Quinolinecarboxylic acid derivatives and salts thereof
US5668147A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1996 |
| Grant date | Sep 16, 1997 |
| Priority date | — |
| Expiry date | Apr 25, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Quinolinecarboxylic acid derivatives which are represented by the general formula (I) ##STR1## wherein R.sub.1 is a C.sub.1 to C.sub.6 alkyl group which may be substituted, a C.sub.2 to C.sub.6 alkenyl group which may be substituted, a C.sub.3 to C.sub.7 cycloalkyl group which my be substituted or an aryl group which may be substituted, PA1 R.sub.2 is hydrogen atom; a halogen atom; hydroxyl group which may be protected, amino group or a C.sub.1 to C.sub.6 alkylamino group each of which may be protected; a C.sub.1 to C.sub.6 dialkylamino group or a C.sub.1 to C.sub.6 alkyl group, PA1 R.sub.3 is hydrogen atom or a C.sub.1 to C.sub.6 alkyl group, PA1 A is nitrogen atom or ##STR2## wherein A' is hydrogen atom. a halogen atom, a C.sub.1 to C.sub.6 alkyl group, a C.sub.1 to C.sub.6 alkoxyl group which may be substituted, cyano group, or nitro group, and A' may form a ring with R.sub.1 ; the ring may include oxygen atom, nitrogen atom, or sulfur atom as a constituent atom; the ring may be substituted with a C.sub.1 to C.sub.6 alkyl group, PA1 X is hydroxymethyl group; aminomethyl group or amino group each of which may be protected, and salts thereof, and antibacterial agents which compris…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.