JPS51122054A - A method for preparing 7- dehydrocholesterol - Google Patents
A method for preparing 7- dehydrocholesterolInfo
- Publication number
- JPS51122054A JPS51122054A JP4420075A JP4420075A JPS51122054A JP S51122054 A JPS51122054 A JP S51122054A JP 4420075 A JP4420075 A JP 4420075A JP 4420075 A JP4420075 A JP 4420075A JP S51122054 A JPS51122054 A JP S51122054A
- Authority
- JP
- Japan
- Prior art keywords
- dehydrocholesterol
- preparing
- dehydrobromination
- vitamin
- catalyst
- 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.)
- Pending
Links
Landscapes
- Steroid Compounds (AREA)
Abstract
PURPOSE: 7-Dehydrocholesterol, which is an intermediate for vitamin D3, is prepared in good yield by the use of a trivalent organophosphorous compound as catalyst of dehydrobromination.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4420075A JPS51122054A (en) | 1975-04-14 | 1975-04-14 | A method for preparing 7- dehydrocholesterol |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4420075A JPS51122054A (en) | 1975-04-14 | 1975-04-14 | A method for preparing 7- dehydrocholesterol |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51122054A true JPS51122054A (en) | 1976-10-25 |
Family
ID=12684919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4420075A Pending JPS51122054A (en) | 1975-04-14 | 1975-04-14 | A method for preparing 7- dehydrocholesterol |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51122054A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58124800A (en) * | 1982-01-14 | 1983-07-25 | デユフアル・インテルナチオナル・レセ−ルフ・ベ−・ヴエ− | Manufacture of delta 5,7-steroid |
-
1975
- 1975-04-14 JP JP4420075A patent/JPS51122054A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58124800A (en) * | 1982-01-14 | 1983-07-25 | デユフアル・インテルナチオナル・レセ−ルフ・ベ−・ヴエ− | Manufacture of delta 5,7-steroid |
JPH037678B2 (en) * | 1982-01-14 | 1991-02-04 | Duphar Int Res |
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