BE811634A - Procede pour introduire du fluor en position 21 de 20-oxo-steroides - Google Patents
Procede pour introduire du fluor en position 21 de 20-oxo-steroidesInfo
- Publication number
- BE811634A BE811634A BE141442A BE141442A BE811634A BE 811634 A BE811634 A BE 811634A BE 141442 A BE141442 A BE 141442A BE 141442 A BE141442 A BE 141442A BE 811634 A BE811634 A BE 811634A
- Authority
- BE
- Belgium
- Prior art keywords
- steroids
- oxo
- introducing fluorine
- fluorine
- introducing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH295173A CH579105A5 (fr) | 1973-02-28 | 1973-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE811634A true BE811634A (fr) | 1974-08-27 |
Family
ID=4245308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE141442A BE811634A (fr) | 1973-02-28 | 1974-02-27 | Procede pour introduire du fluor en position 21 de 20-oxo-steroides |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3890303A (fr) |
| JP (1) | JPS49134668A (fr) |
| BE (1) | BE811634A (fr) |
| CH (1) | CH579105A5 (fr) |
| DE (1) | DE2407778A1 (fr) |
| DK (1) | DK135133B (fr) |
| FR (1) | FR2218898B1 (fr) |
| GB (1) | GB1457665A (fr) |
| NL (1) | NL7402273A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9791138B1 (en) | 2014-12-16 | 2017-10-17 | Designs For Vision, Inc. | Cordless LED headlight and control thereof |
| US10240769B1 (en) | 2014-12-16 | 2019-03-26 | Designs For Vision, Inc. | Cordless LED headlight and control thereof |
-
1973
- 1973-02-28 CH CH295173A patent/CH579105A5/xx not_active IP Right Cessation
-
1974
- 1974-02-15 US US443054A patent/US3890303A/en not_active Expired - Lifetime
- 1974-02-19 DE DE19742407778 patent/DE2407778A1/de active Pending
- 1974-02-19 NL NL7402273A patent/NL7402273A/xx not_active Application Discontinuation
- 1974-02-26 FR FR7406453A patent/FR2218898B1/fr not_active Expired
- 1974-02-26 GB GB862074A patent/GB1457665A/en not_active Expired
- 1974-02-27 BE BE141442A patent/BE811634A/fr unknown
- 1974-02-27 DK DK104674AA patent/DK135133B/da unknown
- 1974-02-28 JP JP49022963A patent/JPS49134668A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2218898B1 (fr) | 1977-11-04 |
| CH579105A5 (fr) | 1976-08-31 |
| NL7402273A (fr) | 1974-08-30 |
| FR2218898A1 (fr) | 1974-09-20 |
| DK135133B (da) | 1977-03-07 |
| JPS49134668A (fr) | 1974-12-25 |
| US3890303A (en) | 1975-06-17 |
| GB1457665A (en) | 1976-12-08 |
| DK135133C (fr) | 1977-08-08 |
| DE2407778A1 (de) | 1974-08-29 |
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