ES313454A2 - Procedure for preparation of a dienic steroid 11-oxygenate. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for preparation of a dienic steroid 11-oxygenate. (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
Original Assignee
Roussel Uclaf SA
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Publication date
Priority claimed from FR976434Aexternal-prioritypatent/FR92103E/en
Application filed by Roussel Uclaf SAfiledCriticalRoussel Uclaf SA
Publication of ES313454A2publicationCriticalpatent/ES313454A2/en
Improvements introduced in the object of the main patent No. 300.889, issued on October 22, 1964, by: "A process for the preparation of an 11-oxygenated dionic steroid", essentially characterized by the fact that it is subjected to 3-oxo 11 beta, 17 beta-dihydroxy-17-alpha-ethynyl-4,9-estradiyen to the action of an oxidizing agent and especially of chromic anhydride, and the desired 3,11-dioxo-17-alpha-ethynyl-17-hydroxy-4,9-estradiol is obtained. (Machine-translation by Google Translate, not legally binding)
ES0313454A1964-05-291965-05-26Procedure for preparation of a dienic steroid 11-oxygenate. (Machine-translation by Google Translate, not legally binding)
ExpiredES313454A2
(en)
A procedure for the preparation of 3-oxo 17-beta-metoxy 17-alpha-methyl estra-4.9, ii-triene. (Machine-translation by Google Translate, not legally binding)