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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Pfizer Inc
Original Assignee
Pfizer Inc
Charles Pfizer and Co Inc
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Filing date
Publication date
Application filed by Pfizer Inc, Charles Pfizer and Co IncfiledCriticalPfizer Inc
Priority to ES0221580ApriorityCriticalpatent/ES221580A1/es
Publication of ES221580A1publicationCriticalpatent/ES221580A1/es
Un procedimiento para preparar un compuesto de esteroide, que comprende hacer reaccionar 21-hidroxi-pregnano-3,20-diona, con un agente acilador para asegurar la reacción en la posición 21 y para la producción de un compuesto que tenga la fórmula I de la Memoria.
ES0221580A1955-05-051955-05-05Un procedimiento para preparar un compuesto de esteroide
ExpiredES221580A1
(es)