Cephalosporin analogues and compositions
US4108992A · kind A · utility
5Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1977 |
| Grant date | Aug 22, 1978 |
| Priority date | — |
| Expiry date | Feb 7, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/568
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel cephalosporin analogues, salts and esters thereof, their preparation, intermediates and antibacterial compositions containing them. The compositions are formulated for human use into unit dosage form containing 100-4,000 mg of antibacterial compound. The cephem analogues are characterized by having a ring O-heteroatom instead of a ring N-heteroatom and are designated as oxacephems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.