4-oxoquinolizine antimicrobial having 2-pyridone skeleton as partial structure
US6525066B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2002 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Apr 18, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound represented by the following Formula (I) or a pharmaceutically acceptable salt thereof: whereinR1 represents a hydrogen atom or a carboxyl-protecting group,R2 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a hydroxyl group,R3 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a nitro group, a cyano group, a hydroxyl group or an amino group;R4 represents a hydrogen atom, an amino-protecting group, an alkyl group or a cycloalkyl group, andR5 represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an alkoxy group, an alkylthio group, a hydroxyl group, an imino group or an amino group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.