CH567447A5 - - Google Patents
Info
- Publication number
- CH567447A5 CH567447A5 CH1923871A CH1923871A CH567447A5 CH 567447 A5 CH567447 A5 CH 567447A5 CH 1923871 A CH1923871 A CH 1923871A CH 1923871 A CH1923871 A CH 1923871A CH 567447 A5 CH567447 A5 CH 567447A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/72—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 spiro-condensed with carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
- C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
- C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
- C07C2603/16—Benz[e]indenes; Hydrogenated benz[e]indenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12212871A | 1971-03-08 | 1971-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH567447A5 true CH567447A5 (OSRAM) | 1975-10-15 |
Family
ID=22400817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1923871A CH567447A5 (OSRAM) | 1971-03-08 | 1971-12-31 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3793374A (OSRAM) |
| CH (1) | CH567447A5 (OSRAM) |
| DE (1) | DE2206130A1 (OSRAM) |
| FR (1) | FR2129392A5 (OSRAM) |
| GB (1) | GB1337893A (OSRAM) |
| IL (1) | IL38530A0 (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880911A (en) * | 1967-11-02 | 1975-04-29 | Hoffmann La Roche | Des-A steroidal intermediates |
| US3984474A (en) * | 1975-05-30 | 1976-10-05 | E. R. Squibb & Sons, Inc. | 4,5-Secoandrostanes |
| JPS5538316A (en) * | 1978-09-08 | 1980-03-17 | Takeda Chem Ind Ltd | Intermediate for synthesis of steroid and its preparation |
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1971
- 1971-03-08 US US00122128A patent/US3793374A/en not_active Expired - Lifetime
- 1971-12-31 CH CH1923871A patent/CH567447A5/xx not_active IP Right Cessation
-
1972
- 1972-01-10 IL IL38530A patent/IL38530A0/xx unknown
- 1972-02-09 DE DE19722206130 patent/DE2206130A1/de active Pending
- 1972-02-15 FR FR7204984A patent/FR2129392A5/fr not_active Expired
- 1972-03-08 GB GB1074272A patent/GB1337893A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2129392A5 (OSRAM) | 1972-10-27 |
| GB1337893A (en) | 1973-11-21 |
| DE2206130A1 (de) | 1972-09-21 |
| IL38530A0 (en) | 1972-03-28 |
| US3793374A (en) | 1974-02-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |