JPS52116456A - Preparation of 3-keto- #4-steroid - Google Patents
Preparation of 3-keto- #4-steroidInfo
- Publication number
- JPS52116456A JPS52116456A JP3297976A JP3297976A JPS52116456A JP S52116456 A JPS52116456 A JP S52116456A JP 3297976 A JP3297976 A JP 3297976A JP 3297976 A JP3297976 A JP 3297976A JP S52116456 A JPS52116456 A JP S52116456A
- Authority
- JP
- Japan
- Prior art keywords
- steroid
- keto
- preparation
- hydroxy
- yield
- 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
Landscapes
- Steroid Compounds (AREA)
Abstract
PURPOSE: To prepare 3-keto-▵4-steroid with 80W98% yield by the thermal catalytic dehydrogenation of 3-hydroxy-▵4, or ▵5-steroid in the presence of specific copper oxide catalyst under reduced pressure.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3297976A JPS52116456A (en) | 1976-03-25 | 1976-03-25 | Preparation of 3-keto- #4-steroid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3297976A JPS52116456A (en) | 1976-03-25 | 1976-03-25 | Preparation of 3-keto- #4-steroid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52116456A true JPS52116456A (en) | 1977-09-29 |
JPS6210239B2 JPS6210239B2 (en) | 1987-03-05 |
Family
ID=12373992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3297976A Granted JPS52116456A (en) | 1976-03-25 | 1976-03-25 | Preparation of 3-keto- #4-steroid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52116456A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7858603B2 (en) * | 2003-03-11 | 2010-12-28 | Trophos | Use of derivatives of cholest-4-en-3-one as medicaments, pharmaceutical compositions containing same, novel derivatives and preparation method thereof |
-
1976
- 1976-03-25 JP JP3297976A patent/JPS52116456A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7858603B2 (en) * | 2003-03-11 | 2010-12-28 | Trophos | Use of derivatives of cholest-4-en-3-one as medicaments, pharmaceutical compositions containing same, novel derivatives and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS6210239B2 (en) | 1987-03-05 |
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