NL6503505A - - Google Patents

Info

Publication number
NL6503505A
NL6503505A NL6503505A NL6503505A NL6503505A NL 6503505 A NL6503505 A NL 6503505A NL 6503505 A NL6503505 A NL 6503505A NL 6503505 A NL6503505 A NL 6503505A NL 6503505 A NL6503505 A NL 6503505A
Authority
NL
Netherlands
Application number
NL6503505A
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
Application filed filed Critical
Publication of NL6503505A publication Critical patent/NL6503505A/xx

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/56Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/565Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
    • A61K31/567Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol substituted in position 17 alpha, e.g. mestranol, norethandrolone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/56Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/58Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J21/00Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J75/00Processes for the preparation of steroids in general

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Steroid Compounds (AREA)
NL6503505A 1964-03-19 1965-03-19 NL6503505A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US353285A US3238197A (en) 1964-03-19 1964-03-19 19-nor-20-spiroxa-4, 9(10)-dien-3-one, the corresponding 3, 21-dione and intermediates therefor

Publications (1)

Publication Number Publication Date
NL6503505A true NL6503505A (xx) 1965-09-20

Family

ID=23388470

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6503505A NL6503505A (xx) 1964-03-19 1965-03-19

Country Status (7)

Country Link
US (1) US3238197A (xx)
BR (1) BR6567815D0 (xx)
CH (1) CH465636A (xx)
DE (1) DE1543176A1 (xx)
FR (1) FR1584957A (xx)
GB (1) GB1078369A (xx)
NL (1) NL6503505A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509135A (en) * 1968-07-26 1970-04-28 Searle & Co 3-oxygenated 4'-5 - dihydrospiro(estra-4,9-diene-17,2'(3'h)-furans) and congeners
US3939155A (en) * 1974-06-28 1976-02-17 G. D. Searle & Co. 4',5'-Dihydrospiro[androst/estr-4-ene-17,2'(3'H)-furan]3,4'-dione and congeners, and intermediates thereto
DE3410880A1 (de) 1984-03-21 1985-10-03 Schering AG, Berlin und Bergkamen, 1000 Berlin 17-substituierte estradiene und estratriene
US20140202091A1 (en) * 2013-01-24 2014-07-24 Walton W. McCarthy Hexoid arch and shelter structure

Also Published As

Publication number Publication date
FR1584957A (xx) 1970-01-09
BR6567815D0 (pt) 1973-08-07
GB1078369A (en) 1967-08-09
CH465636A (de) 1968-11-30
DE1543176A1 (de) 1969-07-31
US3238197A (en) 1966-03-01

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