Process for preparing trovafloxacin acid salts
US6359137B1 · kind B1 · utility
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21Claims
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Key dates
| Filing date | Aug 26, 1999 |
| Grant date | Mar 19, 2002 |
| Priority date | — |
| Expiry date | Aug 26, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Trovafloxacin acid salts are prepared via the hydrolysis of imine intermediates using mineral acid including, but not limited to, methanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid, nitric acid, sulfuric acid, phosphoric acid, hydrochloric acid, hydrobromic acid, tartaric acid, citric acid, acetic acid, and maleic acid. Trovafloxacin acid salts are useful as antibiotic agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.