Quinolonecarboxylic acid derivatives or salts thereof
US6025370A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1998 |
| Grant date | Feb 15, 2000 |
| Priority date | — |
| Expiry date | Aug 10, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F5/025
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a quinolone-carboxylic acid derivative represented by the general formula [1], or its salt: ##STR1## Of the compounds of the present invention, preferable are compounds in which R.sup.2 represents a substituted or unsubstituted cycloalkyl group; R.sup.3 represents at least one member selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl or lower alkoxy group, and a protected or unprotected hydroxyl or amino group; R.sup.4 represents a hydrogen atom or a substituted or unsubstituted lower alkyl group; each of R.sup.5 and R.sup.6 represents a hydrogen atom; and A represents C--Y in which Y represents a halogen atom, a lower alkyl or lower alkoxy group which may be substituted by one or more halogen atoms, or a protected or unprotected hydroxyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.