Antibacterial penem esters derivatives
US5830889A · kind A · utility
12Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1993 |
| Grant date | Nov 3, 1998 |
| 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 group of the general formula: ##STR2## in which R.sub.1 is a linear or branched C.sub.1 -C.sub.6 alkyl group, R.sub.2 is a particular substituted or unsubstituted alkyl, aryl or aralkyl group, n is an integer of 1-6, Y is a 5- or 6-membered heterocyclic aliphatic group having 1 or 2 oxygen atoms in the ring thereof, and Z is a specific 5-substituted 2-oxo-1,3-dioxolen-4-yl group. Antibiotic compositions for oral administration are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.