Heterocyclic spiro-derivative
US6469023B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1997 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | Aug 7, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides an antibacterial compound useful as medicines, animal drugs, fisheries drugs or antibacterial preservatives and to an antibacterial agent or preparation which contains the same, more particularly a compound which possesses high safety and excellent activity against a broad range of bacterial species including quinolone-resistant strains. A quinolone derivative of the following formula (I) which has a group derived from the heterocyclic spiro-compound at the 7-positioned R2 and the halogenocyclopropyl group at the N1-position, prefereably a compound of pure isomer, and an antibacterial agent containing the derivative compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.