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.)
Pharmacia and Upjohn Co
Original Assignee
Upjohn Co
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Filing date
Publication date
Application filed by Upjohn CofiledCriticalUpjohn Co
Priority to FR883792ApriorityCriticalpatent/FR1474703A/fr
Application grantedgrantedCritical
Publication of FR1474703ApublicationCriticalpatent/FR1474703A/fr
C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J75/00—Processes for the preparation of steroids in general
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Health & Medical Sciences
(AREA)
General Health & Medical Sciences
(AREA)
FR883792A1962-01-031962-01-03Nouveaux 3, 3-difluoro-, 20, 20-difluoro- et 3, 3, 20, 20-tétra-fluoroprégnanes et procédé pour leur préparation
ExpiredFR1474703A
(fr)