly alkaline medium, 3-oxo-17beta-hydroxy-17alpha-etinxl-5 (10), 9 (11) -estradiene and, afterwards, transforms the 3- oxo-11beta-hydroperoxy-17beta-hydroxy-17alpha-ethynyl-4,9-estradiene resulting from the action of a reducing agent, in 3-oxo-11beta, 17beta-dihydroxy-17alfa-ethynyl-4,9-estradiyenne sought. (Machine-translation by Google Translate, not legally binding)
ES300889A1963-10-221964-06-11Procedure for preparation of a dienic steroid 11-oxygenated (Machine-translation by Google Translate, not legally binding)
ExpiredES300889A1
(en)
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