IL45261A - Process for the manufacture of pregnanoic acids - Google Patents

Process for the manufacture of pregnanoic acids

Info

Publication number
IL45261A
IL45261A IL45261A IL4526174A IL45261A IL 45261 A IL45261 A IL 45261A IL 45261 A IL45261 A IL 45261A IL 4526174 A IL4526174 A IL 4526174A IL 45261 A IL45261 A IL 45261A
Authority
IL
Israel
Prior art keywords
grams
group
mixture
ethyl ester
under
Prior art date
Application number
IL45261A
Other languages
English (en)
Other versions
IL45261A0 (en
Original Assignee
Schering 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 Schering Ag filed Critical Schering Ag
Publication of IL45261A0 publication Critical patent/IL45261A0/xx
Publication of IL45261A publication Critical patent/IL45261A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
    • C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
    • C07J41/0094—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 containing nitrile radicals, including thiocyanide radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C07J21/005—Ketals
    • C07J21/006—Ketals at position 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
    • C07J7/008—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms substituted in position 21
    • C07J7/0095—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms substituted in position 21 carbon in position 21 is part of carboxylic group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Steroid Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IL45261A 1973-07-14 1974-07-14 Process for the manufacture of pregnanoic acids IL45261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2336438A DE2336438C2 (de) 1973-07-14 1973-07-14 Verfahren zur Herstellung von 17 β- Oxalylsteroiden

Publications (2)

Publication Number Publication Date
IL45261A0 IL45261A0 (en) 1974-10-22
IL45261A true IL45261A (en) 1977-12-30

Family

ID=5887237

Family Applications (1)

Application Number Title Priority Date Filing Date
IL45261A IL45261A (en) 1973-07-14 1974-07-14 Process for the manufacture of pregnanoic acids

Country Status (18)

Country Link
US (1) US3960842A (de)
JP (1) JPS5069061A (de)
AT (1) AT338982B (de)
BE (1) BE817598A (de)
CA (1) CA1022157A (de)
CS (1) CS181271B2 (de)
DD (1) DD114065A5 (de)
DE (1) DE2336438C2 (de)
DK (1) DK131943C (de)
ES (1) ES428225A1 (de)
FR (1) FR2236507B1 (de)
GB (1) GB1481964A (de)
HU (1) HU170749B (de)
IE (1) IE39983B1 (de)
IL (1) IL45261A (de)
NL (1) NL7409503A (de)
SE (1) SE7409153L (de)
SU (1) SU602120A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331663A (en) * 1981-06-19 1982-05-25 Sterling Drug Inc. 4α,5α-Epoxy-3,20-dioxopregnane-2α,16α-dicarbonitrile and intermediates and process for preparation, method of use and compositions thereof
US4389345A (en) * 1981-10-09 1983-06-21 G.D. Searle & Co. 3-Oxoestra-17-acetonitrile and unsaturated analogs
FR2700339B1 (fr) * 1993-01-14 1995-03-03 Roussel Uclaf Nouveaux dérivés 17,20-époxydes du pregnane, leur préparation, leur application à la préparation de dérivés cortisoniques et intermédiaires.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
YU35148B (en) * 1971-10-04 1980-09-25 Schering Ag Process for obtaining pregnane acid derivatives
US3833563A (en) * 1971-10-04 1974-09-03 Schering Ag Novel pregnanoic acid derivatives
ES400163A1 (es) * 1971-10-04 1975-06-16 Schering Ag Procedimiento para la preparacion de nuevos derivados de acido pregnanoico.
DE2260303C2 (de) * 1972-12-06 1983-12-15 Schering AG, 1000 Berlin und 4709 Bergkamen Verfahren zur Herstellung von Pregnansäurederivaten
DE2319478A1 (de) * 1973-04-14 1974-10-31 Schering Ag Neue pregnansaeure-derivate

Also Published As

Publication number Publication date
ATA579574A (de) 1977-01-15
DE2336438C2 (de) 1983-07-07
IE39983L (en) 1975-01-14
AT338982B (de) 1977-09-26
GB1481964A (en) 1977-08-03
SU602120A3 (ru) 1978-04-05
JPS5069061A (de) 1975-06-09
DK131943B (da) 1975-09-29
US3960842A (en) 1976-06-01
DE2336438A1 (de) 1975-01-30
AU7116974A (en) 1976-01-15
DK376774A (de) 1975-03-17
CS181271B2 (en) 1978-03-31
FR2236507A1 (de) 1975-02-07
DD114065A5 (de) 1975-07-12
SE7409153L (sv) 1975-01-15
IL45261A0 (en) 1974-10-22
FR2236507B1 (de) 1978-03-24
BE817598A (fr) 1975-01-13
DK131943C (da) 1976-02-23
ES428225A1 (es) 1976-07-16
NL7409503A (nl) 1975-01-16
HU170749B (de) 1977-08-28
CA1022157A (en) 1977-12-06
IE39983B1 (en) 1979-02-14

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