Patent · US Expired

Thiazolo(5,4-f)quinoline-8-carboxylic acid derivatives

US4054568A · kind A · utility

0Cited by
5References
3Claims
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Assignee

Inventors

Key dates

Filing dateFeb 25, 1976
Grant dateOct 18, 1977
Priority date
Expiry dateFeb 25, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D513/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Thiazolo[5,4-f]quinoline-8-carboxylic acid derivatives having either the general formula (I): ##STR1## wherein R.sub.1 is a lower alkyl group, a lower alkenyl group or a benzyl group; or the general formula (III-a): ##STR2## WHEREIN R.sub.3 is a lower alkyl group and X is a halogen atom; and methods for the preparation thereof. The compounds of the general formula (I) are useful as antibacterial agents against gram-negative and gram-positive bacteria. The compounds of the general formula (III-a) are useful as antifungal agents against eumycetes and also as an intermediate in a peparation of the compounds of the general formula (I).

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