CH553763A - Verfahren zur herstellung von 7(beta)-methylsteroiden. - Google Patents
Verfahren zur herstellung von 7(beta)-methylsteroiden.Info
- Publication number
- CH553763A CH553763A CH1747368A CH1747368A CH553763A CH 553763 A CH553763 A CH 553763A CH 1747368 A CH1747368 A CH 1747368A CH 1747368 A CH1747368 A CH 1747368A CH 553763 A CH553763 A CH 553763A
- Authority
- CH
- Switzerland
- Prior art keywords
- beta
- preparation
- methyl steroids
- steroids
- methyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
- C07J53/002—Carbocyclic rings fused
- C07J53/004—3 membered carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J75/00—Processes for the preparation of steroids in general
-
- 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 |
---|---|---|---|
DE19671643054 DE1643054C3 (de) | 1967-12-07 | 1967-12-07 | 1 alpha,2alpha-Methylen-4-chlor-DeHa hoch 4- bzw. Delta hoch 4,6 -7-methyl-Verbindungen der Pregnan-relhe, Verfahren zu ihrer Herstellung sowie diese enthaltende Arzneimittel |
Publications (1)
Publication Number | Publication Date |
---|---|
CH553763A true CH553763A (de) | 1974-09-13 |
Family
ID=5684250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1747368A CH553763A (de) | 1967-12-07 | 1968-11-22 | Verfahren zur herstellung von 7(beta)-methylsteroiden. |
Country Status (12)
Country | Link |
---|---|
US (1) | US3562259A (cs) |
AT (1) | AT282840B (cs) |
BE (1) | BE725034A (cs) |
BR (1) | BR6804696D0 (cs) |
CH (1) | CH553763A (cs) |
CS (1) | CS150233B2 (cs) |
DK (1) | DK122276B (cs) |
ES (1) | ES361166A1 (cs) |
FR (1) | FR1598339A (cs) |
GB (1) | GB1252263A (cs) |
IL (1) | IL31070A (cs) |
SE (1) | SE344943B (cs) |
-
1968
- 1968-11-14 IL IL31070A patent/IL31070A/xx unknown
- 1968-11-18 AT AT1120168A patent/AT282840B/de not_active IP Right Cessation
- 1968-11-22 CH CH1747368A patent/CH553763A/xx not_active IP Right Cessation
- 1968-12-02 GB GB5707568A patent/GB1252263A/en not_active Expired
- 1968-12-03 US US780872A patent/US3562259A/en not_active Expired - Lifetime
- 1968-12-03 DK DK590168AA patent/DK122276B/da unknown
- 1968-12-06 ES ES361166A patent/ES361166A1/es not_active Expired
- 1968-12-06 BE BE725034D patent/BE725034A/xx unknown
- 1968-12-06 CS CS8337A patent/CS150233B2/cs unknown
- 1968-12-06 BR BR204696/68A patent/BR6804696D0/pt unknown
- 1968-12-06 SE SE16759/68A patent/SE344943B/xx unknown
- 1968-12-06 FR FR176958A patent/FR1598339A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IL31070A0 (en) | 1969-01-29 |
AT282840B (de) | 1970-07-10 |
ES361166A1 (es) | 1970-10-16 |
BR6804696D0 (pt) | 1973-01-11 |
CS150233B2 (cs) | 1973-09-04 |
DK122276B (da) | 1972-02-14 |
FR1598339A (cs) | 1970-07-06 |
GB1252263A (cs) | 1971-11-03 |
IL31070A (en) | 1975-02-10 |
BE725034A (cs) | 1969-06-06 |
SE344943B (cs) | 1972-05-08 |
US3562259A (en) | 1971-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |