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
- QYSXJUFSXHHAJI-YRZJJWOYSA-N vitamin D3 Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)CCC1=C QYSXJUFSXHHAJI-YRZJJWOYSA-N 0.000 title abstract 3
- UCTLRSWJYQTBFZ-UHFFFAOYSA-N Dehydrocholesterol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)CCCC(C)C)CCC33)C)C3=CC=C21 UCTLRSWJYQTBFZ-UHFFFAOYSA-N 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000007269 dehydrobromination reaction Methods 0.000 abstract 1
- 150000002903 organophosphorus compounds Chemical class 0.000 abstract 1
- 239000011647 vitamin D3 Substances 0.000 abstract 1
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 (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 |
| CN101486748B (en) | 2008-01-15 | 2011-11-02 | 浙江新和成股份有限公司 | Preparation method of preparation of 5,7-diene cholesterol |
-
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 |
| CN101486748B (en) | 2008-01-15 | 2011-11-02 | 浙江新和成股份有限公司 | Preparation method of preparation of 5,7-diene cholesterol |
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