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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Filing date
Publication date
Priority claimed from CH901863Aexternal-prioritypatent/CH437277A/de
Priority claimed from CH150364Aexternal-prioritypatent/CH448075A/de
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES302202A2publicationCriticalpatent/ES302202A2/es
Un metodo para producir nuevos compuestos de 1,2 metileno- 17alfa-aciloxi (o hidroxi mejorados) - 9 beta, 10 alea - es-teroides de la serie del pregnano.