BE812282A - Procede de preparation de derives de l'ester de l'acide cephalosporanique - Google Patents
Procede de preparation de derives de l'ester de l'acide cephalosporaniqueInfo
- Publication number
- BE812282A BE812282A BE2053473A BE2053473A BE812282A BE 812282 A BE812282 A BE 812282A BE 2053473 A BE2053473 A BE 2053473A BE 2053473 A BE2053473 A BE 2053473A BE 812282 A BE812282 A BE 812282A
- Authority
- BE
- Belgium
- Prior art keywords
- preparation
- acid ester
- ester derivatives
- cephalosporanic acid
- cephalosporanic
- 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
- C07D501/14—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
- C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3
-
- 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 |
---|---|---|---|
JP48029703A JPS49116087A (fr) | 1973-03-14 | 1973-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE812282A true BE812282A (fr) | 1974-07-01 |
Family
ID=12283456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2053473A BE812282A (fr) | 1973-03-14 | 1974-03-14 | Procede de preparation de derives de l'ester de l'acide cephalosporanique |
Country Status (5)
Country | Link |
---|---|
US (1) | US3953437A (fr) |
JP (1) | JPS49116087A (fr) |
BE (1) | BE812282A (fr) |
DE (1) | DE2410426A1 (fr) |
GB (1) | GB1452205A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061862A (en) * | 1975-10-06 | 1977-12-06 | Bristol-Myers Company | Derivatives of 7-(cyclized)phenylglycyl-3-triazolo-thio methyl cephalosporin |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2237866A (en) * | 1938-03-21 | 1941-04-08 | Melle Usines Sa | Preparation of diolefins |
US3641014A (en) * | 1968-10-03 | 1972-02-08 | Lilly Co Eli | Reduction of delta**3-cephalosporin sulfoxides |
US3660396A (en) * | 1970-03-04 | 1972-05-02 | Lilly Co Eli | Cephalosporin intermediates and process therefor |
US3660395A (en) * | 1970-03-04 | 1972-05-02 | Lilly Co Eli | Thioether cephalosporin compounds |
-
1973
- 1973-03-14 JP JP48029703A patent/JPS49116087A/ja active Pending
-
1974
- 1974-03-05 DE DE2410426A patent/DE2410426A1/de active Pending
- 1974-03-07 GB GB1029874A patent/GB1452205A/en not_active Expired
- 1974-03-08 US US05/449,374 patent/US3953437A/en not_active Expired - Lifetime
- 1974-03-14 BE BE2053473A patent/BE812282A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB1452205A (en) | 1976-10-13 |
US3953437A (en) | 1976-04-27 |
JPS49116087A (fr) | 1974-11-06 |
DE2410426A1 (de) | 1974-09-19 |
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