Patent · US Expired

Quinolinecarboxylic acid derivatives, antibacterial agent containing the same

US5166203A · kind A · utility

4Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1991
Grant dateNov 24, 1992
Priority date
Expiry dateMay 12, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D519/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel quinolinecarboxylic acid derivatives of the formula: ##STR1## wherein Z is ##STR2## or ##STR3## in which R.sup.1 is hydrogen atom, a halogen atom, hydroxy or a lower alkyloxy; R.sup.2 is a halogen atom, hydroxy or a lower alkyloxy; R.sup.3 is a lower alkyl; and R.sup.4 is hydroxy or a di(lower alkyl)amino, and a pharmaceutically acceptable salt thereof, which have excellent antibacterial activities and are useful as an antibacterial agent, a pharmaceutical composition containing the same, and process for preparing the same.

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