ES439989A1 - Un procedimiento para la preparacion de compuestos de cefa- losporina. - Google Patents
Un procedimiento para la preparacion de compuestos de cefa- losporina.Info
- Publication number
- ES439989A1 ES439989A1 ES439989A ES439989A ES439989A1 ES 439989 A1 ES439989 A1 ES 439989A1 ES 439989 A ES439989 A ES 439989A ES 439989 A ES439989 A ES 439989A ES 439989 A1 ES439989 A1 ES 439989A1
- Authority
- ES
- Spain
- Prior art keywords
- formula
- hydrogen
- group
- see formula
- thienyl
- Prior art date
- 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.)
- Expired
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
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/36—Methylene radicals, substituted by sulfur atoms
-
- 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 |
---|---|---|---|
US49414874A | 1974-08-02 | 1974-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES439989A1 true ES439989A1 (es) | 1977-05-16 |
Family
ID=23963242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES439989A Expired ES439989A1 (es) | 1974-08-02 | 1975-08-02 | Un procedimiento para la preparacion de compuestos de cefa- losporina. |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE831787A (es) |
ES (1) | ES439989A1 (es) |
RO (1) | RO67533B (es) |
ZA (1) | ZA754959B (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4178443A (en) | 1977-06-03 | 1979-12-11 | Hoffmann-La Roche Inc. | Derivatives of 7 [-substituted oxyimins acetamido] cephalosporins |
-
1975
- 1975-07-25 RO RO82974A patent/RO67533B/ro unknown
- 1975-07-28 BE BE1006803A patent/BE831787A/fr not_active IP Right Cessation
- 1975-07-31 ZA ZA754959A patent/ZA754959B/xx unknown
- 1975-08-02 ES ES439989A patent/ES439989A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
RO67533A (ro) | 1984-03-15 |
AU8338875A (en) | 1977-12-16 |
ZA754959B (en) | 1977-03-30 |
BE831787A (fr) | 1976-01-28 |
RO67533B (ro) | 1984-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19980202 |