JPS5652906B2 - - Google Patents
Info
- Publication number
- JPS5652906B2 JPS5652906B2 JP3377073A JP3377073A JPS5652906B2 JP S5652906 B2 JPS5652906 B2 JP S5652906B2 JP 3377073 A JP3377073 A JP 3377073A JP 3377073 A JP3377073 A JP 3377073A JP S5652906 B2 JPS5652906 B2 JP S5652906B2
- Authority
- JP
- Japan
- 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
- C07D501/02—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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3377073A JPS5652906B2 (en) | 1973-03-24 | 1973-03-24 | |
| CA189,867A CA1031768A (en) | 1973-01-17 | 1974-01-10 | Process for preparing 3-substituted methyl-2 or 3-cephem-4-carboxylic acids |
| ES422343A ES422343A1 (en) | 1973-01-17 | 1974-01-16 | A procedure for preparing 3-substitute methyl-2 or 3-cefem-4- carboxylic acids. (Machine-translation by Google Translate, not legally binding) |
| CH64074A CH613972A5 (en) | 1973-01-17 | 1974-01-17 | Process for the preparation of 2- or 3-cephem-4-carboxylic acids with a substituted methyl radical in position 3 |
| AT922075A AT347035B (en) | 1973-03-24 | 1975-12-04 | PROCESS FOR THE PRODUCTION OF ANTIBACTERIALLY EFFECTIVE 3-SUBSTITUTED MEHTYL-3-CEPHEM-4-CARBONIC ACIDS |
| ES445255A ES445255A1 (en) | 1973-03-24 | 1976-02-17 | A procedure for the preparation of 3-substitute methyl-2 or 3cefem-4-carboxylic acids. (Machine-translation by Google Translate, not legally binding) |
| CH971779A CH635105A5 (en) | 1973-03-24 | 1979-10-30 | Process for the preparation of 2- or 3-cephem-4-carboxylic acids bearing a substituted methyl radical in the 3-position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3377073A JPS5652906B2 (en) | 1973-03-24 | 1973-03-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49117487A JPS49117487A (en) | 1974-11-09 |
| JPS5652906B2 true JPS5652906B2 (en) | 1981-12-15 |
Family
ID=12395671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3377073A Expired JPS5652906B2 (en) | 1973-01-17 | 1973-03-24 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5652906B2 (en) |
| CH (1) | CH635105A5 (en) |
| ES (1) | ES445255A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3173499D1 (en) * | 1980-09-02 | 1986-02-27 | Asahi Chemical Ind | Novel thioesters and process for the preparation of the same |
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1973
- 1973-03-24 JP JP3377073A patent/JPS5652906B2/ja not_active Expired
-
1976
- 1976-02-17 ES ES445255A patent/ES445255A1/en not_active Expired
-
1979
- 1979-10-30 CH CH971779A patent/CH635105A5/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH635105A5 (en) | 1983-03-15 |
| JPS49117487A (en) | 1974-11-09 |
| ES445255A1 (en) | 1977-10-16 |