JPS51149258A - A process for preparing steroid derivatives - Google Patents
A process for preparing steroid derivativesInfo
- Publication number
- JPS51149258A JPS51149258A JP7355075A JP7355075A JPS51149258A JP S51149258 A JPS51149258 A JP S51149258A JP 7355075 A JP7355075 A JP 7355075A JP 7355075 A JP7355075 A JP 7355075A JP S51149258 A JPS51149258 A JP S51149258A
- Authority
- JP
- Japan
- Prior art keywords
- steroid derivatives
- preparing steroid
- preparing
- dien
- dione
- 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.)
- Granted
Links
Abstract
PURPOSE: 17α,21-Diacyloxy1-9α-fluoro-11β-hydroxy-16α-methylpregna 1,4-dien-3,20-dione of formula I(where R1 and R2 are alkyls), for instance,9αfluoro 11β-hydroxy-16α-methyl-17α,21-(1'-ethoxy-1'-propylidenedioxy)pregna-1,4-dien-8,20-dione.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7355075A JPS5855158B2 (en) | 1975-06-16 | 1975-06-16 | Method for producing steroid derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7355075A JPS5855158B2 (en) | 1975-06-16 | 1975-06-16 | Method for producing steroid derivatives |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51149258A true JPS51149258A (en) | 1976-12-22 |
JPS5855158B2 JPS5855158B2 (en) | 1983-12-08 |
Family
ID=13521444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7355075A Expired JPS5855158B2 (en) | 1975-06-16 | 1975-06-16 | Method for producing steroid derivatives |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5855158B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0170500A2 (en) * | 1984-07-25 | 1986-02-05 | Hovione Inter Ltd. | Novel 9 alpha-fluoro- or chloro-corticosteroid esters and a process for their preparation |
EP0393658A2 (en) * | 1989-04-19 | 1990-10-24 | Ss Pharmaceutical Co., Ltd. | Novel steroid derivatives |
JP7106773B1 (en) * | 2022-01-25 | 2022-07-26 | 同仁医薬化工株式会社 | Method for producing steroid 17α,21-diesters |
-
1975
- 1975-06-16 JP JP7355075A patent/JPS5855158B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0170500A2 (en) * | 1984-07-25 | 1986-02-05 | Hovione Inter Ltd. | Novel 9 alpha-fluoro- or chloro-corticosteroid esters and a process for their preparation |
EP0393658A2 (en) * | 1989-04-19 | 1990-10-24 | Ss Pharmaceutical Co., Ltd. | Novel steroid derivatives |
EP0393658B1 (en) * | 1989-04-19 | 1995-03-22 | Ss Pharmaceutical Co., Ltd. | Novel steroid derivatives |
JP7106773B1 (en) * | 2022-01-25 | 2022-07-26 | 同仁医薬化工株式会社 | Method for producing steroid 17α,21-diesters |
Also Published As
Publication number | Publication date |
---|---|
JPS5855158B2 (en) | 1983-12-08 |
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