BE821646A - Nouveaux composes intermediaires de cephalosporines et leur procede de preparation - Google Patents
Nouveaux composes intermediaires de cephalosporines et leur procede de preparationInfo
- Publication number
- BE821646A BE821646A BE150027A BE150027A BE821646A BE 821646 A BE821646 A BE 821646A BE 150027 A BE150027 A BE 150027A BE 150027 A BE150027 A BE 150027A BE 821646 A BE821646 A BE 821646A
- Authority
- BE
- Belgium
- Prior art keywords
- cephalosporins
- preparation process
- intermediate compounds
- new intermediate
- new
- Prior art date
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
-
- 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)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41400873A | 1973-11-08 | 1973-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE821646A true BE821646A (fr) | 1975-04-29 |
Family
ID=23639573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE150027A BE821646A (fr) | 1973-11-08 | 1974-10-29 | Nouveaux composes intermediaires de cephalosporines et leur procede de preparation |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS6123193B2 (xx) |
BE (1) | BE821646A (xx) |
CH (1) | CH593984A5 (xx) |
FR (1) | FR2250758B1 (xx) |
GB (1) | GB1439890A (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3173613D1 (en) * | 1980-07-04 | 1986-03-13 | Fujisawa Pharmaceutical Co | 7-oxo-cephalosporins and 6-oxo-penicillins, their analogues and process for their preparation |
JPH0256488A (ja) * | 1989-07-13 | 1990-02-26 | Fujisawa Pharmaceut Co Ltd | オキソ基を有するアゼチジノン化合物もしくはその塩類またはその水化物 |
-
1974
- 1974-10-29 BE BE150027A patent/BE821646A/xx not_active IP Right Cessation
- 1974-11-04 GB GB4766474A patent/GB1439890A/en not_active Expired
- 1974-11-05 CH CH1478274A patent/CH593984A5/xx not_active IP Right Cessation
- 1974-11-06 JP JP49128493A patent/JPS6123193B2/ja not_active Expired
- 1974-11-07 FR FR7436912A patent/FR2250758B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2250758B1 (xx) | 1978-05-05 |
CH593984A5 (xx) | 1977-12-30 |
FR2250758A1 (xx) | 1975-06-06 |
JPS6123193B2 (xx) | 1986-06-04 |
JPS5077389A (xx) | 1975-06-24 |
GB1439890A (en) | 1976-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SMITHKLINE CORP. Effective date: 19861031 |