Cephem compounds having 3-bicyclic heterocyclic cation groups
US4590186A · kind A · utility
20Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1985 |
| Grant date | May 20, 1986 |
| Priority date | — |
| Expiry date | Jan 10, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to cephem compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is amino or protected amino, PA0 R.sup.2 is lower aliphatic hydrocarbon group, PA0 R.sup.3 is a group of the formula: ##STR2## wherein m is 0 and or 1, and PA0 n is 1 or 2, PA0 which may have a lower alkyl substituent at the N atom, and PA0 X is CH or N, and pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.