Antibacterial penem compounds
US5506225A · kind A · utility
3Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1993 |
| Grant date | Apr 9, 1996 |
| Priority date | — |
| Expiry date | Feb 19, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Antibiotic penem compounds are represented by the following formula: ##STR1## wherein R represents a physiological-hydrolyzable, ester-forming group. The physiologically hydrolyzable, ester-forming group useful in the penem compound of the present invention means a group which can be removed easily by in vivo hydrolysis, such as an acetyloxymethyl, 1-(acetyloxy)ethyl, pivaloyloxymethyl, 1-(ethoxycarbonyloxy)ethyl, 1-(isopropyloxycarbonyloxy)ethyl, 1-(cyclohexyloxycarbonyloxy)ethyl or 3-phthalidyl group. Antibiotic compositions for oral administration are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.