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.)
Pfizer Inc
Original Assignee
Pfizer Inc
Charles Pfizer 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 Pfizer Inc, Charles Pfizer and Co IncfiledCriticalPfizer Inc
Publication of ES222068A1publicationCriticalpatent/ES222068A1/es
239000003795chemical substances by applicationSubstances0.000abstract1
150000001886cortisolsChemical group0.000abstract1
150000004820halidesChemical class0.000abstract1
Landscapes
Steroid Compounds
(AREA)
Abstract
Procedimiento para la preparación de éster de hidrocortisona o de sus sales que comprende poner en contacto hidrocortisona con un agente acilante de ácido policarboxílico, tal como un anhídrido de ácido, haluro de ácido o el propio ácido, para producir un éster ácido de la hidrocortisona sustituido en posición 21, y, si se desea, convertir dicho éster ácido en una sal.
ES0222068A1954-05-281955-05-27Un procedimiento para preparar compuestos de esteroides
ExpiredES222068A1
(es)