7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds
US5373000A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1992 |
| Grant date | Dec 13, 1994 |
| Priority date | — |
| Expiry date | Apr 1, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A cephalosporin derivative represented by the formula: ##STR1## wherein R.sub.1 represents a lower alkyl group, and A is selected from: a group of the following formula: ##STR2## where R.sub.2 and R.sub.3 are the same or different lower alkyl group, R.sub.4 represents a substituted lower alkyl or amino group; a group which may be substituted and which is represented by the following formula: ##STR3## where R.sub.5 represents a lower alkyl group; or a group of the following formula: ##STR4## where R.sub.5 is as defined above, R.sub.6 represents a hydroxyl lower alkyl or carboxyl group, or its pharmacologically acceptable salt, and a process for preparing the same, as well as an antibacterial agent containing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.