ZA718557B - Process for the preparation of delta4-3,20-diketo-6,6-difluoro-11beta,16alpha,17alpha,21-tetrahydroxypregnene 16,17-ketals - Google Patents

Process for the preparation of delta4-3,20-diketo-6,6-difluoro-11beta,16alpha,17alpha,21-tetrahydroxypregnene 16,17-ketals

Info

Publication number
ZA718557B
ZA718557B ZA718557A ZA718557A ZA718557B ZA 718557 B ZA718557 B ZA 718557B ZA 718557 A ZA718557 A ZA 718557A ZA 718557 A ZA718557 A ZA 718557A ZA 718557 B ZA718557 B ZA 718557B
Authority
ZA
South Africa
Prior art keywords
tetrahydroxypregnene
delta4
16alpha
11beta
17alpha
Prior art date
Application number
ZA718557A
Other languages
English (en)
Inventor
W Ripka
Original Assignee
Du Pont
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
Priority claimed from US00105666A external-priority patent/US3822253A/en
Application filed by Du Pont filed Critical Du Pont
Publication of ZA718557B publication Critical patent/ZA718557B/xx

Links

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
    • A61K31/58—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
ZA718557A 1971-01-11 1971-12-22 Process for the preparation of delta4-3,20-diketo-6,6-difluoro-11beta,16alpha,17alpha,21-tetrahydroxypregnene 16,17-ketals ZA718557B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00105666A US3822253A (en) 1970-04-22 1971-01-11 Process for the preparation of delta4-3,20-diketo-6,6-difluoro-11beta,16alpha,17alpha,21-tetrahydroxypregnene 16,17-ketals

Publications (1)

Publication Number Publication Date
ZA718557B true ZA718557B (en) 1973-08-29

Family

ID=22307115

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA718557A ZA718557B (en) 1971-01-11 1971-12-22 Process for the preparation of delta4-3,20-diketo-6,6-difluoro-11beta,16alpha,17alpha,21-tetrahydroxypregnene 16,17-ketals

Country Status (10)

Country Link
AT (1) AT323341B (cg-RX-API-DMAC10.html)
AU (1) AU3773772A (cg-RX-API-DMAC10.html)
BE (1) BE777859A (cg-RX-API-DMAC10.html)
DE (1) DE2200597A1 (cg-RX-API-DMAC10.html)
ES (1) ES398732A1 (cg-RX-API-DMAC10.html)
FR (1) FR2121713B1 (cg-RX-API-DMAC10.html)
GB (1) GB1352079A (cg-RX-API-DMAC10.html)
IL (1) IL38359A0 (cg-RX-API-DMAC10.html)
NL (1) NL7200329A (cg-RX-API-DMAC10.html)
ZA (1) ZA718557B (cg-RX-API-DMAC10.html)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320291A (en) * 1962-10-23 1967-05-16 Du Pont 5-fluoro-6-nitrimino-and 6-keto steroids and their preparation
US3641006A (en) * 1970-06-01 1972-02-08 Du Pont Process for the preparation of steroid alpha-fluoronitrimines

Also Published As

Publication number Publication date
ES398732A1 (es) 1975-06-01
DE2200597A1 (de) 1972-07-27
AT323341B (de) 1975-07-10
BE777859A (fr) 1972-07-10
GB1352079A (en) 1974-05-15
IL38359A0 (en) 1972-02-29
FR2121713B1 (cg-RX-API-DMAC10.html) 1975-10-31
FR2121713A1 (cg-RX-API-DMAC10.html) 1972-08-25
AU3773772A (en) 1973-07-12
NL7200329A (cg-RX-API-DMAC10.html) 1972-07-13

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