3-Carbamoyloxymethyl-7-(amino-4-thiazolyl-acetamido)-cephalosporanic acid derivatives
US4205072A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1977 |
| Grant date | May 27, 1980 |
| Priority date | — |
| Expiry date | Feb 4, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and a group easily removable by acid hydrolysis or hydrogenolysis, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and A is selected from the group consisting of hydrogen, alkali metal, an equivalent of alkaline earth metal and magnesium and an organic amine base having antibiotic properties and a process for their preparation and novel intermediates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.