Cephalosporin derivatives and bactericides containing the same
US4758557A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1986 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Jun 9, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Cephalosporin compounds represented by the following formula (I) and pharmaceutically acceptable salts thereof have a broad bactericidal spectrum against various pathogenic bacteria including Psuedomonas aeruginosa and are useful as bactericidal remedies for pathogenic diseases of human and animals: ##STR1## wherein A represents an unsubstituted or substituted pyridylthio group of a formula (I-1); ##STR2## or an unsubstituted or substituted pyridiniumthio group of a formula (I-2): ##STR3## or an unsubstituted or substituted pyridinium group of a formula (I-3); ##STR4## or a 5- or 6-membered heterocyclicthio or bicycloheterocyclicthio group of a formula (I-4): EQU --S--Het (I-4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.