CH618445A5 - - Google Patents
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- Publication number
- CH618445A5 CH618445A5 CH1167375A CH1167375A CH618445A5 CH 618445 A5 CH618445 A5 CH 618445A5 CH 1167375 A CH1167375 A CH 1167375A CH 1167375 A CH1167375 A CH 1167375A CH 618445 A5 CH618445 A5 CH 618445A5
- Authority
- CH
- Switzerland
- Prior art keywords
- acetylene
- formula
- reaction
- anion
- cyclo
- 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
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 |
---|---|---|---|
US05/508,640 US3959320A (en) | 1974-09-23 | 1974-09-23 | Process and compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
CH618445A5 true CH618445A5 (fr) | 1980-07-31 |
Family
ID=24023493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1167375A CH618445A5 (fr) | 1974-09-23 | 1975-09-09 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3959320A (fr) |
JP (1) | JPS5156444A (fr) |
CH (1) | CH618445A5 (fr) |
DE (1) | DE2540869A1 (fr) |
FR (2) | FR2289522A1 (fr) |
GB (1) | GB1502973A (fr) |
NL (1) | NL7511146A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4038272A (en) * | 1975-10-20 | 1977-07-26 | Hoffmann-La Roche Inc. | Stereospecific syntheses of 24r,25- and 24s,25-dihydroxycholesterol and alkanoyl derivatives thereof |
JPS5371056A (en) * | 1976-12-08 | 1978-06-24 | Chugai Pharmaceut Co Ltd | Steroid derivs. |
US4218489A (en) * | 1977-06-08 | 1980-08-19 | Z-L Limited Partnership | Antioxidants, antioxidant compositions and methods of preparing and using same |
US4157984A (en) * | 1977-06-08 | 1979-06-12 | Z-L Limited | Antioxidants, antioxidant compositions and methods of preparing and using same |
US4226787A (en) * | 1978-07-26 | 1980-10-07 | Wisconsin Alumni Research Foundation | Fluorovitamin D compounds and processes for their preparation |
US4229358A (en) * | 1978-07-26 | 1980-10-21 | Wisconsin Alumni Research Foundation | Fluorovitamin D compounds and processes for their preparation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3152152A (en) * | 1962-06-21 | 1964-10-06 | Upjohn Co | 24-dehydro cholesterol analogs and the process for the preparation thereof |
US3822254A (en) * | 1973-05-21 | 1974-07-02 | Hoffmann La Roche | Synthesis of 25-hydroxycholesterol |
-
1974
- 1974-09-23 US US05/508,640 patent/US3959320A/en not_active Expired - Lifetime
-
1975
- 1975-08-20 GB GB34579/75A patent/GB1502973A/en not_active Expired
- 1975-09-08 JP JP50108129A patent/JPS5156444A/ja active Pending
- 1975-09-09 CH CH1167375A patent/CH618445A5/de not_active IP Right Cessation
- 1975-09-13 DE DE19752540869 patent/DE2540869A1/de not_active Withdrawn
- 1975-09-22 NL NL7511146A patent/NL7511146A/xx not_active Application Discontinuation
- 1975-09-22 FR FR7529014A patent/FR2289522A1/fr active Granted
-
1976
- 1976-04-26 FR FR7612269A patent/FR2296645A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5156444A (en) | 1976-05-18 |
DE2540869A1 (de) | 1976-04-01 |
FR2296645A1 (fr) | 1976-07-30 |
FR2289522B1 (fr) | 1979-06-22 |
GB1502973A (en) | 1978-03-08 |
FR2296645B1 (fr) | 1979-07-13 |
FR2289522A1 (fr) | 1976-05-28 |
US3959320A (en) | 1976-05-25 |
NL7511146A (nl) | 1976-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |