Fluoroquinolone carboxylic acid compounds and use thereof for the preparation of besifloxacin hydrochloride
US10167271B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Jan 28, 2016 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Jan 28, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to novel fluoroquinolone carboxylic acid compounds and derivatives of Formula-I, and their salts wherein, R represents H or halogen. The present invention also relates to the use of novel fluoroquinolone carboxylic acid compounds and derivatives of Formula-I for preparation of Besifloxacin hydrochloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.