JPS5265262A - Synthesis of 1alpha acyloxy-provitamine d compounds - Google Patents
Synthesis of 1alpha acyloxy-provitamine d compoundsInfo
- Publication number
- JPS5265262A JPS5265262A JP14121375A JP14121375A JPS5265262A JP S5265262 A JPS5265262 A JP S5265262A JP 14121375 A JP14121375 A JP 14121375A JP 14121375 A JP14121375 A JP 14121375A JP S5265262 A JPS5265262 A JP S5265262A
- Authority
- JP
- Japan
- Prior art keywords
- provitamine
- acyloxy
- compounds
- 1alpha
- synthesis
- 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
Abstract
PURPOSE: 1α-Acyloxy-provitamine D compounds,useful as intermediate of active vitamine D3 or the like, are obtained in high yield by bromination of cholesterol derivatives followed by dehydrobromination in the presence of a specific compound.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14121375A JPS5265262A (en) | 1975-11-27 | 1975-11-27 | Synthesis of 1alpha acyloxy-provitamine d compounds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14121375A JPS5265262A (en) | 1975-11-27 | 1975-11-27 | Synthesis of 1alpha acyloxy-provitamine d compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5265262A true JPS5265262A (en) | 1977-05-30 |
Family
ID=15286760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14121375A Pending JPS5265262A (en) | 1975-11-27 | 1975-11-27 | Synthesis of 1alpha acyloxy-provitamine d compounds |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5265262A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4862750A (en) * | 1971-12-02 | 1973-09-01 | ||
JPS4995956A (en) * | 1973-01-10 | 1974-09-11 | ||
JPS5330708A (en) * | 1976-09-02 | 1978-03-23 | Agency Of Ind Science & Technol | Cooling device for electric rotary machine |
JPS5330709A (en) * | 1976-08-17 | 1978-03-23 | Westinghouse Electric Corp | Superconductive rotary machine |
-
1975
- 1975-11-27 JP JP14121375A patent/JPS5265262A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4862750A (en) * | 1971-12-02 | 1973-09-01 | ||
JPS4995956A (en) * | 1973-01-10 | 1974-09-11 | ||
JPS5330709A (en) * | 1976-08-17 | 1978-03-23 | Westinghouse Electric Corp | Superconductive rotary machine |
JPS5330708A (en) * | 1976-09-02 | 1978-03-23 | Agency Of Ind Science & Technol | Cooling device for electric rotary machine |
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