2-oxa-isocephem compounds
US5037976A · kind A · utility
2Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1989 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Nov 1, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D498/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A 2-oxa-isocephem compound of the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined, pharmaceutically acceptable salts thereof, composition containing the same and processes for preparing the same are disclosed. The compound is useful as an antimicrobial agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.