Patent · US Expired

4-oxoquinoline-3-carboxylic acid derivatives and their use

US5348961A · kind A · utility

18Cited by
0References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 1990
Grant dateSep 20, 1994
Priority date
Expiry dateOct 9, 2010

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.