GB2199325B - Process for preparing 16-dehydro-20-oxopregnane derivatives and such derivatives - Google Patents
Process for preparing 16-dehydro-20-oxopregnane derivatives and such derivativesInfo
- Publication number
- GB2199325B GB2199325B GB8730269A GB8730269A GB2199325B GB 2199325 B GB2199325 B GB 2199325B GB 8730269 A GB8730269 A GB 8730269A GB 8730269 A GB8730269 A GB 8730269A GB 2199325 B GB2199325 B GB 2199325B
- Authority
- GB
- United Kingdom
- Prior art keywords
- derivatives
- dehydro
- preparing
- oxopregnane
- oxopregnane derivatives
- 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 - Fee Related
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
- C07J21/005—Ketals
- C07J21/006—Ketals at position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J13/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
- C07J13/005—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17 with double bond in position 16 (17)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J13/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
- C07J13/007—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17 with double bond in position 17 (20)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0005—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring the nitrogen atom being directly linked to the cyclopenta(a)hydro phenanthrene skeleton
- C07J41/0016—Oximes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU549986A HU198736B (en) | 1986-12-29 | 1986-12-29 | Process for producing 16-dehydro-20-oxopregnane derivatives |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8730269D0 GB8730269D0 (en) | 1988-02-03 |
GB2199325A GB2199325A (en) | 1988-07-06 |
GB2199325B true GB2199325B (en) | 1990-04-25 |
Family
ID=10970368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8730269A Expired - Fee Related GB2199325B (en) | 1986-12-29 | 1987-12-29 | Process for preparing 16-dehydro-20-oxopregnane derivatives and such derivatives |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH0830076B2 (en) |
GB (1) | GB2199325B (en) |
HU (1) | HU198736B (en) |
NL (1) | NL8703151A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2720747B1 (en) * | 1994-06-02 | 1996-07-12 | Roussel Uclaf | New process for the preparation of a 16-beta-methyl steroid and new intermediates. |
JP4827189B2 (en) | 2004-05-14 | 2011-11-30 | 塩野義製薬株式会社 | Oxidation of alcohols using hydrogen peroxide and tungsten catalysts |
CN1907998B (en) * | 2005-08-05 | 2010-05-26 | 天津天药药业股份有限公司 | Refining method of 21-methyl tetraenes as intermediate of dexamethasone |
CN105622700B (en) * | 2016-01-29 | 2017-12-22 | 山东赛托生物科技股份有限公司 | A kind of synthetic method of steroidal intermediate 5ST |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2966511D1 (en) * | 1978-07-31 | 1984-02-02 | Upjohn Co | Epoxypregnadienes, hydroxypregnatrienes, process for their preparation and process for their conversion to precursors of useful anti-inflammatory agents |
US4189430A (en) * | 1978-07-31 | 1980-02-19 | The Upjohn Company | Epoxide process |
-
1986
- 1986-12-29 HU HU549986A patent/HU198736B/en not_active IP Right Cessation
-
1987
- 1987-12-29 NL NL8703151A patent/NL8703151A/en not_active Application Discontinuation
- 1987-12-29 GB GB8730269A patent/GB2199325B/en not_active Expired - Fee Related
-
1988
- 1988-01-04 JP JP4788A patent/JPH0830076B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0830076B2 (en) | 1996-03-27 |
HU198736B (en) | 1989-11-28 |
GB8730269D0 (en) | 1988-02-03 |
JPS63190898A (en) | 1988-08-08 |
GB2199325A (en) | 1988-07-06 |
NL8703151A (en) | 1988-07-18 |
HUT46035A (en) | 1988-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19961229 |