PT74164B - Process for preparing 7-beta-amino-3-cephem-4-carboxylic acid compound - Google Patents
Process for preparing 7-beta-amino-3-cephem-4-carboxylic acid compoundInfo
- Publication number
- PT74164B PT74164B PT74164A PT7416481A PT74164B PT 74164 B PT74164 B PT 74164B PT 74164 A PT74164 A PT 74164A PT 7416481 A PT7416481 A PT 7416481A PT 74164 B PT74164 B PT 74164B
- Authority
- PT
- Portugal
- Prior art keywords
- cephem
- beta
- amino
- preparing
- carboxylic acid
- 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
- 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
-
- 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
- C07D501/59—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3 with hetero atoms directly attached in position 3
-
- 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 |
---|---|---|---|
CH946880 | 1980-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
PT74164A PT74164A (en) | 1982-01-01 |
PT74164B true PT74164B (en) | 1984-01-05 |
Family
ID=4352311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT74164A PT74164B (en) | 1980-12-22 | 1981-12-21 | Process for preparing 7-beta-amino-3-cephem-4-carboxylic acid compound |
Country Status (6)
Country | Link |
---|---|
US (1) | US4436903A (pt) |
EP (1) | EP0055217A3 (pt) |
JP (1) | JPS57128690A (pt) |
DK (1) | DK567481A (pt) |
ES (1) | ES508195A1 (pt) |
PT (1) | PT74164B (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4820832A (en) * | 1988-03-23 | 1989-04-11 | Eli Lilly And Company | Process for preparing 3-unsubstituted cephalosporins and 1-carba(dethia)cephalosporins |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1479711A (en) * | 1973-06-12 | 1977-07-13 | Beecham Group Ltd | Acylureido cephalosporins |
AT342197B (de) * | 1975-02-20 | 1978-03-28 | Ciba Geigy Ag | Neues verfahren zur herstellung von 3-cephemverbindungen |
US4013651A (en) * | 1975-05-12 | 1977-03-22 | Eli Lilly And Company | 3-substituted amino-cephalosporins |
-
1981
- 1981-12-11 US US06/329,916 patent/US4436903A/en not_active Expired - Fee Related
- 1981-12-16 EP EP81810502A patent/EP0055217A3/de not_active Withdrawn
- 1981-12-21 DK DK567481A patent/DK567481A/da not_active Application Discontinuation
- 1981-12-21 ES ES508195A patent/ES508195A1/es not_active Expired
- 1981-12-21 PT PT74164A patent/PT74164B/pt unknown
- 1981-12-22 JP JP56206298A patent/JPS57128690A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
PT74164A (en) | 1982-01-01 |
EP0055217A3 (de) | 1983-07-13 |
DK567481A (da) | 1982-06-23 |
JPS57128690A (en) | 1982-08-10 |
EP0055217A2 (de) | 1982-06-30 |
JPH0354109B2 (pt) | 1991-08-19 |
ES508195A1 (es) | 1985-12-16 |
US4436903A (en) | 1984-03-13 |
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