4-oxoquinoline-3-carboxylic acid derivatives and their use
US5073556A · kind A · utility
6Cited by
4References
14Claims
0Family size
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Key dates
| Filing date | Feb 22, 1991 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Feb 22, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula (I): ##STR1## (in which: R.sup.1 represents fluorinated methoxy; R.sup.2 represents a nitrogen-containing heterocyclic group and R.sup.3 represents hydrogen or amino) and pharmaceutically acceptable salts, esters and amides thereof are valuable antibacterial agents, which may be prepared by reacting a compound similar to that of formula (I) but in which R.sup.2 is replaced by a halogen atom with a compound providing the required group R.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.