Penem compounds, and use thereof
US4997829A · kind A · utility
11Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1990 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Mar 9, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A penem compound represented by the general formula: ##STR1## (wherein R denotes hydrogen or allyl group, A denotes oxygen atom or methylene group and B denotes methylene, ethylene or carbonyl group) or a pharmacologically acceptable salt is produced through several processes. The compound exhibits stronger activities against wide variety of gram-positive and gram-negative bacteria as compared with known penem compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.