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.)
Bayer Pharma AG
Original Assignee
Schering AG
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
Priority claimed from DE19762609695external-prioritypatent/DE2609695A1/de
Priority claimed from DE19762609694external-prioritypatent/DE2609694C3/de
Priority claimed from DE19762627186external-prioritypatent/DE2627186A1/de
Priority claimed from DE19762627187external-prioritypatent/DE2627187A1/de
Application filed by Schering AGfiledCriticalSchering AG
Publication of ES456543A1publicationCriticalpatent/ES456543A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Saccharide Compounds
(AREA)
Abstract
Procedimiento para la preparación de 4-androsten-3-onas de la fórmula general I **(Fórmula)** en donde R1 representa hidrógeno o un radical de ácido orgánico o inorgánico; R2 representa hidrógeno, un grupo alcohilo, un radical de ácido orgánico o inorgánico; R3 representa metilo o etilo; R4 representa hidrógeno o metilo.
ES456543A1976-03-051977-03-04Procedimiento para la preparacion de 4-androsten-3-onas.
ExpiredES456543A1
(es)