Benzo[1,8]naphthyridine derivatives, their preparation and the compositions which contain them
US5004745A · kind A · utility
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5References
8Claims
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Key dates
| Filing date | Jan 16, 1990 |
| Grant date | Apr 2, 1991 |
| Priority date | — |
| Expiry date | Jan 16, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New benzo[b][1,8]naphthyridine derivatives of general formula (I) in which R.sub.1 is a hydrogen atom or an alkyl or hydroxyalkyl radical, R.sub.2 is a hydrogen atom or an alkyl, fluoroalkyl, cycloalkyl (3 to 6 C), alkoxy or alkylamino radical and R.sub.3 is alkyl, R.sub.4 and R.sub.5 are different and are hydrogen or alkyl, or R.sub.3 is H, alkyl or cycloalkyl and R.sub.4 and R.sub.5 are hydrogen, R.sub.6 is hydrogen or fluorine and n is equal to 1 or 2, their salts, their preparation and the compositions which contain them. These new products are used as antimicrobial agents ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.