Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
  • A61K31/57—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07J—STEROIDS
  • 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

Applications Claiming Priority (1)

Publications (1)

Family

ID=19792199

Family Applications (1)

Country Status (5)

• 1965
  • 1965-01-28 NL NL6501041A patent/NL6501041A/xx unknown
• 1966
  • 1966-01-20 GB GB267366A patent/GB1132054A/en not_active Expired
  • 1966-01-25 ES ES0322215A patent/ES322215A1/es not_active Expired
  • 1966-01-28 BE BE675713D patent/BE675713A/xx unknown
  • 1966-01-28 FR FR47570A patent/FR5140M/fr not_active Expired

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