IL45261A - Process for the manufacture of pregnanoic acids - Google Patents
Process for the manufacture of pregnanoic acidsInfo
- 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
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)
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 (da) |
JP (1) | JPS5069061A (da) |
AT (1) | AT338982B (da) |
BE (1) | BE817598A (da) |
CA (1) | CA1022157A (da) |
CS (1) | CS181271B2 (da) |
DD (1) | DD114065A5 (da) |
DE (1) | DE2336438C2 (da) |
DK (1) | DK131943C (da) |
ES (1) | ES428225A1 (da) |
FR (1) | FR2236507B1 (da) |
GB (1) | GB1481964A (da) |
HU (1) | HU170749B (da) |
IE (1) | IE39983B1 (da) |
IL (1) | IL45261A (da) |
NL (1) | NL7409503A (da) |
SE (1) | SE7409153L (da) |
SU (1) | SU602120A3 (da) |
Families Citing this family (3)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3833563A (en) * | 1971-10-04 | 1974-09-03 | Schering Ag | Novel pregnanoic acid derivatives |
DD95565B1 (de) * | 1971-10-04 | 1986-10-29 | Schering Ag | Verfahren zur herstellung neuer pregnansaeurederivate |
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 |
-
1973
- 1973-07-14 DE DE2336438A patent/DE2336438C2/de not_active Expired
-
1974
- 1974-07-08 JP JP49078118A patent/JPS5069061A/ja active Pending
- 1974-07-11 IE IE1463/74A patent/IE39983B1/xx unknown
- 1974-07-11 SE SE7409153A patent/SE7409153L/xx unknown
- 1974-07-12 DK DK376774A patent/DK131943C/da active
- 1974-07-12 CS CS7400004987A patent/CS181271B2/cs unknown
- 1974-07-12 HU HUSC481A patent/HU170749B/hu unknown
- 1974-07-12 BE BE146509A patent/BE817598A/xx unknown
- 1974-07-12 DD DD179884A patent/DD114065A5/xx unknown
- 1974-07-12 AT AT579574A patent/AT338982B/de not_active IP Right Cessation
- 1974-07-12 ES ES428225A patent/ES428225A1/es not_active Expired
- 1974-07-12 US US05/487,987 patent/US3960842A/en not_active Expired - Lifetime
- 1974-07-12 SU SU742046368A patent/SU602120A3/ru active
- 1974-07-13 NL NL7409503A patent/NL7409503A/xx not_active Application Discontinuation
- 1974-07-14 IL IL45261A patent/IL45261A/en unknown
- 1974-07-15 FR FR7424502A patent/FR2236507B1/fr not_active Expired
- 1974-07-15 CA CA204,760A patent/CA1022157A/en not_active Expired
- 1974-07-15 GB GB31243/74A patent/GB1481964A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IE39983L (en) | 1975-01-14 |
AU7116974A (en) | 1976-01-15 |
FR2236507B1 (da) | 1978-03-24 |
DK131943C (da) | 1976-02-23 |
NL7409503A (nl) | 1975-01-16 |
DK376774A (da) | 1975-03-17 |
FR2236507A1 (da) | 1975-02-07 |
DE2336438A1 (de) | 1975-01-30 |
GB1481964A (en) | 1977-08-03 |
DE2336438C2 (de) | 1983-07-07 |
ATA579574A (de) | 1977-01-15 |
US3960842A (en) | 1976-06-01 |
CS181271B2 (en) | 1978-03-31 |
BE817598A (fr) | 1975-01-13 |
SE7409153L (sv) | 1975-01-15 |
SU602120A3 (ru) | 1978-04-05 |
ES428225A1 (es) | 1976-07-16 |
JPS5069061A (da) | 1975-06-09 |
IL45261A0 (en) | 1974-10-22 |
DK131943B (da) | 1975-09-29 |
CA1022157A (en) | 1977-12-06 |
AT338982B (de) | 1977-09-26 |
IE39983B1 (en) | 1979-02-14 |
HU170749B (da) | 1977-08-28 |
DD114065A5 (da) | 1975-07-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HU188067B (en) | Process for preparing delta 17/20/21-substituted steroids | |
US3822254A (en) | Synthesis of 25-hydroxycholesterol | |
Dauben et al. | A Study of the Mechanism of Conversion of Acetate to Cholesterol via Squalene1 | |
PT776904E (pt) | Metodo para a preparacao de cetais derivados de esteroide | |
IL45261A (en) | Process for the manufacture of pregnanoic acids | |
FR2569408A1 (fr) | Nouveaux steroides substitues en position 10 par un radical comportant une double ou triple liaison, leur procede de preparation, leur application comme medicaments, les compositions pharmaceutiques les renfermant | |
US3850952A (en) | 5-oxo-1beta-cyclopentane heptanoic acid derivative | |
GB1564809A (en) | 24,25-epoxy-cholestane derivatives | |
US4923640A (en) | Process for the production of 17α-ethinyl-17β-hydroxy-18-methyl-4,15-estradien-3-one and new intermediate products for this process | |
US4204995A (en) | Cholestane derivatives | |
US4225524A (en) | Steroid derivatives and process for preparing the same | |
JPH023797B2 (da) | ||
FR2489335A1 (da) | ||
US3753979A (en) | Substituted 1,2alpha-methylene-6,7alpha-halomethylene-20-spirox-4-en-3-ones or 3-ols and acyl esters thereof | |
Hagiwara et al. | Total synthesis of a monocyclofarnesane dinorsesquiterpenoid isolated from mushroom ingested by beetle: Selectivity in solid-state Baeyer–Villiger reaction | |
Gurjar et al. | An ehantiospecific approach towards the C10 side-chain of bengamides | |
US4179452A (en) | 3α,6α-Dihydroxy-5β-cholestan-24-one derivatives and process for preparing the same | |
US4456601A (en) | 3-Chloro-pregnane derivatives and a process for the preparation thereof | |
US4163744A (en) | Synthesis of steroids | |
US3598845A (en) | Intermediates in synthesis of 16-dehydroprogesterone | |
JP3279564B2 (ja) | メチル化剤もしくはエチル化剤及びα,β−不飽和ケト化合物へのメチル基もしくはエチル基の1,4−付加法 | |
SU1389681A3 (ru) | Способ получени 17-галогенэтинилстероидов | |
US3741987A (en) | Intermediates in total synthesis of 16-dehydroprogesterone | |
IL36947A (en) | 3-oxo-17beta-hydroxy-17alpha-ethynyl-estra-(gona)-4,9-dienes and process of preparing same | |
US3965120A (en) | Prostaglandin E1 intermediate 3-carboxymethyl-4-methyl-2-1-carboxy-7-(loweralkoxy or aralkoxycarbonyl)-heptyl]-4-hydroxybutyric acid, γ-lactone, and processes of their preparation |