Process for preparing quinolone and naphthyridone carboxylic acids
US6114531A · kind A · utility
1Cited by
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6Claims
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Key dates
| Filing date | Jun 2, 1999 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Jun 2, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Antibacterial quinolone carboxylic acids and naphthyridone carboxylic acids, having an external amino group attached to their 7-substituent are prepared without the use, and subsequent removal, of blocking groups on the external amino group. In a preferred embodiment, the naphthyridone carboxylic acid is the antibiotic trovafloxacin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.