BE725269A - - Google Patents
Info
- Publication number
- BE725269A BE725269A BE725269DA BE725269A BE 725269 A BE725269 A BE 725269A BE 725269D A BE725269D A BE 725269DA BE 725269 A BE725269 A BE 725269A
- Authority
- BE
- Belgium
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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J75/00—Processes for the preparation of steroids in general
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- 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
- 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 |
|---|---|---|---|
| DE19671668444 DE1668444A1 (en) | 1967-12-13 | 1967-12-13 | AEther of the Pregnan Series and Process for Their Production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE725269A true BE725269A (en) | 1969-06-11 |
Family
ID=5686107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE725269D BE725269A (en) | 1967-12-13 | 1968-12-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3597453A (en) |
| AT (1) | AT292209B (en) |
| BE (1) | BE725269A (en) |
| BR (1) | BR6804629D0 (en) |
| ES (1) | ES361360A1 (en) |
| FR (1) | FR8163M (en) |
| GB (1) | GB1183899A (en) |
-
1968
- 1968-10-28 AT AT1050868A patent/AT292209B/en not_active IP Right Cessation
- 1968-11-13 GB GB53886/68A patent/GB1183899A/en not_active Expired
- 1968-11-21 FR FR174646A patent/FR8163M/fr not_active Expired
- 1968-12-04 US US781269A patent/US3597453A/en not_active Expired - Lifetime
- 1968-12-05 BR BR204629/68A patent/BR6804629D0/en unknown
- 1968-12-11 BE BE725269D patent/BE725269A/xx unknown
- 1968-12-12 ES ES361360A patent/ES361360A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT292209B (en) | 1971-08-25 |
| FR8163M (en) | 1970-08-24 |
| BR6804629D0 (en) | 1973-01-11 |
| GB1183899A (en) | 1970-03-11 |
| ES361360A1 (en) | 1970-08-16 |
| US3597453A (en) | 1971-08-03 |