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 Italia SRL
Original Assignee
Farmaceutici Italia SpA
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Filing date
Publication date
Application filed by Farmaceutici Italia SpAfiledCriticalFarmaceutici Italia SpA
Application grantedgrantedCritical
Publication of FR1221631ApublicationCriticalpatent/FR1221631A/fr
C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J75/00—Processes for the preparation of steroids in general
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Chemical & Material Sciences
(AREA)
Organic Chemistry
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Health & Medical Sciences
(AREA)
General Health & Medical Sciences
(AREA)
FR782116A1957-12-241958-12-19Procédé de préparation de la 4,17 alpha-dihydroxyprogestérone et de ses esters
ExpiredFR1221631A
(fr)