GB1321516A - 19-nor-3-oxo-6,6-ethylene-20-spirox-4-enes - Google Patents

19-nor-3-oxo-6,6-ethylene-20-spirox-4-enes

Info

Publication number
GB1321516A
GB1321516A GB2775571A GB2775571A GB1321516A GB 1321516 A GB1321516 A GB 1321516A GB 2775571 A GB2775571 A GB 2775571A GB 2775571 A GB2775571 A GB 2775571A GB 1321516 A GB1321516 A GB 1321516A
Authority
GB
United Kingdom
Prior art keywords
compound
spirox
oxo
ethylene
june
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
GB2775571A
Other languages
English (en)
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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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 by Merck and Co Inc filed Critical Merck and Co Inc
Publication of GB1321516A publication Critical patent/GB1321516A/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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Steroid Compounds (AREA)
GB2775571A 1970-06-18 1971-06-14 19-nor-3-oxo-6,6-ethylene-20-spirox-4-enes Expired GB1321516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4760670A 1970-06-18 1970-06-18

Publications (1)

Publication Number Publication Date
GB1321516A true GB1321516A (en) 1973-06-27

Family

ID=21949922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2775571A Expired GB1321516A (en) 1970-06-18 1971-06-14 19-nor-3-oxo-6,6-ethylene-20-spirox-4-enes

Country Status (7)

Country Link
US (1) US3673180A (enExample)
CA (1) CA945987A (enExample)
CH (2) CH592114A5 (enExample)
DE (1) DE2129943A1 (enExample)
FR (1) FR2100786B1 (enExample)
GB (1) GB1321516A (enExample)
NL (1) NL7107508A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040091447A1 (en) * 2002-09-06 2004-05-13 Societe L'oreal. S.A. Charging/separating cosmetic makeup compositions for keratin fibers
ATE469165T1 (de) * 2002-11-08 2010-06-15 Pantarhei Bioscience Bv Synthese von oestetrol aus von oestron abgeleiteten steroiden
PT2714710T (pt) 2011-06-01 2016-07-12 Estetra Sprl Processo para a produção de intermediários de estetrol
AU2012264601C1 (en) 2011-06-01 2018-01-25 Estetra Srl Process for the production of estetrol intermediates
EP2383279A1 (en) 2011-07-19 2011-11-02 Pantarhei Bioscience B.V. Process for the preparation of estetrol

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3422097A (en) * 1965-08-27 1969-01-14 Smithkline Corp 6,6-ethylene spirolactones
US3497498A (en) * 1965-09-01 1970-02-24 Tufts College 6,6-ethylenetestosterones

Also Published As

Publication number Publication date
NL7107508A (enExample) 1971-12-21
FR2100786B1 (enExample) 1974-11-15
DE2129943A1 (de) 1971-12-23
CH592114A5 (enExample) 1977-10-14
US3673180A (en) 1972-06-27
FR2100786A1 (enExample) 1972-03-24
CH585764A5 (enExample) 1977-03-15
CA945987A (en) 1974-04-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee