Cephalosporin compounds and salts thereof
US4690921A · kind A · utility
15Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1984 |
| Grant date | Sep 1, 1987 |
| Priority date | — |
| Expiry date | Sep 28, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel cephalosporin compounds of the formula ##STR1## wherein the wavy line means syn-form and anti-form bonds, R.sup.1 represents a cyanomethyl group, a thiocarbamoylmethyl group or an aminothiazolylmethyl group, and A represents a unsubstituted or substituted pyridinio group; and salts thereof. These compounds have excellent antibacterial activities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.