JPS5576899A - 24,24-difluoro-25-hydroxycholestene derivative or its hydroxy-protected derivative and its preparation - Google Patents
24,24-difluoro-25-hydroxycholestene derivative or its hydroxy-protected derivative and its preparationInfo
- Publication number
- JPS5576899A JPS5576899A JP14902878A JP14902878A JPS5576899A JP S5576899 A JPS5576899 A JP S5576899A JP 14902878 A JP14902878 A JP 14902878A JP 14902878 A JP14902878 A JP 14902878A JP S5576899 A JPS5576899 A JP S5576899A
- Authority
- JP
- Japan
- Prior art keywords
- difluoro
- derivative
- hydroxy
- preparation
- hydroxyl
- 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
- -1 24,24-difluoro-25-hydroxycholestene derivative Chemical class 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- LRNVEDCUBISUTC-OWRPZGOZSA-N 24,24-difluoro-25-hydroxyvitamin D3 Chemical compound C1(/[C@@H]2CCC([C@]2(CCC1)C)[C@@H](CCC(F)(F)C(C)(C)O)C)=C\C=C1\C[C@H](O)CCC1=C LRNVEDCUBISUTC-OWRPZGOZSA-N 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000012442 inert solvent Substances 0.000 abstract 1
- 239000000543 intermediate Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- QYSXJUFSXHHAJI-YRZJJWOYSA-N vitamin D3 Chemical class 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 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Steroid Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14902878A JPS5576899A (en) | 1978-12-04 | 1978-12-04 | 24,24-difluoro-25-hydroxycholestene derivative or its hydroxy-protected derivative and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14902878A JPS5576899A (en) | 1978-12-04 | 1978-12-04 | 24,24-difluoro-25-hydroxycholestene derivative or its hydroxy-protected derivative and its preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5576899A true JPS5576899A (en) | 1980-06-10 |
| JPS6244558B2 JPS6244558B2 (enrdf_load_stackoverflow) | 1987-09-21 |
Family
ID=15466084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14902878A Granted JPS5576899A (en) | 1978-12-04 | 1978-12-04 | 24,24-difluoro-25-hydroxycholestene derivative or its hydroxy-protected derivative and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5576899A (enrdf_load_stackoverflow) |
-
1978
- 1978-12-04 JP JP14902878A patent/JPS5576899A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6244558B2 (enrdf_load_stackoverflow) | 1987-09-21 |
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