Patent · US Expired

4-oxo-1,4-dihydro-3-quinolinecarboxamides as antiviral agents

US6248736A · kind A · utility

7Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 1999
Grant dateJun 19, 2001
Priority date
Expiry dateDec 17, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention provides a compound of formula I ##STR1## Wherein R.sup.1 is C.sub.1-7 alkyl, optionally substituted by hydroxy or NR.sup.4 R.sup.5 ; R.sup.2 is C.sub.1-7 alkyl substituted by hydroxy or NR.sup.4 R.sup.5 ; R.sup.3 is H, F or C.sub.1-7 alkoxy; R.sup.4 and R.sup.5 together with N are a 5- or 6-membered heterocyclic moiety having 1-3 heteroatoms selected from the group consisting of nitrogen, oxygen and sulfur in which sulfur may be substituted by one (1) or two (2) oxygen atoms; and pharmaceutically acceptable salts thereof Compounds of formula I of the present invention are useful as antiviral agents.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.