BE736481A - - Google Patents
Info
- Publication number
- BE736481A BE736481A BE736481DA BE736481A BE 736481 A BE736481 A BE 736481A BE 736481D A BE736481D A BE 736481DA BE 736481 A BE736481 A BE 736481A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79281569A | 1969-01-21 | 1969-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE736481A true BE736481A (US20110009641A1-20110113-C00185.png) | 1970-01-26 |
Family
ID=25158155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE736481D BE736481A (US20110009641A1-20110113-C00185.png) | 1969-01-21 | 1969-07-24 |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922268A (en) * | 1969-12-08 | 1975-11-25 | Lilly Co Eli | 3-Halomethyl-{66 {hu 3-Cephalosporin esters |
| US3887549A (en) * | 1971-11-19 | 1975-06-03 | Merck & Co Inc | Process for preparing 7-acylamido-7-methoxy-3-cephem-4-carboxylic acid, esters and salts |
| US3878203A (en) * | 1971-12-16 | 1975-04-15 | Merck & Co Inc | Method for the preparation of cephalosporin derivatives |
| US4459405A (en) * | 1982-11-16 | 1984-07-10 | Eli Lilly And Company | Desacetylcephalosporin sulfones |
-
1969
- 1969-01-21 US US792815*A patent/US3597421A/en not_active Expired - Lifetime
- 1969-06-30 ZA ZA694628*A patent/ZA694628B/xx unknown
- 1969-07-01 IE IE897/69A patent/IE33417B1/xx unknown
- 1969-07-03 IL IL32544A patent/IL32544A/xx unknown
- 1969-07-15 NL NL6910829A patent/NL6910829A/xx unknown
- 1969-07-21 DE DE19691937015 patent/DE1937015A1/de active Pending
- 1969-07-24 FR FR6925224A patent/FR2028747A1/fr active Pending
- 1969-07-24 BE BE736481D patent/BE736481A/xx not_active IP Right Cessation
- 1969-07-24 GB GB37373/69A patent/GB1260698A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA694628B (en) | 1971-02-24 |
| US3597421A (en) | 1971-08-03 |
| IE33417B1 (en) | 1974-06-26 |
| IL32544A (en) | 1974-05-16 |
| IL32544A0 (en) | 1969-09-25 |
| IE33417L (en) | 1970-07-21 |
| GB1260698A (en) | 1972-01-19 |
| FR2028747A1 (US20110009641A1-20110113-C00185.png) | 1970-10-16 |
| DE1937015A1 (de) | 1970-06-25 |
| NL6910829A (US20110009641A1-20110113-C00185.png) | 1970-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: ELI LILLY AND CY Effective date: 19890724 |