2-oxa-isocephem compounds, compositions containing the same and processes for preparing the same
US4950662A · kind A · utility
3Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1988 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Oct 24, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D498/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is described a 2-oxa-isocephem compound of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.4 are as defined, and R.sup.3 is a group of the formula: ##STR2## wherein n, m, R.sup.6, R.sup.7, B.sup.- and l are as defined, or pharmaceutically acceptable salt thereof. The compound has antimicrobial activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.