ES446130A1 - A procedure for the preparation of new derivatives of 2-alkyl (bottom) -2 or 3-cefem-4-carboxylic acid. (Machine-translation by Google Translate, not legally binding) - Google Patents
A procedure for the preparation of new derivatives of 2-alkyl (bottom) -2 or 3-cefem-4-carboxylic acid. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES446130A1 ES446130A1 ES446130A ES446130A ES446130A1 ES 446130 A1 ES446130 A1 ES 446130A1 ES 446130 A ES446130 A ES 446130A ES 446130 A ES446130 A ES 446130A ES 446130 A1 ES446130 A1 ES 446130A1
- Authority
- ES
- Spain
- Prior art keywords
- alkyl
- translation
- procedure
- preparation
- carboxylic acid
- 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
Landscapes
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
A procedure for the preparation of new derivatives of 2-lower (alkyl) -2 or 3-cephem-4-carboxylic acid, of general formula: **(See formula)** where R1 is amino or substituted amino; R2 is carboxy or protected carboxy and R3 is lower alkyl, or a pharmaceutically acceptable salt thereof, the process of which is to reduce a compound of the general formula: **(See formula)** where R1, R2 and R3 are as defined above. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3071873A JPS5930715B2 (en) | 1973-03-15 | 1973-03-15 | Method for producing 2-alkyl-7-substituted-2 (or 3)-cephem-4-carboxylic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES446130A1 true ES446130A1 (en) | 1977-06-16 |
Family
ID=12311414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES446130A Expired ES446130A1 (en) | 1973-03-15 | 1976-03-16 | A procedure for the preparation of new derivatives of 2-alkyl (bottom) -2 or 3-cefem-4-carboxylic acid. (Machine-translation by Google Translate, not legally binding) |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5930715B2 (en) |
| AT (1) | AT329750B (en) |
| CS (1) | CS187411B2 (en) |
| ES (1) | ES446130A1 (en) |
| IT (1) | IT1058283B (en) |
| SU (1) | SU664567A3 (en) |
| ZA (1) | ZA7401698D (en) |
-
1973
- 1973-03-15 JP JP3071873A patent/JPS5930715B2/en not_active Expired
-
1974
- 1974-03-14 ZA ZA19741698D patent/ZA7401698D/en unknown
- 1974-03-14 AT AT212274A patent/AT329750B/en not_active IP Right Cessation
- 1974-03-15 SU SU742018552A patent/SU664567A3/en active
- 1974-03-15 CS CS189674A patent/CS187411B2/en unknown
- 1974-04-08 IT IT2088274A patent/IT1058283B/en active
-
1976
- 1976-03-16 ES ES446130A patent/ES446130A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SU664567A3 (en) | 1979-05-25 |
| CS187411B2 (en) | 1979-01-31 |
| IT1058283B (en) | 1982-04-10 |
| JPS49116088A (en) | 1974-11-06 |
| ZA7401698D (en) | 1975-01-29 |
| AT329750B (en) | 1975-08-15 |
| ATA212274A (en) | 1975-08-15 |
| JPS5930715B2 (en) | 1984-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19980202 |