BE872467A - Procede de preparation de la -lactone de l'acide 17-hydroxy-3-oxo-17-pregna-4 - Google Patents
Procede de preparation de la -lactone de l'acide 17-hydroxy-3-oxo-17-pregna-4Info
- Publication number
- BE872467A BE872467A BE192095A BE192095A BE872467A BE 872467 A BE872467 A BE 872467A BE 192095 A BE192095 A BE 192095A BE 192095 A BE192095 A BE 192095A BE 872467 A BE872467 A BE 872467A
- Authority
- BE
- Belgium
- Prior art keywords
- pregna
- oxo
- hydroxy
- acid
- preparing lactone
- Prior art date
Links
Classifications
-
- 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
- C07J21/001—Lactones
- C07J21/003—Lactones at position 17
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
- Pyrrole Compounds (AREA)
- Hydrogenated Pyridines (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/856,886 US4155906A (en) | 1977-12-02 | 1977-12-02 | Process for preparing steroidal 3-oxo-4,6-dienes such as 17-hydroxy-3-oxo-17α-pregna-4,6-diene-21-carboxylic acidγ-lactone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE872467A true BE872467A (fr) | 1979-06-01 |
Family
ID=25324710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE192095A BE872467A (fr) | 1977-12-02 | 1978-12-01 | Procede de preparation de la -lactone de l'acide 17-hydroxy-3-oxo-17-pregna-4 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4155906A (fr) |
| JP (1) | JPS5495554A (fr) |
| BE (1) | BE872467A (fr) |
| DE (1) | DE2852145A1 (fr) |
| FR (1) | FR2410659A1 (fr) |
| GB (1) | GB2010277A (fr) |
| IT (1) | IT1158153B (fr) |
| NL (1) | NL7811806A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5655400A (en) * | 1979-10-12 | 1981-05-15 | Mitsubishi Chem Ind Ltd | Improved preparation process of 4,6-dien-3-one steroid |
| CN104327150B (zh) * | 2014-09-11 | 2016-08-24 | 浙江神洲药业有限公司 | 一种螺内酯中间体坎利酮的合成方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2216276B1 (fr) * | 1973-02-06 | 1976-11-05 | Roussel Uclaf |
-
1977
- 1977-12-02 US US05/856,886 patent/US4155906A/en not_active Expired - Lifetime
-
1978
- 1978-11-30 FR FR7833885A patent/FR2410659A1/fr not_active Withdrawn
- 1978-12-01 GB GB7846883A patent/GB2010277A/en not_active Withdrawn
- 1978-12-01 IT IT52164/78A patent/IT1158153B/it active
- 1978-12-01 JP JP14894678A patent/JPS5495554A/ja active Pending
- 1978-12-01 DE DE19782852145 patent/DE2852145A1/de not_active Withdrawn
- 1978-12-01 BE BE192095A patent/BE872467A/fr unknown
- 1978-12-01 NL NL7811806A patent/NL7811806A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IT7852164A0 (it) | 1978-12-01 |
| DE2852145A1 (de) | 1979-06-07 |
| JPS5495554A (en) | 1979-07-28 |
| US4155906A (en) | 1979-05-22 |
| FR2410659A1 (fr) | 1979-06-29 |
| GB2010277A (en) | 1979-06-27 |
| NL7811806A (nl) | 1979-06-06 |
| IT1158153B (it) | 1987-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| LU80084A1 (fr) | Procede de preparation d'oligoimides | |
| BE874246A (fr) | Procede pour la preparation d'esters de d'acide 3-alkylethiopropionique | |
| BE865808A (fr) | Procede de preparation de l'ethylene-glycol | |
| BE872009A (fr) | Procede de preparation de l'acide terephtalique | |
| BE877206A (fr) | Procede de preparation d'esters de l'acide oxalique | |
| BE863808A (fr) | Procede de production de l'acide 5-methyltetrahydrofoliquded | |
| FR2328704A1 (fr) | Procede de preparation de diesters cycliques de l'acide dodecane-dioique | |
| PT67088A (fr) | Procede de preparation de derives de l'acide(phenyl-3-amino-2-propionyloxy)-2-acetique | |
| FR2331543A1 (fr) | Procede de preparation de l'acide cis-2-hydroxy-2-phenyl-r-l-cyclohexanecarboxylique | |
| BE865609A (fr) | Procede de preparation d'esters cycliques de l'acide undecanedioique | |
| FR2298544A1 (fr) | Procede de preparation de l'acide orotique ou thio-orotique | |
| FR2297832A1 (fr) | Procede de preparation d'esters de l'acide formique | |
| BE872467A (fr) | Procede de preparation de la -lactone de l'acide 17-hydroxy-3-oxo-17-pregna-4 | |
| BE841209A (fr) | Procede de preparation de solutions d'acide perpropionique | |
| BE865360A (fr) | Procede de preparation d'esters de l'acide apovincaminique | |
| FR2300824A1 (fr) | Procede de preparation de l'acide diacetone-2-cetogulonique | |
| PT68159A (fr) | Procede de preparation de nouveaux derives de l'acide piperazinecarbodithioique | |
| RO74966A (fr) | Procede de preparation de l'acide perpropionique | |
| LU80602A1 (fr) | Procede de preparation de l'acide d,1-beta-benzoylamino-isobutyrique | |
| FR2316232A1 (fr) | Procede de preparation d'acide 5-alcoyl-picolique | |
| FR2311770A1 (fr) | Procede de preparation de derives de l'acide para-isobutyl-phenylacetique | |
| FR2329653A1 (fr) | Procede de preparation de l'acide 1-amino-naphtalene-7-sulfonique | |
| FR2331516A1 (fr) | Procede de preparation d'acide tetrafluoroborique concentre | |
| FR2343720A1 (fr) | Procede de preparation d'arylamides de l'acide hydroxy-3 butyrique | |
| FR2298331A1 (fr) | Procede de preparation de derives d'acide 5-benzylpicoliniq |