GB1266441A - - Google Patents

Info

Publication number
GB1266441A
GB1266441A GB1266441DA GB1266441A GB 1266441 A GB1266441 A GB 1266441A GB 1266441D A GB1266441D A GB 1266441DA GB 1266441 A GB1266441 A GB 1266441A
Authority
GB
United Kingdom
Prior art keywords
group
oxo
give
hydroxy
acetal
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
Other languages
English (en)
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 DE19681768226 external-priority patent/DE1768226C3/de
Application filed filed Critical
Publication of GB1266441A publication Critical patent/GB1266441A/en
Expired legal-status Critical Current

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
    • A61K31/57Compounds 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
    • A61K31/573Compounds 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 substituted in position 21, e.g. cortisone, dexamethasone, prednisone or aldosterone
    • 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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1266441D 1968-04-18 1969-04-18 Expired GB1266441A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681768226 DE1768226C3 (de) 1968-04-18 Verfahren zur Herstellung von Delta hoch 14-20-Keto-21-dialkoxysteroiden

Publications (1)

Publication Number Publication Date
GB1266441A true GB1266441A (enrdf_load_html_response) 1972-03-08

Family

ID=5699651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1266441D Expired GB1266441A (enrdf_load_html_response) 1968-04-18 1969-04-18

Country Status (9)

Country Link
AT (1) AT294329B (enrdf_load_html_response)
BE (1) BE731716A (enrdf_load_html_response)
CH (1) CH558786A (enrdf_load_html_response)
DK (1) DK126188B (enrdf_load_html_response)
FR (1) FR2007476A1 (enrdf_load_html_response)
GB (1) GB1266441A (enrdf_load_html_response)
NL (1) NL6905780A (enrdf_load_html_response)
NO (1) NO130644C (enrdf_load_html_response)
SE (1) SE353534B (enrdf_load_html_response)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773077A (en) * 1953-06-16 1956-12-04 Merck & Co Inc Preparation of steroid 21-aldehydes
DE1518907C3 (de) * 1965-12-18 1974-11-14 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Verfahren zur Herstellung von Delta hoch 14 -3,20-Diketo-21-acyloxysterioden

Also Published As

Publication number Publication date
NO130644B (enrdf_load_html_response) 1974-10-07
NO130644C (enrdf_load_html_response) 1975-01-22
FR2007476A1 (enrdf_load_html_response) 1970-01-09
AT294329B (de) 1971-11-25
CH558786A (de) 1975-02-14
SE353534B (enrdf_load_html_response) 1973-02-05
NL6905780A (enrdf_load_html_response) 1969-10-21
DK126188B (da) 1973-06-18
BE731716A (enrdf_load_html_response) 1969-10-20
DE1768226B2 (de) 1976-08-19
DE1768226A1 (de) 1971-10-14

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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