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AU3773772A - Preparation of delta4-3, 20-diketo-6,6-difluoro-11b,16a,17a,2tetrahydroxypregnene 16, 17-ketals - Google Patents

Preparation of delta4-3, 20-diketo-6,6-difluoro-11b,16a,17a,2tetrahydroxypregnene 16, 17-ketals

Info

Publication number
AU3773772A
AU3773772A AU37737/72A AU3773772A AU3773772A AU 3773772 A AU3773772 A AU 3773772A AU 37737/72 A AU37737/72 A AU 37737/72A AU 3773772 A AU3773772 A AU 3773772A AU 3773772 A AU3773772 A AU 3773772A
Authority
AU
Australia
Prior art keywords
delta4
diketo
ketals
difluoro
preparation
Prior art date
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.)
Expired
Application number
AU37737/72A
Inventor
William Charles Ripka
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of AU3773772A publication Critical patent/AU3773772A/en
Expired legal-status Critical Current

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)
AU37737/72A 1971-01-11 1972-01-07 Preparation of delta4-3, 20-diketo-6,6-difluoro-11b,16a,17a,2tetrahydroxypregnene 16, 17-ketals Expired AU3773772A (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
AU3773772A true AU3773772A (en) 1973-07-12

Family

ID=22307115

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37737/72A Expired AU3773772A (en) 1971-01-11 1972-01-07 Preparation of delta4-3, 20-diketo-6,6-difluoro-11b,16a,17a,2tetrahydroxypregnene 16, 17-ketals

Country Status (10)

Country Link
AT (1) AT323341B (en)
AU (1) AU3773772A (en)
BE (1) BE777859A (en)
DE (1) DE2200597A1 (en)
ES (1) ES398732A1 (en)
FR (1) FR2121713B1 (en)
GB (1) GB1352079A (en)
IL (1) IL38359A0 (en)
NL (1) NL7200329A (en)
ZA (1) ZA718557B (en)

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
AT323341B (en) 1975-07-10
DE2200597A1 (en) 1972-07-27
ES398732A1 (en) 1975-06-01
IL38359A0 (en) 1972-02-29
GB1352079A (en) 1974-05-15
FR2121713A1 (en) 1972-08-25
NL7200329A (en) 1972-07-13
FR2121713B1 (en) 1975-10-31
ZA718557B (en) 1973-08-29
BE777859A (en) 1972-07-10

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