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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Priority to ES0310088ApriorityCriticalpatent/ES310088A1/en
Publication of ES310088A1publicationCriticalpatent/ES310088A1/en
Procedure for the preparation of steroids with increased progestative activity, especially of 3-ketosteroids of the estrano series, which consists of introducing double bonds at positions C-4 and C-9 (10). (Machine-translation by Google Translate, not legally binding)
ES0310088A1965-02-241965-02-24Procedure for the preparation of steroids. (Machine-translation by Google Translate, not legally binding)
ExpiredES310088A1
(en)
A procedure for the preparation of 10-alpha and 9-beta steroids, 10-alpha of the androstanic and pregnanic series. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of a 1,2 alpha-methylen -6,7 alpha-dihalometilen-20-espirox-4-eno 3-oxygenate. (Machine-translation by Google Translate, not legally binding)