GB1309651A - Process for the preparation of 3-oxo-19 nor-delta 4- steroids via nitrogenous 4,5-secosteroids - Google Patents

Process for the preparation of 3-oxo-19 nor-delta 4- steroids via nitrogenous 4,5-secosteroids

Info

Publication number
GB1309651A
GB1309651A GB1563270A GB1563270A GB1309651A GB 1309651 A GB1309651 A GB 1309651A GB 1563270 A GB1563270 A GB 1563270A GB 1563270 A GB1563270 A GB 1563270A GB 1309651 A GB1309651 A GB 1309651A
Authority
GB
United Kingdom
Prior art keywords
acid
alkyl
compounds
reaction
formula
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
GB1563270A
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of GB1309651A publication Critical patent/GB1309651A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J73/00—Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/16—Benz[e]indenes; Hydrogenated benz[e]indenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1563270A 1969-04-04 1970-04-02 Process for the preparation of 3-oxo-19 nor-delta 4- steroids via nitrogenous 4,5-secosteroids Expired GB1309651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81369369A 1969-04-04 1969-04-04

Publications (1)

Publication Number Publication Date
GB1309651A true GB1309651A (en) 1973-03-14

Family

ID=25213104

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2952172A Expired GB1309652A (en) 1969-04-04 1970-04-02 3-alkyl-4-oxa-steroids process for their preparation and hydro genation
GB1563270A Expired GB1309651A (en) 1969-04-04 1970-04-02 Process for the preparation of 3-oxo-19 nor-delta 4- steroids via nitrogenous 4,5-secosteroids

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2952172A Expired GB1309652A (en) 1969-04-04 1970-04-02 3-alkyl-4-oxa-steroids process for their preparation and hydro genation

Country Status (13)

Country Link
JP (2) JPS5028952B1 (enrdf_load_stackoverflow)
BE (1) BE748356A (enrdf_load_stackoverflow)
CH (1) CH568336A5 (enrdf_load_stackoverflow)
DE (1) DE2015800C3 (enrdf_load_stackoverflow)
FR (1) FR2068452B1 (enrdf_load_stackoverflow)
GB (2) GB1309652A (enrdf_load_stackoverflow)
HU (1) HU163408B (enrdf_load_stackoverflow)
IE (1) IE34082B1 (enrdf_load_stackoverflow)
IL (1) IL34184A (enrdf_load_stackoverflow)
NL (1) NL7004801A (enrdf_load_stackoverflow)
PL (1) PL80640B1 (enrdf_load_stackoverflow)
SE (1) SE362421B (enrdf_load_stackoverflow)
SU (1) SU439089A3 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146139U (enrdf_load_stackoverflow) * 1977-04-22 1978-11-17
GB2514589B (en) 2013-05-30 2020-01-29 Nat Oilwell Varco Lp Centrifuge for separating solids from solids laden drilling fluid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH503050A (de) * 1967-11-02 1971-02-15 Hoffmann La Roche Verfahren zur Herstellung von polycyclischen Verbindungen

Also Published As

Publication number Publication date
DE2015800B2 (de) 1978-10-19
IL34184A0 (en) 1970-05-21
IL34184A (en) 1973-08-29
JPS5028952B1 (enrdf_load_stackoverflow) 1975-09-19
SU439089A3 (ru) 1974-08-05
GB1309652A (en) 1973-03-14
CH568336A5 (enrdf_load_stackoverflow) 1975-10-31
BE748356A (fr) 1970-10-02
IE34082L (en) 1970-10-04
SE362421B (enrdf_load_stackoverflow) 1973-12-10
FR2068452B1 (enrdf_load_stackoverflow) 1973-07-13
DE2015800C3 (de) 1979-06-13
FR2068452A1 (enrdf_load_stackoverflow) 1971-08-27
JPS4935626B1 (enrdf_load_stackoverflow) 1974-09-25
DE2015800A1 (de) 1970-10-22
HU163408B (enrdf_load_stackoverflow) 1973-08-28
NL7004801A (enrdf_load_stackoverflow) 1970-10-06
IE34082B1 (en) 1975-01-22
PL80640B1 (en) 1975-08-30

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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