4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and antibacterial agents containing the same
US4698352A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1983 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Oct 27, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a novel 4-oxo-1,4-dihydronicotinic acid derivative ##STR1## or a salt thereof, wherein R.sup.1 is hydrogen or carboxyl-protecting group; PA1 R.sup.2 is substituted phenyl and naphthyl, or a substituted or unsubstituted heterocyclic group; and PA1 R.sup.3 is haloalkyl, aminoalkyl, or substituted or unsubstituted alkenyl, phenylalkenyl, naphthylalkenyl, phenylalkyl, naphthylalkyl, phenylalkynyl, naphthylalkynyl, heterocyclic alkyl, heterocyclic alkenyl, phenyl, naphthyl, cycloalkyl, cycloalkenyl, carboxylic acyl, iminoalkyl, heterocyclic or bridged hydrocarbon, which has a broad antibacterial spectrum and a low toxicity, and are useful for treatment of diseases of human beings and animals, to a process for producing the same and to an antibacterial agent containing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.