IE34082B1 - A process for the preparation of 3-oxo-19-nor-delta4-steroids via novel nitrogenous 4,5-secosteroids - Google Patents

A process for the preparation of 3-oxo-19-nor-delta4-steroids via novel nitrogenous 4,5-secosteroids

Info

Publication number
IE34082B1
IE34082B1 IE412/70A IE41270A IE34082B1 IE 34082 B1 IE34082 B1 IE 34082B1 IE 412/70 A IE412/70 A IE 412/70A IE 41270 A IE41270 A IE 41270A IE 34082 B1 IE34082 B1 IE 34082B1
Authority
IE
Ireland
Prior art keywords
acid
alkyl
compounds
reaction
formula
Prior art date
Application number
IE412/70A
Other languages
English (en)
Other versions
IE34082L (en
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of IE34082L publication Critical patent/IE34082L/xx
Publication of IE34082B1 publication Critical patent/IE34082B1/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J1/00Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J73/00Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00Systems containing at least three condensed rings
    • C07C2603/02Ortho- or ortho- and peri-condensed systems
    • C07C2603/04Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12Ortho- 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
    • C07C2603/16Benz[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)
IE412/70A 1969-04-04 1970-04-02 A process for the preparation of 3-oxo-19-nor-delta4-steroids via novel nitrogenous 4,5-secosteroids IE34082B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IE34082L IE34082L (en) 1970-10-04
IE34082B1 true IE34082B1 (en) 1975-01-22

Family

ID=25213104

Family Applications (1)

Application Number Title Priority Date Filing Date
IE412/70A IE34082B1 (en) 1969-04-04 1970-04-02 A process for the preparation of 3-oxo-19-nor-delta4-steroids via novel nitrogenous 4,5-secosteroids

Country Status (13)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146139U (xx) * 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
FR2068452B1 (xx) 1973-07-13
FR2068452A1 (xx) 1971-08-27
GB1309652A (en) 1973-03-14
IL34184A0 (en) 1970-05-21
GB1309651A (en) 1973-03-14
DE2015800A1 (de) 1970-10-22
JPS5028952B1 (xx) 1975-09-19
NL7004801A (xx) 1970-10-06
JPS4935626B1 (xx) 1974-09-25
HU163408B (xx) 1973-08-28
DE2015800B2 (de) 1978-10-19
SU439089A3 (ru) 1974-08-05
IE34082L (en) 1970-10-04
CH568336A5 (xx) 1975-10-31
BE748356A (fr) 1970-10-02
IL34184A (en) 1973-08-29
PL80640B1 (en) 1975-08-30
DE2015800C3 (de) 1979-06-13
SE362421B (xx) 1973-12-10

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