FR2256920A1 - - Google Patents
Info
- Publication number
- FR2256920A1 FR2256920A1 FR7500138A FR7500138A FR2256920A1 FR 2256920 A1 FR2256920 A1 FR 2256920A1 FR 7500138 A FR7500138 A FR 7500138A FR 7500138 A FR7500138 A FR 7500138A FR 2256920 A1 FR2256920 A1 FR 2256920A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- C07D501/12—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20774 | 1974-01-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2256920A1 true FR2256920A1 (US06515009-20030204-C00004.png) | 1975-08-01 |
| FR2256920B3 FR2256920B3 (US06515009-20030204-C00004.png) | 1977-09-30 |
Family
ID=9700292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7500138A Expired FR2256920B3 (US06515009-20030204-C00004.png) | 1974-01-03 | 1975-01-03 |
Country Status (7)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS557438B2 (US06515009-20030204-C00004.png) * | 1974-02-22 | 1980-02-25 | ||
| FR2404642A1 (fr) * | 1977-09-29 | 1979-04-27 | Roussel Uclaf | Nouveau derive de la cephalosporine c, procede de preparation et application du nouveau produit a la preparation de l'acide 7-amino cephalosporanique |
| DE2748659A1 (de) * | 1977-10-29 | 1979-05-10 | Hoechst Ag | Verfahren zur gewinnung von cephalosporin c, seinen salzen und derivaten aus kulturfiltraten oder -loesungen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU603343A3 (ru) * | 1972-11-13 | 1978-04-15 | Эли Лилли Энд Компани (Фирма) | Способ очистки цефалоспорина с |
-
1974
- 1974-12-11 DE DE19742458554 patent/DE2458554A1/de active Pending
- 1974-12-24 NL NL7416838A patent/NL7416838A/xx unknown
- 1974-12-27 JP JP50002015A patent/JPS50100292A/ja active Pending
- 1974-12-30 US US05/537,487 patent/US3983109A/en not_active Expired - Lifetime
-
1975
- 1975-01-02 HU HULE766A patent/HU169098B/hu unknown
- 1975-01-03 BR BR46/75A patent/BR7500046A/pt unknown
- 1975-01-03 FR FR7500138A patent/FR2256920B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2256920B3 (US06515009-20030204-C00004.png) | 1977-09-30 |
| NL7416838A (nl) | 1975-07-07 |
| BR7500046A (pt) | 1975-11-04 |
| DE2458554A1 (de) | 1975-07-10 |
| US3983109A (en) | 1976-09-28 |
| JPS50100292A (US06515009-20030204-C00004.png) | 1975-08-08 |
| HU169098B (US06515009-20030204-C00004.png) | 1976-09-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |